2G is a frequency division output. A few of the users on the forum asked if there was a set of routines for the Proton BASIC compiler that performed the interface. This is a wideband synthesizer with integrated VCO which allows implementation of fractional-N or integer-N phase-locked loop ( PLL ) frequency synthesizers when used with an external loop filter and external reference frequency. 0 is available. 5V - Standby current: " key, used for continuous plus continuous subtraction scan mode for easy adjustment, cycle selection step "1K", "10K", "100K. 4G Generatore di segnale RF ADF4351 Generatore di frequenza Sweep STM32 MCU PLL sono su eBay Confronta prezzi e caratteristiche di prodotti nuovi e usati Molti articoli con consegna gratis!. 35, buy best m5stack® base15 pro to industrial board module m-bus extension plastic enclosure board sale online store at wholesale price. Adf4351: Traditional VCO + PLL + 6 series high speed bistable circuit. (WinXP supported by older versions of SynthNV software. A double. I'm a software radio freak. 3V within the board. In the module we find also the power system made of LDO regulators, the loop filter, the active crystal oscillator of 25 MHz as a reference source, the SPI serial […]. The kernel-repo is on branch 2014_R2 and the hdl-repo is on branch hdl_2014_r2. Windows will detect the evaluation board and install the drivers. For package or track & trace shipping please inform me in the last step of the ordering information, there is a remark field. In this tutorial we will learn how to use mDNS to resolve the address of a HTTP web server hosted by the ESP32. A bit of theory. Send 0x8f+"v" The answer should be in hex: 77; Where the returned byte is the firmware version, 0x77 = 119 = 'w'. ESP32: mDNS address resolution. 4GHz software tunable RF signal generator controlled and powered by a PC running Windows 7 SP1 to Windows 10 via its USB port. Electrical Schematic ADE-35+ Features • low conversion loss, 6. com, verify emailbox. Man finder moduler ved at søge på: [ADF4351 35M-4. Open-Electronics. erormance and alit attrites and conditions not epressl stated in this specification docment are intended to e eclded and do not orm a part o this specification docment B. The output enable of the ADC is generated by and'ing together the BBB system reset line with a gpio line. The ADC needs 8 data pins and a clock pin, and the DAC the same. So it needs 18 pins plus GND and 5v. 091 kHz Internal Ref Tuned Internal Phase Det RMS Jitter 0. After configuring the registers properly, it was operating well. This work has concentrated on the “black” PCBs labelled NWDZ. Precisely what I was looking for except the price was a little prohibitive in the development board format from AD ($250. This filter only needs to be a simple low pass filter to remove the third harmonic and no filtering is required on 23cms. But also works well at 50MHz! With help from the schematic of the VHF packer I build the 6 meter RF amplifier. PCB board has beautiful appearance, reasonable layout and design, standard materials. This product operation keyboard has 15 ppt keys, 0~9 number keys, 10, "++" and "--" keys to adjust the frequency to use, also produces emission output behavior, short press "++" or "-- ”Key stepping adds 1khz or minus 1khz to the original. I have the Alinx AN108 AD/DA device I bought from AliExpress working in a trivial way with Blackice II. Introduction. The output frequency range: 138M-4. Naturally, the first step was to build it into a breakout board and get to know the chip. All control pins are leaded out for convenient operation. adf4351 clk 1 data 2 le 3 ce 4 sw 5 vp 6 cpout 7 cpgnd 8 agnd 9 avdd 10 vvco1 16 vvco2 17 agndvco1 11 rfouta-13 rfouta+ 12 vtune 20 dgnd 27 muxout 30 rfoutb+ 14 rfoutb-15 dvdd 28 sdgnd 31 sdvdd 32 refin 29 temp 19 agndvco2 18 agndvco3 21 rset 22 vref 24 vcomm 23 ld 25 pdbrf gnd_pad 26 33 l2 0603cs-22n r14 1800 c17 10n c8 10n c45 100pf. com) Board pinout (stm32duino. 5nH 2000 to 4400MHz 3. 4G STM32 with TFT Touch LCD $92. This is a wideband synthesizer with integrated VCO which allows implementation of fractional-N or integer-N phase-locked loop Power Supplies schematic. This product operation keyboard has 15 ppt keys, 0~9 number keys, 10, "++" and "--" keys to adjust the frequency to use, also produces emission output behavior, short press "++" or "-- "Key stepping adds 1khz or minus 1khz to the original frequency. 1 Set Signal Generator Module 35M-4. Der ADF4351 verträgt nur 3,3Volt Pegel. 4G + STM32 TFT Touch LCD. The output enable of the ADC is generated by and'ing together the BBB system reset line with a gpio line. Baud 57600, 8n1 The protocol is binary serial based. Send 0x8f+"v" The answer should be in hex: 77; Where the returned byte is the firmware version, 0x77 = 119 = 'w'. I create 2 different channel created by placing 2 Sheet Symbols (let's say "SheetA" and "SheetB"), that both reference the same schematic, "Schematich. Send 0x8f+"v" The answer should be in hex: 77; Where the returned byte is the firmware version, 0x77 = 119 = 'w'. Generating Fpfd from the RFin (the xtal 10MHz). A Mini SDR Receiver Using An Audio DSP. Re: ADF4350 & ADF4351 based Oled RF Source Generators « Reply #17 on: January 19, 2019, 05:41:57 pm » Wow, I didn't expect half a ppm for the ADF4350 gen. It is not necessary to justify how important a radio signal meter is for a radioamateur, especially when entering the frequency ranges above 1 GHz. Building a radio with M2K and spare parts 17 September 2019 1 ©2019 Analog Devices, Inc. Great for use with QRP rig (817, flex 1500,…. 3V; Charge pump and VCO power supplies: 5V typical (ADF4356) Logic compatibility: 1. Instead, it's designed to. • AnalogDevices ADF4350, ADF4351 - 35 MHz to 4. If the former, omit the pin numbers for d0 to d3 and leave those lines unconnected. 4G RF Signal Generator PLL Sweep Frequency Generator ADF4351 with Touch Screen + USB Cable. Stm32f103 Registers. - Output Frequency Range: ADF4351: 35M-4. When I first heard about the Analog Devices ADF4350, a PLL+VCO that can tune between 137. Download Arduino VFO. Pre-amp to Electret Mic! By lukas_tek in Circuits Electronics. ADF4351 Datasheet(PDF) 1 Page - Analog Devices: Part No. schematic of the board connected to ADF4351 Module is give as , you can download High resolution PDF from github Firmware As Device is HID Raw class so there no need to supply any specific driver to windows , all the support is already available in almost all the different OS platform. The output is obtained by frequency division, and the output is a square wave. schematics. By using an Arduino uno R3 and an AD 9850 or AD9851 DDS module a very stable VFO can be created to add a VFO to any crystal locked radio or to replace the VFO in an older VFO controlled radio that suffers from drift or add an external VFO. The EVAL-ADF4350EB1Z is designed to evaluate the performance of the ADF4350 frequency synthesizer. Using 1/2/4/8/16 frequency division circuit, can produce RF output frequency as low as 35M-4. Tento obvod funguje od 35 MHz do 4. Normal shipping is free worldwide. I2C wire arduino function tested with TSA5511, Arduino nano & Z-comm VCO V110PC01 (85-145MHz @12V)…. LF/MF/HF/VHF transverter $ 250. ) Sigrok GUI frontend is called PulseView and this is application that we'll be using. The ADF4351 has an integrated voltage controlled oscillator (VCO) with a fundamental frequency range of 2200 MHz to 4400 MHz. Fractional-N PLL IC with Integrated VCO. Legal Disclaimer Notice of proprietary information, Disclaimers and Exclusions Of Warranties The ADI Presentation is the property of ADI. Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. This was a prime suspect as a source of noise. A "Black" eBay ADF4351 board typically gives -0. Schema circuitale in PDF. Mute function can be controlled either by pin or software. J1 is the ISP connector, and J2 for connection to the target. Justins Diy and Reviews 9,085,244 views. GPSDO --> Patch antenna in 1m dia. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result f rom its use. January 2017, summer holiday season down-under, afforded time to build something I've been wanting to build for several years, my first Digital VFO. ADF4351 MODULE STM32 Sweep RF Signal Source TFT Color Touch Screen 35M-4. To explain the concept, here is the a signal captured with different RBW values:. To have the board working with PulseView we need the correct Windows driver - I downloaded it from here. 5 MHz RF output frequency. This work has concentrated on the “black” PCBs labelled NWDZ. DFR0374 LCD Keypad Shield V2. For example-. We recommend tying pin 3 to pin 4 with a small capacitor to GND to set bias for CLKIN0. For my use I modified it to use a rotary encoder, TFT touch display,. Figure 19 shows the MUXOUT section in block diagram form. phase-locked loop (PLL) frequency synthesizers when used with. ADF4350 går til 137 MHz, mens ADF4351 går ned til 35 MHz. ADF4351 is from 35 MHz to 4400 MHz. Adf4351 35m44g rf signal generator pll sweep frequency generator touch screen brand new 4211 from china buy it now free shipping audio rf signal generator frequency counter 10hz 1 mhz lodestar ag2603ad brand new 34995 buy it now 15 product ratings hot 110v high frequency signal generator rf radio 100khz 150mhz. Phase Noise • Two possible solutions. si/2016/01/15/pll-adf4351-prototyping-single-sided-board/ for software, PCB and schematics. A DBM, a low noise audio amplifier, and a good soundcard does the work. ESP32: mDNS address resolution. 4G (ADF4351) ,137M-4. In the module we find also the power system made of LDO regulators, the loop filter, the active crystal oscillator of 25 MHz as a reference source, the SPI serial […]. It can be controlled by the upper computer official software. 2 V, so it is a little low. A Mini SDR Receiver Using An Audio DSP. For applications that require isolation, RF output stage can be muted. V2 schematics We can easily recognize the RA4NAL scheme, the Arduino UNO was replaced by a NANO facilitating the integration of the USB connection. The shape may look familiar, but this board is actually NOT an Arduino shield. 00 The XB-200 is a block up-down converter that greatly expands the bladeRF’s usable frequency range down, making the platform suitable for HF/VHF applications. This project is a wideband signal generator for frequencies from 35 MHz to 4. The chip is a wideband (35 MHz to 4. This work has concentrated on the “black” PCBs labelled NWDZ. The data sheet says "featuring low current noise" and then never says what it is. Designing an anti-aliasing filter for ADCs in the frequency domain Introduction Data acquisition (DAQ) systems are found across numer-ous applications where there is an interest to digitize a real-world signal. The 5 V power supply should be connected to the clip leads labeled VPOS and GND. Especially if you intend to use digital modes, such as WSJT. Connects to PICkit 2 via 0. Here's a block diagram of the ADF4351 with the register names (e. When combined with an external reference oscillator and loop filter, the MAX2. 3)Adf4351: Traditional VCO+PLL+6 series high speed bistable circuit. Integrated Software Defined Radio Reference Designs and Systems Applications Robin Getz, Title, Location 2. Adf4351: Traditional VCO + PLL + 6 series high speed bistable circuit. Re: ADF4350 & ADF4351 based Oled RF Source Generators « Reply #17 on: January 19, 2019, 05:41:57 pm » Wow, I didn't expect half a ppm for the ADF4350 gen. Welcome to DF9NP`s HAM PLL Webside ! I am QRV on 2m , 70cm and 23cm focused on DX and weak signal. - Output Frequency Range: ADF4351: 35M-4. These new transaction functions prevent SPI bus conflicts, so their use it recommended for all new projects. 5nH PULL-UP INDUCTORS Circuit Note CN-0239 The power consumed by the circuit depends on the frequency of operation and the bias point of the mixer. LCD Keypad Shield For Arduino; Analog Linear Temperature Sensor; Function Explanation. But the DCF module was not a big success. Analog Devices UG-435 User Manual. No need in practice to keep sending the values so you could write once then sleep. 02 Specifications: - Supply voltage: DC 4. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. 1 GHz HB3: 4. 40 thoughts on " $40 Antenna Analyzer With Arduino And AD9850 You could use ADF4351 as 35MHz-4. Der ADF4351 verträgt nur 3,3Volt Pegel. It was designed to be used as a bench or RF laboratory test equipment to provide a very wideband, and stable, and user controllable frequency reference source, suitible for use in RF circuit. Pre-amp to Electret Mic! By lukas_tek in Circuits Electronics. EngineerZone: Message List. The chip is a wideband (35 MHz to 4. Wideband Synthesizer. The attached schematic shows a simple 432 to 2400 Mhz Up-converter suitable for UO-100. Further, with the frequency dividing circuit 1/2/4/8/16, the user can generate low 35Mhz / 137. documentation > hardware > raspberrypi > bootmodes Raspberry Pi boot modes Introduction. 5mm Barrel Jack 5V DC Cable Plug. 4G + STM32 TFT Touch LCD Feature: - ADF4531 module is a senior engineer to build, fully refer to the official version of the design;PCB and beautiful appearance, reasonable layout and design, materials standards;. Stm32f103 Registers. Together with a small PA i was capable of making a transmission on the QO-100. I currently get the 5v from the Arduino header. 4G (ADF4351). 4 GHz ) Phase-Locked Loop (PLL) and Voltage Controlled Oscillator (VCO), covering a very wide range frequency range under digital control. After reading a Radcom article about a 10MHz locked ADF4351 Arduino controlled signal generator thanks to Alain Fort F1CJN described here, it seemed the perfect module for testing equipment locally as I didn't have anything like this. 3v, so, don’t need). 4GHz RF Signal Source Frequency Synthesizer ADF4351 Development Board COD Brand: Geekcreit 4. Welcome to VMA's Satellite Blog! Read about terrestrial, cable and satellite TV, both analog and digital. : adf4351 product(s): ad8342 hw type : customer evaluation no_template c 1:1 codeid 02_038631 tbd gio r. The schematic for the OCXO and keyer are shown here. - Output Frequency Range: ADF4351: 35M-4. The schematic for the OCXO and keyer are shown here. August 31, 2016. Great for use with QRP rig (817, flex 1500,…. de Bereits in [1] hatte ich mich ausführlich mit den preiswert aus China erhältlichen ADF4350/ADF4351-Boards beschäftigt. The ADF4351 modules I have are here and this one by SV1AFN. Attached screenshots are from the WSJT software, commonly used for VHF EME. The output is obtained by frequency division, and the output is a square wave. Forskellen ligger i den laveste frekvens IC’en kan give. People who recently made QSO with me (Hi Remco!) have probably noticed the same behavior - there are some very polite people on QO100 who did not comment to me when they needed to adjust the RIT more than 500Hz over one QSO. Radio frequency RF mixer circuits, schematics or diagrams. The toggle switch is for selecting RIT. 2G fundamental divide (square wave) 137MHz--2. Moon was high, elevation angle between approx. ADF4351 RF Signalquelle Entwicklungsboard 35M-4. 5kOhm differential. The tests from this tutorial were done using a DFRobot's. DDS signal with variable amplitude and offset. The UG-435 also contains the board setup instructions, and the board schematic, layout, and bill of materials. We offer competitive pricing. 5GHz "WiFi" Grid antenna test. A cheap, flexible, and agile radio module designed for low power, low bandwidth applications. All functions can be realized, including point frequency, sweep frequency and frequency hopping. I would like to use the ADF4351 as clock for the AD9914. Baud 57600, 8n1 The protocol is binary serial based. EngineerZone: Message List. Find many great new & used options and get the best deals for 35MHz-4000MHz RF Signal Generator Signal Source ADF4351 VFO HXY D6 V1. A few of the users on the forum asked if there was a set of routines for the Proton BASIC compiler that performed the interface. 4G(ADF4350). Figure 5-21 PLL FM transmitter schematic. Integrated Software Defined Radio Reference Designs and Systems Applications Robin Getz, Title, Location 2. Sorry if my post is in the wrong subforum. Schematic_Gen-ADF4351-OLED-by-Boris_Sheet-1_20190404090037. 1000 Threads found on edaboard. Altium Designer原理图转为PADS 1. Beacon Keyers category is a curation of 42 web resources on , Build a 10 Meter Beacon, OZ2M - Next generation beacon, Arduino Beacon. It is capable of generating signals between 35 MHz to 4400 MHz with a very low jitter of typical 0. com: Orcad Symbol Library Schematic circuit plot from Cadence Virtuoso Hello, I am trying to print my circuit schematic view, the circuit is not that big, its like fully differential amplifier with biasing circuit. The circuit shown in interfaces the ADF4351 integrated phase-locked loop (PLL) and voltage-controlled oscillator (VCO) to the ADCLK948, which provides up to eight low voltage differential signaling (LVDS) outputs from one differential output of the IDT 8SLVD1208-33. com! Total file: 356 Today uploads: 382 Registered: 688 Today registered: 1112 (reset password please email to [email protected] Re: ADF4350 & ADF4351 based Oled RF Source Generators « Reply #17 on: January 19, 2019, 05:41:57 pm » Wow, I didn't expect half a ppm for the ADF4350 gen. TP4056 battery charge manager. In the test setup below, you can see the a short loop of thin hardline coax connecting the “reference” signal, from the generator (ADF4351) at the top, to the measuring board (AD8302) below. Collection of articles / links for the ADF series: ADF 5355. undefined symbol - Schematic circuit plot from Cadence Virtuoso - Why does. Circuit diagram of the ADF5355 dev board available on ebay File:_ADF5355_schematic. Schema circuitale in PDF. 1000 Threads found on edaboard. Adf4351: Traditional VCO + PLL + 6 series high speed bistable circuit. 4G + STM32 TFT Touch LCD Feature: - ADF4531 module is a senior engineer to build, fully refer to the official version of the design;PCB and beautiful appearance, reasonable layout and design, materials standards;. 6m Transverter and 30W Amplifier vhf_packer_6m_amp Because my activities on 23cm are very low, I replaced my Diamond X5000- (23cm/70cm/2m) by a V2000 (70cm/6m/2m) vertical antenna in the expectation that 6 meters is more something for me…. 4 from 2019-09-14) Fig 1. Since writing the Scatterpoint article further investigation of the ADF5355 Board and an ADF4351 board has be carried out. If only one port of a differential pair is used, terminate the other with a 50 Ω load. during the experiment. In the signal path schematic consist of LC filter Low pass filter cutoff frequency of filter is not exactly 10Mhz but some where around 10. When frequency is high enough the reflections of the waves start to matter and distributed effects need to be taken into account. He set it up to use with an LCD and 4 button controller. In this way, no loading of the REFIN pinoccurs during power-down. 1 GHz HB3: 4. This kind of worked (with "on-off keying" the driver stage, a SKY65162), but the loop filter on the ADF4351 was far from being optimal (actually, what was populated on the board didn't have much in common with the component values shown in the schematics). April 12, 2017. Chinese Microwave Synthesiser PCBs Using ADF4351 and the ADF5355 Brian Flynn GM8BJF. 4G RF Signal Generator PLL Sweep Frequency Generator ADF4351 with Touch Screen + USB Cable. 2 MHz output. That code is also downloadable at the bottom of this page. RADIO DIAGRAM SCHEMATICS 1926-1969 MOST OFTEN NEEDED DIGITAL COLLECTION. This work has concentrated on the “black” PCBs labelled NWDZ. 1, the output frequency range: ADF4351: 35M-4. I guess you could probably use an ADF4351 frac-N synth with 10MHz comparison frequency, to synthesise 2. 48832GHz from the first frac-N PLL and then use an integer-N PLL to. 4GHz (instead of the ADF4350 with 138MHz-4. Most Viewed Posts. The display can be controlled using 4 or 8 data lines. 5nH PULL-UP INDUCTORS Circuit Note CN-0239 The power consumed by the circuit depends on the frequency of operation and the bias point of the mixer. - Default ±50ppm 25M imported active crystal oscillator. 4G, also control the ADF5355 For isolation applications, the RF output level can mute. 0 3 R6 150R (150 Ω) – Brown Green Brown R7 39R (39 Ω) – Orange White Black R8 150R (150 Ω) – Brown Green Brown Then install and solder the Diode (D1) and the two axial inductors (L1 and L2). 3 Ohm resistor is used for R1. Arduino Library for the ADF4351 Wideband Frequency Synthesizer chip. This command can take many forms. I would like to use the ADF4351 as clock for the AD9914. 0%) 3 Star 0 (0. Cheap adf4351 development board, Buy Directly from China Suppliers:35Mhz to 4. 求助:fpga 基于dds信号发生器产生正弦,方波,锯齿波. adf4351中文数据手册. Most Viewed Posts. New push-and-shove. I set up the analog input on the keyer so that it outputs a code in the range 0 to 255, allowing the 24V line to be monitored remotely. Switch S1 is used to power the ADF4351 from the external dc connectors USB port and Switch S2 to power from the. The ADF4351 is an RF frequency synthesizer capable of producing tones from 37MHz to 4. Numbers are printed using an ASCII character for each digit. average out of 5 5 Star 2 (100. Synthesizer board The first local oscillator signal is provided by an Analog Devices ADF4351. Le migliori offerte per 35M-4. 5 dBm when set to output level 3 at 146 MHz, so the input level to the modulator is -2 dBm, which is the recommended level. The CY7C68013A EZ-USB FX2LP is a development board designed with the Cypress EZ-USB FX2LP microcontroller. 其他 stm32在一个工程里面同时实现dds信号源输出和ad采集功能. ADF4351allows implementation of fractional -N or integer -N phase-locked loop (PLL) frequency synthesizers when used with an external loop filter and external reference frequency. Output Frequency Range: ADF4351: 35M-4. My test was done with the ADF4351 SV1AFN Board, DONT FORGET TO INSERT A LEVEL SHIFTER BETWEEN ARDUINO AND ADF4351 BOARD, (for my test i have used Arduino NANO @8Mhz 3. I have picked Henrik Forsten's home made VNA design with MAX2871 as a circuit reference, modified the schematics and routed to my needs. 4G fundamental wave (sine wave) 35M-2. Alphanumeric LCD Module Interfacing. Thanks for sharing the info. 0 DFR0387 TELEMATICS 3. The Windfreak SynthUSBII is a 34. - Default ±50ppm 25M imported active crystal oscillator. UPDATE 8/12/17: Bug with 10Mhz Step size is fixed. I have the Alinx AN108 AD/DA device I bought from AliExpress working in a trivial way with Blackice II. 2019, 22:24 ADF4351 is very interesting PLL chip with many features. The right hand filter is for 437 MHz. In-circuit programming of the controller is provided. 4G RF Signal Generator PLL Sweep Frequency Generator ADF4351 with Touch Screen + USB Cable. The schematic diagrams of these boards are here [3, 4]. ADL5375-05-EVALZ is a fully populated, 4-layer, FR4-based evaluation board. The chip is a wideband (35 MHz to 4. A varactor diode may be incorporated into the tank circuit to provide a voltage variable input for the oscillator (VCO). 程序员的一站式服务平台 资料总数:356万 今日上传:17 注册人数:688万 今日注册:61. Together with a small PA i was capable of making a transmission on the QO-100. 4G fundamental wave (sine wave) 35M-2. The shape may look familiar, but this board is actually NOT an Arduino shield. To explain the concept, here is the a signal captured with different RBW values:. ADF4351 R2 CP C1 C2 VCO C3 R1 In low noise mode (dither disabled) the quantization noise from the Σ-Δ modulator appears as fractional spurs. The UG-435 also contains the board setup instructions, and the board schematic, layout, and bill of materials. ) Extras tab. Priser fra ca. Feature: - ADF4531 module is a senior engineer to build, fully refer to the official version of the design;PCB and beautiful appearance, reasonable layout and design, materials standards;. 5 inches (38. How hard is it to create a synthesizer to generate frequencies between 35 MHz to 4. Order Now! Development Boards, Kits, Programmers ship same day. A Mini SDR Receiver Using An Audio DSP. A free online environment where users can create, edit, and share electrical schematics, or convert between popular file formats like Eagle, Altium, and OrCAD. The frequency output below 2. " ADF4351 35M-4. I've built a kit Digital VFO with pre-soldered surface mount parts and burned-in firmware, but this was to be a scratch build with Arduino Nano, C code with modifications, and a Silicon Labs…. The IDT8SLVD1208-33I is characterized to operate from a 3. LO PLL USB MAX2871 ADF4350 ADF4351. 0 INPUT SHIFT REGISTERS The ADF4351 digital section. The ADF4351 from Analog Devices (ADI) is a modern wideband PLL synthesizer with integrated low phase noise VCO. Delicated high speed (HS) signal output up to 8MHz. 4 GHz and 812 kHz of bandwidth, perfect for long range wireless sensors. The output is obtained by frequency division, and the output is a square wave. For a good stability, the clock reference come from a OCXO @10Mhz, particular attention will be carried on power supply, with the employ of low drop, low noise regulator. The only significant RF difference from the ADF4351 datasheet is that the RF power is up to +19dBm settable in 1/2dB steps via the Hittite HMC625LP5 chip [5]. The Gilbert cell is a differential amplifier (IN_A and IN_B pins) that drives a balanced switching cell. Figure 10 - PROTOTYPE CONNECTIONS. Download Favorite. The programming interface to the Si570 oscillator module is “clock and data” at 3v3 logic level dir ectly compatible with the chosen PIC16F688. A bit of theory. - Default ±50ppm 25M imported active crystal oscillator. Vector network analyzer (VNA) are used to measure scattering parameters of high frequency circuits. The amplitude of the fundamental wave does not change much. 4G + STM32 TFT Touch LCD Feature: - ADF4531 module is a senior engineer to build, fully refer to the official version of the design;PCB and beautiful appearance, reasonable layout and design, materials standards; - The output frequency range: 35 m - 4. Send 0x8f+"v" The answer should be in hex: 77; Where the returned byte is the firmware version, 0x77 = 119 = 'w'. In this tutorial we will learn how to use mDNS to resolve the address of a HTTP web server hosted by the ESP32. The ADF4351 has an integrated voltage controlled oscillator (VCO) with a fundamental output frequency ranging from 2200 MHz to 4400 MHz. 4GHz RF Signal Source Frequency Synthesizer ADF4351 Development Board. 4G RF Signal Generator PLL Sweep Frequency Generator ADF4351 with Touch Screen + USB Cable. Circuit diagram of the ADF5355 dev board available on ebay File:_ADF5355_schematic. LO PLL USB MAX2871 ADF4350 ADF4351. 4 GHz ) Phase-Locked Loop (PLL) and Voltage Controlled Oscillator (VCO), covering a very wide range frequency range under digital control. So I loaded up EAGLE, cranked out a design, and sent it through Laen's four-layer PCB order. #define ADF4351_INT_F1 92 #define ADF4351_FRAC_F1 203 #define ADF4351_MODULUS_F1 1250. 0%) 2 Star 2. 10 product ratings 10 product ratings - 35MHz-4000MHz RF Signal Generator Signal Source ADF4351 VFO HXY D6 V1. SHEET OF REV. The industrial I/O subsystem provides a unified framework for drivers for many different types of converters and sensors using a number of different physical interfaces (i2c, spi, etc). ) Extras tab. The schematics will be posted soon, at the same time as the launch on taobao, 3. When ordering some other PCB from OSH Park, I saw your ADF4351 synthesizer board. com) STM32F103C8T6 board (developer. 2 V, so it is a little low. Product Details. A cheap, flexible, and agile radio module designed for low power, low bandwidth applications. cost's for this can differ per country or region. 4G, ADF4350 137M-4. Schematic, PCB assembly drawings and bill of materials is in this PDF: adf4351-proto Single sided PCB can be manufactured with your favourite toner transfer technology. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit Feather 32u4 RFM95 LoRa Radio- 868 or 915 MHz [RadioFruit] ID: 3078 - This is the Adafruit Feather 32u4 LoRa Radio (RFM9x). ADF4351 Signal Source VFO 35-4000MHz Digital LCD Display USB DIY Tools S. It is capable of generating signals between 35 MHz to 4400 MHz with a very low jitter of typical 0. PLL ADF4351 jako LO - Na eBay nebo Aliexpress je možné koupit velmi levné vývojové desky s PLL od Analog Devices ADF4351. pdf (Rozmiar: 46. The AD4351 is a version of the evaluation board from SV1AFN - and it gets its reference from my 10MHz shack frequency reference. 5MHZ-6GHZ PLL Core Board + Control Board for Signal Generator Frequency Source. This project was started because Oscillators are important components for OMs still building their own equipment like transverters or Tracking Generators. Wideband Synthesizer. To go with it, I have produced a USB interface and a GUI for Windows - myVNA, but the N2PK is a group effort. ADF4351 is powered. All control pins are leaded out for convenient operation. Testing has shown that, due to the square wave output of the ADF4351, filtering is needed between the output of the ADF4351 module and the modulator board LO input when used on 146 and 437 MHz. 3V power supply. - Output Frequency Range: ADF4351: 35M-4. A free online environment where users can create, edit, and share electrical schematics, or convert between popular file formats like Eagle, Altium, and OrCAD. Importing and Exporting Schematic and Layout Designs. 21ic 下载站 - 下载积分3分 [ 活动礼品] 商品介绍:观看《车载信息娱乐系统发展趋势及深度技术解析》1门课程的全部视频,即可使用学习积分兑换此商品. This is a wideband synthesizer with integrated VCO which allows implementation of fractional-N or integer-N phase-locked loop ( PLL ) frequency synthesizers when used with an external loop filter and external reference frequency. has to send the signal at the frequency set for the LC com-ponent. 4G Signal Source Phase Locked Loop $34. This is a wideband synthesizer with integrated VCO which allows implementation of fractional-N or integer-N phase-locked loop Power Supplies schematic. 2G is a frequency division output. A contact located in China indicated that the schematics are available now but only via private request. The output enable of the ADC is generated by and'ing together the BBB system reset line with a gpio line. For a good stability, the clock reference come from a OCXO @10Mhz, particular attention will be carried on power supply, with the employ of low drop, low noise regulator. 15 $ og opefter. 2020-06-17 07:11:05. Wideband Synthesizer, ADF4351 datasheet, ADF4351 circuit, ADF4351 data sheet : AD, alldatasheet, datasheet, Datasheet search site for Electronic Components and. There are essentially three parts to the diagram. 1000 Threads found on edaboard. Four LP2992 regulators are used as voltage stabilizers. This guide describes the CY3684 EZ-USB FX2LP Development Kit (DVK),This guide is also applicable to the CY3674 DVK that contains the Cypress FX1 chip. ADF4351 module one. With this schematic i should have an impedance of 100Ohm differential and the input impedance of the AD9914 is 2. 4GHz RF Signal Source Frequency Synthesizer ADF4351 Development Board COD Brand: Geekcreit 4. A bit of theory. g register2, position 25 on 32bit word). Click Next/Continue/Finish when asked. So that would need a triple Pmod. Circuit diagram in PDF format and STM32 test program are provided. SOLD - For Sale or Trade Palomar 300a 40m-20m-15m-10m 450 watt amplifier In the near future I'll be posting on Arduino + ADF4351, RaspberryPi ham projects, HackRF, Airspy, RTLSDR, uW transverters, beacons and more. The filter has 1. 35MHz-4000MHz RF Signal Generator Signal Source ADF4351 VFO HXY D6 V1. 3V within the board. Download Favorite. The SD2931-10 design was taken from (a) the GI0GDP article on the 4m website for a 160W PA, and (b) the article by EI9GQ in RadCom (Aug 2008 p22) for a 2m PA using the same device. A General Purpose 2N5109 Amplifier DIY KIT: The 52x52 mm PCB is empty, all the components are supplied but need soldering and the transformer winding according to the pdf file with the instructions Use it as a receive pre-amp, post mixer amp, ssb tx driver etc. It has a 50-ohm input and output impedance. It is capable of generating signals between 35 MHz to 4400 MHz with a very low jitter of typical 0. Moon was high, elevation angle between approx. The ADF4351 allows implementation of fractional-N or integer-Nphase-locked loop (PLL) frequency synthesizers when used withan external loop filter and external reference frequency. The Windfreak SynthUSBII is a 34. - Default ±50ppm 25M imported active crystal oscillator. Output Frequency Range: ADF4351: 35M-4. 4 GHz, but it’s. 2 mW), but around 1. --- Log opened Fri Mar 01 00:00:06 2013 2013-03-01T00:01:39 Laurenceb_> just got email from work asking how much do licences cost for linux and where do you buy them from 2013-03-01T00:02:13 zyp> ok 2013-03-01T00:02:37 Laurenceb_> maybe i should set up a fake company 2013-03-01T00:02:44 Laurenceb_> "Linux gold account" 2013-03-01T00:05:20 Laurenceb_> "Linux8 Metro" 2013-03-01T00:07:18 -!-. documentation > hardware > raspberrypi > bootmodes Raspberry Pi boot modes Introduction. Cheap adf4351 development board, Buy Directly from China Suppliers:35Mhz to 4. Output frequency range: 35M-4. 4ghz Rf Signal Source Frequency Synthesizer Adf4351 Development Board Rf Signal Generator , Find Complete Details about Signal Generator Module 35m-4. Altium Designer原理图转为PADS 1. 8V; Programmable dual modulus prescaler of 4/5 or 8/9 (ADF4350, ADF4351, and ADF4355). Query firmware. Up till now I've been using a really great library that makes interfacing with a single chip a breeze. MCU software、ADF4351 schematic diagram (PDF);. The kernel-repo is on branch 2014_R2 and the hdl-repo is on branch hdl_2014_r2. The output is obtained by frequency division, and the output is a square wave. The coding is on-going. LNA for all - Low Noise Amplifier for many applications from 28 MHz to 2500 MHz. Circuit diagram in PDF format and STM32 test program are provided. There are several metrics you want to know about an antenna. Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. Connect your evaluation board. To summarize, the atemga uses SPI to communicate with the adf4351 using a clock, data, and SS(LE as analog devices defines in datasheet). Signal Generators. Tento obvod funguje od 35 MHz do 4. The MW signal is generated using an Analog device ADF4351 frequency synthesizer then amplified with mini-circuits ZHL-16W-43 MW amplifier. The ADF4351 allows implementation of fractional-N or integer-Nphase-locked loop (PLL) frequency synthesizers when used withan external loop filter and external reference frequency. 4GHz RF Signal Source Frequency Synthesizer ADF4351 Development Board $55. Yeah, that was the first thing I thought too. Man finder moduler ved at søge på: [ADF4351 35M-4. here is how whole project goes. This product operation keyboard has 15 ppt keys, 0~9 number keys, 10, "++" and "--" keys to adjust the frequency to use, also produces emission output behavior, short press "++" or "-- "Key stepping adds 1khz or minus 1khz to the original. Hi I have done some testing with the arduino soft of OE60CG which you also used and modified and I came on a problem of transfer of bits, the clock sends well the 32bits but the DATA send only 24bits, to test you can Send R [5] = (unsigned long) (5 + 268435455 * pow (2, 3)); On the R5 this corresponds to 28bits + the 3 bits of register selection, I have not yet found the problem but I think. Send 0x8f+"v" The answer should be in hex: 77; Where the returned byte is the firmware version, 0x77 = 119 = 'w'. On an UNO & '328 based Arduino, this is also known as A5, on a Mega it is also known as digital 21 and on a Leonardo/Micro, digital 3. It can be controlled by the upper computer official software. Some with great success! My friend Demetre, SV1UY unveiled to me the wonderful world of Ham Radio and got my license on 1987. Provide circuit diagram in PDF, and STM32 test program. ADF4351 frequency synthesizer for phase-locked loops (PLLs). 4g Stm32 TFT Touch LCD at the best online prices at eBay! Free shipping for many products!. 4 GHz ) Phase-Locked Loop (PLL) and Voltage Controlled Oscillator (VCO), covering a very wide range frequency range under digital control. Upload AD ADF4351. This model was built using the Sue2 schematic capture element of the CppSim package from Michael Perrott. rar (vcc-gnd. 3 GHz and 54 MHz to 13. • good isolation, 25 dB typ. J1 is the ISP connector, and J2 for connection to the target. Tutti i pin di controllo sono portati fuori per un comodo funzionamento. In this tutorial we will learn how to use mDNS to resolve the address of a HTTP web server hosted by the ESP32. Please read the kit-building instructions (see below) for more details on the circuit, design trade-offs, construction, and adjustment procedures. The Windfreak SynthNV is a CE certified, 34. 5 dB insertion loss at 146 MHz and >25 dB loss at 440 MHz. RF capacitors are used for all the circuits. Desweiteren finden interessierte User mein Bascom-Programm zum Beschreiben der ADF4351-Register im Anhang. NXP Semiconductors SA602A Double-balanced mixer and oscillator 7. 4GHz RF Signal Source Frequency Synthesizer ADF4351 Development Board COD Brand: Geekcreit 4. The ADF4351 has an integrated voltage controlled oscillator (VCO) with a fundamental output frequency ranging from 2200 MHz to 4400 MHz. Exact, stable frequency is very important in ham radio. 4" TFT Digital Oscilloscope 1 MSPS mit Sonde + Acryl Case bei eBay. Order Now! Development Boards, Kits, Programmers ship same day. it most likely will only have 1 PLL (ADF4350 for 138MHz version and ADF4351 for 25MHz version) and thus only is a signal generator and spectrum analyzer, not being able to sweep the frequency response of devices. I am using Eagle to produce the boards schematics and layouts and I will share them as soon as I correct some small mistakes there , as time permits. Stereo FM Main motivation was to provide high-fidelity playback Two separate 30 Hz to 15 KHz signals: Right & Left Broadcast system is compatible with non-stereo receivers Uses composite modulating signals (see Fig 5-23) Based on frequency-division multiplexing Two different signals (L + R & L R) are. The MAX2870 is an ultra-wideband phase-locked loop (PLL) with integrated voltage controlled oscillators (VCOs) capable of operating in both integer-N and fractional-N modes. Using a series of frequency dividers, ADF435x can operate from 35MHz to 6800MHz. 5GHz "WiFi" Grid antenna test. Default + -50ppm 25M active crystal oscillator. 4G (ADF4351) ,137M-4. Wideband Transmit Modulator. D1 1N4002 (the line indicated is the cathode and should go to the positive supply. 5%, Artikelstandort: Bremen, Versand nach: DE, FR, BE, Artikelnummer: 383277547250 Description 35MHz-4000MHz RF Signal Generator Signal Source ADF4351 VFO HXY D6 V1. 0 | Page 26 of 28INTERFACING TO THE ADuC70xx ANDTHE ADSP-BF527The ADF4351 has a simple SPI-compatible serial interface forwriting to the device. The chip is a wideband (35 MHz to 4. advance rf signal generator type b4a7 vintage unit. 4G RF Signal Generator PLL Am pretty sure i powered it up slowly, on a variac when i got it. 5nH 2000 to 4400MHz 3. com! Total file: 356 Today uploads: 382 Registered: 688 Today registered: 1112 (reset password please email to [email protected] Forskellen ligger i den laveste frekvens IC'en kan give. 4g Stm32 TFT Touch LCD at the best online prices at eBay! Free shipping for many products!. Tento obvod funguje od 35 MHz do 4. A Mini SDR Receiver Using An Audio DSP. 4GHz PLL RF Signal Source]. I am using Eagle to produce the boards schematics and layouts and I will share them as soon as I correct some small mistakes there , as time permits. The chip is an ADF4351, most AD devices in the RF category tack an F on to the part number, When I first decided I wanted a board or product around this chip doing searches for AD4351 drove me up the wall because there was almost no relevant information out there associated with AD4351. If you are not happy with the use of these cookies, please review our Cookie Policy to learn how they can be disabled. The shape may look familiar, but this board is actually NOT an Arduino shield. A faster SPI library for Teensy 3. Legal Disclaimer Notice of proprietary information, Disclaimers and Exclusions Of Warranties The ADI Presentation is the property of ADI. 5%, Artikelstandort: Bremen, Versand nach: DE, FR, BE, Artikelnummer: 383277547250 Description 35MHz-4000MHz RF Signal Generator Signal Source ADF4351 VFO HXY D6 V1. A | Page 2 of 6 4500 10147-004 OUTPUT POWER LEVEL (dBm) 7. Verkäufer: pincei_de (1. 00 The XB-200 is a block up-down converter that greatly expands the bladeRF’s usable frequency range down, making the platform suitable for HF/VHF applications. DGNDDVDD datasheet search, datasheets, Datasheet search site for Electronic Components. Priser fra ca. I've since soldered up two of these boards, and they've both worked wonderfully. S1 could be DIP switches, a hex switch, or 2x4 header and shunts. Default + -50ppm 25M active crystal oscillator. schematic of the board connected to ADF4351 Module is give as , you can download High resolution PDF from github Firmware As Device is HID Raw class so there no need to supply any specific driver to windows , all the support is already available in almost all the different OS platform. com: Orcad Symbol Library Schematic circuit plot from Cadence Virtuoso Hello, I am trying to print my circuit schematic view, the circuit is not that big, its like fully differential amplifier with biasing circuit. The Raspberry Pi has a number of different stages of booting. 15 $ og opefter. Here is the Link of the new SD Card module. The ADF4351 is an RF frequency synthesizer capable of producing tones from 37MHz to 4. adf4351 clk 1 data 2 le 3 ce 4 sw 5 vp 6 cpout 7 cpgnd 8 agnd 9 avdd 10 vvco1 16 vvco2 17 agndvco1 11 rfouta-13 rfouta+ 12 vtune 20 dgnd 27 muxout 30 rfoutb+ 14 rfoutb-15 dvdd 28 sdgnd 31 sdvdd 32 refin 29 temp 19 agndvco2 18 agndvco3 21 rset 22 vref 24 vcomm 23 ld 25 pdbrf gnd_pad 26 33 l2 0603cs-22n r14 1800 c17 10n c8 10n c45 100pf. Note that it's smallest step size is somewhere around 4kHz depending on your setup, hopefully thats good enough. ADF4350 går til 137 MHz, mens ADF4351 går ned til 35 MHz. The shape may look familiar, but this board is actually NOT an Arduino shield. 4700•Fax:781. Disconnect any evaluation board. DDS signals: sine, square, saw, rev saw ,triangle, ECG and noise. The integrated VCO has frequency output of 2. 48832GHz and then use the internal divide by 32 to get back to 155. Tento obvod funguje od 35 MHz do 4. Naturally, the first step was to build it into a breakout board and get to know the chip. The tests from this tutorial were done using a DFRobot's ESP32 module integrated in a ESP32 development board. When LE goes high, the 32 bits that were clockedinto the appropriate register on each rising edge of CLK aretransferred to the appropriate latch. Schematic for ADF5355 PCB. 6 meter RF amplifier From a good friend a have got a RF power module: RA30H0608M. 4GHz RF Signal Source Frequency Synthesizer ADF4351 Development Board $55. ADF4351 is very interesting PLL chip with many features. This product operation keyboard has 15 ppt keys, 0~9 number keys, 10, "++" and "--" keys to adjust the frequency to use, also produces emission output behavior, short press "++" or "-- "Key stepping adds 1khz or minus 1khz to the original. A redditor suggested using the ADF4351 development board as a ready to go signal generator. The UG-435 also contains the board setup instructions, and the board schematic, layout, and bill of materials. Stats collected from various trackers included with free apps. This product operation keyboard has 15 ppt keys, 0~9 number keys, 10, "++" and "--" keys to adjust the frequency to use, also produces emission output behavior, short press "++" or "-- "Key stepping adds 1khz or minus 1khz to the original. 2019, 22:24 ADF4351 is very interesting PLL chip with many features. The programming interface to the Si570 oscillator module is “clock and data” at 3v3 logic level dir ectly compatible with the chosen PIC16F688. The display can be controlled using 4 or 8 data lines. This was then used to sweep 200MHz about an IF of 1575MHz using various RF input frequencies. ADF4351: Description Wideband Synthesizer: is a simplified schematic of the. #define ADF4351_INT_F1 92 #define ADF4351_FRAC_F1 203 #define ADF4351_MODULUS_F1 1250. The 5 V power supply should be connected to the clip leads labeled VPOS and GND. 5nH 2000 to 4400MHz 3. In order to accurately perform the necessary double long (64 bit) integer math operations for the PLL and frequency generation, which is not provided by the native Arduino libraries, the fantastic `BigNumber` Arduino library by Nick Gammon was used. For most Arduinos, that is 5V; Connect GND to common power/data ground; Connect the SCL pin to the I2C clock SCL pin on your Arduino. 組み込みネット を見ていたら、『簡易信号発生器として使えるPLLシンセサイザモジュール”ぴるる”』の 記事 を見かけました。液晶ディスプレイ付きで13,650円。(9月末までの特別価格)基本波の出力周波数は2200~4400MHzとあります。価格が安いので単位はキロヘルツの間. The data sheet says "featuring low current noise" and then never says what it is. 0 is available. Hi everyone, I'm designing a hierarchiacal schematic by using multi-channel design. Rf Signal Generator For Sale Ebay. ADS9850 Signal Generator Module 1. Fractional N points frequency synthesizer and integer N frequency synthesizer. Paul Kiciak, N2PK has produced a most excellent Vector Network Analyser. The device is controlled by a 3-wire interface and requires a voltage range of 3 V. Download Favorite. RF capacitors are used for all the circuits. Wideband Synthesizer, ADF4351 datasheet, ADF4351 circuit, ADF4351 data sheet : AD, alldatasheet, datasheet, Datasheet search site for Electronic Components and. 4GHz RF Signal Source Frequency Synthesizer ADF4351 Development Board. Thanks for sharing the info. 0 DFR0387 TELEMATICS 3. I have the Alinx AN108 AD/DA device I bought from AliExpress working in a trivial way with Blackice II. Connects to PICkit 2 via 0. 7Ghz Low Noise Amplifier. SD2931-10 4m PA This was my second 4m PA project of recent years - the first used a dual MOSFET design. 35, buy best m5stack® base15 pro to industrial board module m-bus extension plastic enclosure board sale online store at wholesale price. Schematic for ADF5355 PCB. There are two LOs per channel, utilizing the ADF5355 and ADF4351 synthesizers, synchronized via FPGA I/O lines. Både moduler med ADF4350 og ADF4351 kan bruges. If you require a few more dB of output on the lower frequencies then the inductors L4 and L5 can be changed as follows: Frequency Range L4 and L5 Inductor Values 137 to 500MHz 100nH 500 to 1000MHz 47nH 1000 to 2000MHz 7. Because I had to use the ADF4351 board for my new BATV Portsdown DATV project, I decided to rebuild the ADF4351 VFO with a ADF5355 module, bought from e-bay. The AD9548 has it's REFA inputs (in the schematic 9548_REF_[PN] nets) tied to the FMC connector's LA_17_[PN]_CC pin. Feature: – ADF4531 module is a senior engineer to build, fully refer to the official version of the design;PCB and beautiful appearance, reasonable layout and design, materials standards;. 00:00 - Device Overview 04:56 - ADF4351 Synthesizer Update 06:57 - Device Walk-Through 12:22 - Teardown 18:13 - Frequency Testing 22:58 - Sensitivity Testing 31:30 - Cellular Phone Experiment 37. 4 from 2019-03-21) Fig 1. Universal driver for ADF4351. 4G RF Signal Generator PLL Sweep Frequency Generator ADF4351 with Touch Screen + USB Cable. txt) or read online for free. The ADF4351 activates a combination of sections in its divider network to generate output frequencies that span multiple octaves. Its still WIP, but the project is up and running OK. 02 Specifications: - Supply voltage: DC 4. com is your portal to free electronic circuits links. This is a wideband synthesizer with integrated VCO which allows implementation of fractional-N or integer-N phase-locked loop ( PLL ) frequency synthesizers when used with an external loop filter and external reference frequency. WAVETEK 144 Sweep Generator, Operating & Service Manual w/Schematics. This chip is controlled via a high speed 6 bit parallel bus coming from the microcontroller chip [8]. • aqueous washable • protected by U. Schematic_Gen-ADF4351-OLED-by-Boris_Sheet-1_20190404090037. Since this library supports only master mode, this pin should be set always as OUTPUT otherwise the SPI interface could be put automatically into slave mode by hardware, rendering the library inoperative. Resources listed under Beacon Keyer category belongs to Technical Reference main collection, and get reviewed and rated by amateur radio operators. 3V power supply. When i compile the project, the nets on "SheetA" are named "netxxx_1", "netyyy_1[/. Stm32f103 Registers. If you wanted to improve the jitter a bit further, you could take the 2. Arduino Library for the ADF4351 Wideband Frequency Synthesizer chip. 1 Schematic for ADF4351 evaluation PCB designed for this project. 00 The XB-200 is a block up-down converter that greatly expands the bladeRF’s usable frequency range down, making the platform suitable for HF/VHF applications. Vi skal bruge en LO omkring 2 GHz, så begge typer kan bruges. Mini-Kits is Australia's largest supplier of Electronic Kits and Components to Radio experimenters, Engineers, and Amateur Radio enthusiasts. Power for the ADF4351 Board is supplied by a USB to 3. It can be controlled by the upper computer official software. com Evaluation Board for the ADF4351 Fractional-N PLL Frequency Synthesizer PLEASE SEE THE LAST PAGE FOR AN IMPORTANT. Here is a project for beginners using Atmel AVR ATmega8. This is a very popular LCD Keypad shield for Arduino and other variants. Fractional-N PLL IC with Integrated VCO. The synthesizer is based on ADF4351 (35Mhhz to 2500Mhz), plus AD9850 for lower frequency range DC to 40Mhz. TECHNICAL DATA LOW POWER VOLTAGE CONTROLLED OSCILLATOR Order this document by MC12148/D 8 1 GND VCC 7 2 VCCO AGC 6 3 Out TANK 5 4 GND Vref Device Operating Temperature Range Package ORDERING INFORMATION MC12148D TA = -40 to 85°C SO-8 D SUFFIX Circuit Schematic 2 AGC 5 GND 3 TANK 4 Vref 8 GND VCC 1 VCCO 7 Q4. 4 GHz Frequency Synthesis Made Easy.