1MHz - 6GHz VNA2

!work in progress, more information will be added in the future!

This is the improved version of my first attempt at a VNA.

Main differences to first version:

Exchanged some RF chips for slightly cheaper versions with similar specifications
Power supply scheme changed to use 5V instead of 12V, potentially allowing the device to be powered from USB
FPGA gets configured from the microcontroller, removing the need for a JTAG programmer. This also allows firmware updates of both the FPGA and the microcontroller through the USB port
RF sections distributed differently on PCB to increase isolation between ports