Si5351

Small wonderful VFO and BFO

I get this PCB from SM5CJW nearly a year ago. 5 Component, 2 resistor I2C pullup  1 decoupling 100nF, the Si chip and Xtal 25 MHz. Work grate directly.

Earlier i use Adafruit  module, and NT7S sw for Arduino.

Stay tuned I working on a QRP Transceiver.