I'll have try that (because certainly nothing I've done to date has been successful ). In the meantime I found my error so this (hopefully) should work and be the correct size (at least from the data sheet, we will see how real life turns out ).
RXB6_Superhetrodyne_receiver.fzpz (11.6 KB)
I cheated a bit on breadboard and just expanded the background green board right a bit and moved the connectors to the correct place without moving the imagery around so breadboard is a bit lopsided but the dimensions should be correct and the pins in the correct places.
Peter Van Epp