AD9851 12MHz DDS Signal Generator Module

The AD9851 DDS Signal Generator Module is a high-precision Direct Digital Synthesis (DDS) module designed for generating stable and accurate waveform signals over a wide frequency range. Based on the AD9851 DDS chip, the module can generate sine waves and square waves with fine frequency resolution and excellent stability.

It is widely used in RF communication systems, signal processing, test equipment, function generators, and educational electronics projects. The onboard high-frequency crystal oscillator and SMA connector make it suitable for both laboratory and embedded applications.

Technical Specification:

• Main IC: AD9851 DDS Frequency Synthesizer
  
• Clock Frequency: 30MHz crystal oscillator with internal 6× multiplier (180MHz system clock)
  
• Output Frequency Range: 0Hz to approximately 70MHz
  
• Waveform Output: Sine wave and square wave
  
• Frequency Resolution: 32-bit tuning resolution
  
• Supply Voltage: 5V DC
  
• Output Connector: SMA RF connector
  
• Communication Interface: Parallel/Serial control interface
  
• Logic Level Compatibility: TTL/CMOS compatible

Features:

• High-frequency DDS signal generation
  
• Wide output frequency range up to 70MHz
  
• Fine frequency tuning with high resolution
  
• Stable and low-distortion waveform output
  
• Built-in high-speed reference oscillator
  
• Supports sine wave and square wave outputs
  
• Compact PCB with SMA output connector
  
• Easy interfacing with microcontrollers and development boards
  
• Low power consumption and reliable performance

Applications:

• RF and wireless communication experiments
  
• Function and waveform generator projects
  
• Signal source for testing and calibration
  
• Frequency synthesis applications
  
• Ham radio and amateur RF systems
  
• Embedded signal processing systems
  
• Laboratory instrumentation and education
  
• Microcontroller and FPGA-based frequency generation projects