Superhet + SDR
9 Mc IF + 2 xAD603 + FST3125 IQ detector
H-mode mixer
FSA3157 + ET1-6TSM20
Low cost D.D.S.
Si5351 + custom low pass filters
Hilbert digital F.I.R.
Teensy 4.1 with custom code.
Digital sampling A.G.C.
Arduino nano + AD8307
7 or 10 " touch display.
Nextion display + own code
Kenwood code emulator
N1MM interfacing