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Ad9851 Dds Signal Generator Module Sine Wave Square Wave Signal Source Generator

[MULTIFUNCTIONAL SIGNAL SOURCE] The AD9851 DDS Signal Generator Module serves as an efficient source for sine and square wave signals, for applications like frequency generation and sensor excitation tasks. [EXCEPTIONAL OUTPUT RESOLUTION] With a maximum resolution of 10 bits and an output tuning resolution of approximately 04Hz when operating at 180MHz, achieve precise control over your signal outputs. [SEAMLESS INTERFACE OPTIONS] This module supports SPI serial or parallel communication protocols, making it easy to integrate with STM32F103RCT6 routines in your electronic projects. [ENHANCED STABILITY AND NOISE REDUCTION] The innovative 6XREFCLK multiplier circuit significantly reduces phase noise while improving SFDR performance without needing high-speed reference oscillators. [Caution on Power Supply] It is crucial not to exceed a power supply of 2V; using for SMA to BNC cables is advised to for ensure clear signal observation.

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Features: * AD9851 is a highly integrated device that uses advanced DDS technology, plus internal high-speed, high-performance D/A converters and comparators to form digitally programmable frequency synthesizers and clock generator functions. When referenced to an accurate clock source, the AD9851 generates a stable frequency and phase-programmable digital analog output sine wave. The sine wave can be used directly as a frequency source or internally converted to a square wave agile clock generator application. AD9851 Innovation * The high-speed DDS core accepts a 32-bit frequency tuning word, and the output tuning resolution is approximately 0.04Hz when the system clock is 180MHz. The AD9851 contains a unique 6XREFCLK multiplier circuit that does not require a high-speed reference oscillator. The 6XREFCLK multiplier has minimal for impact on SFDR and phase noise characteristics. Specifications: Part name: signal source generator module Module model: AD9851 Material: PCB circuit board Size: as shown in the figure Color: black Module type: digital synthesis frequency source Module for power supply: DC-5V Module current: 70mA (MAX); normal drive current 65mA (TYP) Module communication protocol: SPI serial or parallel Module provides routines: STM32F103RCT6 Routine platform: STM32F103X-M3 KEIL5 version source code Module system main frequency: 180MHz (MAX) resolution bit: 10 bits Phase accumulator bit: 32 bits Module output interface: for SMA; 24-hour salt spray Maximum main frequency output sine wave signal range: 1Hz-65MHz Maximum main frequency output square wave signal range: 1Hz-30MHz; oscilloscope input impedance above 10MHz is 50 ohms, and square wave duty cycle is adjustable. Output amplitude: sine wave 340mVpp (MAX) square wave 5Vpp; the sine wave amplitude decreases with increasing frequency, and the square wave waveform changes with increasing frequency Output impedance: 75 ohms Module features: various; high-performance DDS sine wave signal generator, high-order elliptical filter, low-noise regulator chip, etc. Module applications: various; frequency signal generation, sine wave, square wave signal generation, sensor excitation Module interface type: for SMA signal output and external clock input, DC5.5 power socket Module usage precautions; (1) The module is a low-power module, and the power supply does not exceed 5.2V. (2) Since the module is a high-precision device, it is recommended to use a linear power supply to avoid unnecessary interference. (3) For the output signal, it is recommended to use an for SMA to BNC cable to directly observe the output signal. Poor contact or poor quality wire may cause signal attenuation or excessive noise. (4) The delivery code is only used for the matching main control board, and no single-chip microcomputer tutorial is provided. Additional functions need to be developed by yourself. (5) If you need to simply test the module function, it is recommended to use it with our control board. First power the DDS module, then power the control board, generate a waveform, and long press the middle button to switch functions. Frequently Asked Questions; A: The main frequency of the module is determined by the input clock and program. The onboard default clock is 30MHz, and the program control frequency is 6 times, that is, the default frequency is 180MHz. The output amplitude is fixed and cannot be programmed. A: The module can realize frequency sweeping, and the code provided by our store can support frequency sweeping. The module square wave duty cycle can be adjusted. A: The phase difference between the two channels is fixed at 180 degrees. The frequency is high. Due to the filter, phase shift may occur and cannot be adjusted independently. The default code is a dot frequency signal, and other modes need to be programmed by yourself. Package Contents: 1x Signal Generator Module

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