400–800MHz DDS Signal Source Module | Digital RF Signal Generator with RS485 Control

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Digital Signal Source

Product Overview The 400–800MHz DDS Signal Source Module is a compact and highly stable digital RF signal generator designed for professional RF systems, electronic countermeasure platforms, and sig……

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Functional characteristics

Product Overview

The 400–800MHz DDS Signal Source Module is a compact and highly stable digital RF signal generator designed for professional RF systems, electronic countermeasure platforms, and signal testing applications. Based on Direct Digital Synthesis (DDS) technology, the module delivers precise frequency control, excellent signal stability, and flexible power adjustment.

With a wide operating voltage range, low power consumption, and an RS485 control interface, this DDS signal source module is ideal for integration into embedded systems, UAV countermeasure equipment, RF testing platforms, and communication system development environments.

Key Features

400–800MHz Wide Frequency Coverage
Supports multiple RF application scenarios within a single compact module.
DDS Digital Signal Architecture
Provides high frequency accuracy, fast tuning speed, and excellent stability.
Up to 10dBm Output Power
Suitable for signal injection, modulation sources, and RF system driving.
Wide Power Adjustment Range
0–31.5dB adjustable output with 0.5dB step resolution.
RS485 Control Interface
Enables remote configuration and system-level integration.
Compact & Lightweight Design
Ideal for embedded and portable RF applications.

Technical Specifications

Parameter	Specification	Notes
Signal Type	Digital Signal Source	DDS technology
Operating Frequency	400–800MHz	Continuous coverage
Maximum Output Power	10 dBm	Typical value
Output VSWR	≤ 2.0	Stable RF performance
Operating Voltage	DC 12V–29V	Wide voltage input
Maximum Current	200 mA @ 28V	Low power consumption
Power Adjustment Range	0–31.5 dB	Digitally controlled
Power Adjustment Step	0.5 dB	High precision
RF Output Connector	SMA Female	Standard interface
Power Control Connector	7W2	Power & control
Control Interface	RS485	Digital communication
Dimensions	146 × 63 × 17.5 mm	Compact form factor
Weight	0.21 kg	Lightweight module

Application Scenarios

UAV Countermeasure & Jamming Systems
RF Signal Generation & Testing
Electronic Warfare (EW) Subsystems
Communication System Development
Embedded RF Platforms
Laboratory & Field Signal Injection

Integration Advantages

The 400–800MHz DDS signal source module offers easy integration through standard RF connectors and RS485 digital control. Its stable output, precise power control, and compact mechanical design make it a reliable signal generation solution for both development and deployment environments.

Conclusion

The 400–800MHz DDS Signal Source Module combines digital precision, flexible control, and compact size into a reliable RF signal generation solution. It is well-suited for modern RF systems requiring stability, accuracy, and seamless system integration across a wide frequency range.