AD9833 DDS Signal Generator Module – Sine & Square Wave SPI
AD9833 DDS Signal Generator Module – Sine & Square Wave SPI
AD9833 Programmable DDS Signal Generator Module
Take full control of your waveform generation with the AD9833 Programmable DDS Signal Generator Module. Designed for electronics engineers, hobbyists, and makers, this compact module uses the AD9833 Direct Digital Synthesis (DDS) chip to produce precise sine and square wave signals via a simple serial (SPI) interface. Whether you're building test equipment, audio synthesizers, or embedded control systems, this module delivers reliable, programmable frequency output with minimal external components.
Key Features
- AD9833 DDS IC: Industry-standard chip for accurate, stable waveform generation
- Output Waveforms: Sine wave and square wave outputs selectable via software
- Serial SPI Interface: Easy integration with microprocessors including Arduino, STM32, PIC, and more
- Programmable Frequency: Wide frequency output range controlled digitally — no analog tuning required
- Compact Form Factor: Small PCB module ideal for breadboarding and embedded projects
- Low Power Consumption: Efficient design suited for battery-powered and portable applications
- 3.3V Compatible: Works seamlessly with 3.3V microcontroller logic levels
- Condition: Brand new
- Quantity: 1 module per order
Specifications
| IC Chip | AD9833 |
| Interface | 3-wire SPI (Serial Peripheral Interface) |
| Waveform Types | Sine Wave, Square Wave |
| Supply Voltage | 3.3V |
| Output Frequency | Programmable via microprocessor |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 1 × AD9833 DDS Signal Generator Module
Who Is This For?
This module is perfect for electronics students, embedded systems developers, RF engineers, and DIY enthusiasts who need a reliable, programmable frequency source. It's widely used in:
- Function generator builds
- Audio frequency testing
- Sensor excitation circuits
- Microcontroller-based waveform projects
- Educational electronics labs
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What waveforms can the AD9833 DDS Signal Generator Module produce?
A: The AD9833 module can generate sine waves and square waves. The output waveform type is selectable via software commands sent through the SPI serial interface, making it easy to switch between waveform types in your code.
Q: Is this AD9833 module compatible with Arduino?
A: Yes! The AD9833 DDS Signal Generator Module is fully compatible with Arduino, STM32, PIC, and most other common microcontrollers that support the 3-wire SPI (Serial Peripheral Interface) protocol. Simply connect SCLK, SDATA, and FSYNC pins to your microcontroller's SPI pins and control it programmatically.
Q: What voltage does this module operate at?
A: This module operates at 3.3V, making it directly compatible with 3.3V microcontroller boards. If using a 5V Arduino, a logic level converter is recommended to protect the module's inputs.
Q: What is DDS (Direct Digital Synthesis) and why is it useful?
A: Direct Digital Synthesis (DDS) is a method of producing waveforms digitally by calculating and outputting signal values from a lookup table, controlled by a clock. DDS allows extremely precise, stable, and easily programmable frequency output — making the AD9833 module ideal for applications that require accurate and repeatable signal generation without manual analog tuning.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.