The DDS Signal Generator Module is a high-performance device designed to simplify waveform generation for electronics enthusiasts and professionals. This module offers a wide range of capabilities, including outputting two sine waves and two square waves, making it an ideal choice for various applications. With a powerful low-pass filter capable of operating at a frequency of 70 MHz, the module ensures superior waveform quality compared to traditional signal generators. The resulting waveforms exhibit low noise and high precision, providing accurate signal representations for your projects. integration with an Arduino board seamless and adaptable to different project requirements. The module incorporates an AD9850 chip, a renowned component from ADI (Analog Devices, Inc.), known for its excellent performance in generating sine and square waves. The AD9850 chip guarantees stable and reliable output, ensuring precise frequency generation. Keep in mind that when using the module for sine wave output beyond the 20-30MHz range, harmonics might become more prominent, resulting in slightly distorted waveforms. However, for frequencies below this range, the module provides clean and accurate sine wave output. Additionally, the DDS module features a comparator reference input voltage controlled by a variable resistor, allowing users to adjust the duty cycle of the square wave for different frequencies. This provides greater control and versatility when generating square waves for your projects. In conclusion, the DDS Signal Generator Module for Arduino is a must-have tool for electronics enthusiasts and professionals alike. Its impressive performance ratio, combined with its ability to output two sine waves and two square waves, makes it a valuable addition to any electronic toolkit. Whether you're working on hobby projects or complex applications, this module will undoubtedly enhance your waveform generation experience.

 

Specifications:

• Frequency Range: Up to 70 MHz
• Waveform Types: Two Sine Waves, Two Square Waves
• Data Input Options: Parallel and Serial (jumper selectable)
• Chip: AD9850 from Analog Devices, Inc.
• Output Stability: High precision and low noise
• Harmonics: Becomes more prominent beyond 20-30MHz for sine wave output
• Voltage Input: Comparator reference input voltage controlled by a variable resistor
• Interface: Easy-to-use pinout for Arduino connectivity

Features:

1. Dual Waveform Output: Generate two independent sine waves and two square waves, providing flexibility for various applications.
2. High-Performance Low-Pass Filter: Operates at frequencies up to 70 MHz, ensuring superior waveform quality and accuracy.
3. Flexible Data Input: Choose between parallel or serial data input through a convenient jumper, allowing easy integration with Arduino boards.
4. Stable AD9850 Chip: Incorporates an AD9850 chip from Analog Devices, Inc., renowned for its reliable performance in waveform generation.
5. Precise Frequency Generation: The AD9850 chip ensures stable and accurate frequency output for precise signal representation.
6. Clean Sine Wave Output: Provides clean and accurate sine wave output at frequencies below 20-30MHz, ideal for various electronics projects.
7. Duty Cycle Adjustment: The comparator reference input voltage, controlled by a variable resistor, enables users to adjust the duty cycle of square waves for different frequencies.
8. Easy Arduino Connectivity: The module features an intuitive pinout for straightforward connection to Arduino boards.
9. Wide Range of Applications: Suitable for hobby projects and complex applications, enhancing the waveform generation experience for users.
10. Enhanced Signal Integrity: Low noise and high precision ensure optimal signal integrity for demanding electronic projects.

Package Included:
1 x AD9850 DDS Signal Generator Module

 

Pinout of the Module:

The pin description starts as shown to the left of the potentiometer.

GND	ZOUT2 - Sine 2
D7 - We don't need it	ZOUT1 - Sine 1
D6 - We do not need	QOUT2 - Rectangular signal 2
D5 - We don't need it	QOUT1 - Rectangular signal 1
D4 - We don't need it	GND - GND from Arduino
D3 - We do not need	Reset - For example, Pin11
D2 - We do not need	Data - For example, Pin10
D1 - Not needed	FQ_UD - For example, Pin9
D0 - We don't need it	W_CLK - For example, Pin8
Vcc - We don't need it	Vcc - +5 V

Download

• AD9852 - Datasheet AD9852 - Complete DDS Synthesizer
• AD9850 Library - Arduino AD9850 Library with examples

 

This Tutorial will help you understand how this Signal Generator Module AD9850 DDS IC Test Equipment 0-40MHz Sine Square Wave works don't forget to use the caption to see the subtitles :