LPT version of N2PK VNA, built in 2008. Home made Power supply used. See next chapter for more details.
Version 4.1 PCB from VE3IVM. Skills are needed for such a board populating. DDS ICs are under cooling plate.
Cooper plate helps to stabilize the operating temperature of DDS circuits. Plate is conductively coupled with VNA cover box.
USB Interface board from G8KBB. Dave is also the author of an excellent software for N2PK VNA (MyVNA).
Transverter is enclosed in a Hammond 1455C801 extruded aluminum box.