FoxScope 2m – 144 MHz ARDF Receiver – Part 2 – The RF Board

By Per Magnusson, SA5BYZ This is the second part in the article series about the FoxScope 2m ARDF receiver. The RF board contains the RF-attenuator/amplifier, local oscillator, mixer, IF-filter and the IF amplifier. It has an SMA connector for connecting to the antenna and interfaces with the processor board via a 32-pin, 0.5 mm pitch Continue reading FoxScope 2m – 144 MHz ARDF Receiver – Part 2 –…