I finished this QRP project I started some years ago. The transmitter is a three transistor model I built from circuit in a book. It has a NTE128 final and makes decent but not big power. It is very good on CW and I just added AM phone with a absorption loop which works very well. The receiver I designed and built a couple of weeks ago and just finished the final refinements Monday. It is a three transistor regen with a FET regen detector and a two stage audio amp. The receiver uses no variable capacitors or vcap diodes but uses a fixed cap (220pf) across a ceramic slug tuned coil. Result is no hand effect , no vernier required, as tuning is at a very comfortable rate and it is rock solid. The regen control also uses an absorption loop to pull excessive feedback from the tickler. Once set I can tune across the 80M band both CW and SSB signals with no further trimming required. Best SSB receiver I have here. Set is 12v powered (cigar lighter socket or portable 12v gel battery etc.
Don VE3LYX
