Description

The AD9850 Signal Generator Module is a high-performance DDS (Direct Digital Synthesis) function generator designed for Arduino applications. Built using the widely used AD9850 and AD9851 chips from Analog Devices, this module provides precise frequency generation for sine, square, and triangular waveforms. Ideal for testing and calibration, it offers a versatile range of output frequencies and can be adjusted for various waveform properties. Whether you're creating signal sources for experiments or developing communication systems, the AD9850 module ensures high-quality, stable signals for your projects.

Why Choose the AD9850 Signal Generator Module?

The AD9850 module offers high precision and stability with adjustable frequencies and waveform types, making it an excellent choice for hobbyists, engineers, and researchers. With the AD9850's clock frequency up to 125MHz and the AD9851's higher 180MHz capability, you can achieve a wide range of frequency outputs, including low-frequency signals for basic testing or high-frequency signals for more advanced applications. The module's ease of integration with Arduino platforms makes it an accessible tool for a variety of signal generation needs.

Key Features

Wide Frequency Range: AD9850 (0–40MHz), AD9851 (0–70MHz).
Multiple Waveform Outputs: Sine wave, triangle wave, and square wave.
High-Performance Clock: AD9850 module with 125MHz active crystal oscillator, AD9851 with 30MHz active crystal oscillator.
Adjustable Square Wave Duty Cycle: Achieved by adjusting a variable resistor.
Low-Pass Filter: Includes a 70MHz low-pass filter for cleaner waveforms.
Arduino Compatibility: Easily integrates with Arduino boards for signal generation and control.
Enhanced Output Quality: Waveform quality improves with higher frequencies, especially above 20-30MHz.

Technical Specifications

Frequency Range: AD9850: 0–40MHz; AD9851: 0–70MHz
Clock Frequency: AD9850: 125MHz; AD9851: 180MHz
Output Waveforms: Sine wave, square wave, triangle wave
Square Wave Output Frequency: 0–1MHz
Low-Pass Filter: 70MHz filter for improved waveform quality
Voltage Reference Input: Adjustable via a variable resistor
Oscillator Type: AD9850 with 125MHz active crystal, AD9851 with 30MHz active crystal
Operating Voltage: 5V DC (Arduino-compatible)
Adjustable Output: Square wave output adjustable through a potentiometer for duty cycle control.

The AD9850 Signal Generator Module is an ideal tool for anyone needing to generate clean, precise signals across a broad frequency range. Whether you're building a signal source for an experiment or testing equipment, this module offers exceptional functionality and ease of use for your Arduino-based projects.