ADF4351 RF Signal Generator 135M-4.4GHz Development Board Phase Locked Loop RF Signal Source Module Electronic Components

The ADF4351 RF Signal Generator Module is a development board that uses the Analog Devices ADF4351 PLL synthesizer chip to generate RF signals from 135 MHz to 4.4 GHz. It supports fractional-N and integer-N synthesis, offering fine frequency resolution and phase noise performance suitable for RF development, testing, and educational projects. Controlled via SPI, it allows flexible integration into systems requiring stable, programmable RF signal sources.

Specifications:

Frequency range: 135 MHz to 4400 MHz

Chipset: Analog Devices ADF4351

Output power: Typically adjustable (via onboard attenuator/control)

Phase noise: Low phase noise PLL synthesis

Frequency resolution: <1 kHz (fractional-N mode)

Control interface: SPI digital control

Supply voltage: Typically 5 V DC

Onboard MCU/controller support: May include STM32 or similar for standalone or USB control (varies by design)

Connectors: SMA female RF output

Board dimensions: Typically compact, varies by manufacturer