I had a dance last night - to the music issuing forth from my home-made valve superhet receiver! I have made some valve radios in the past - basically amplified crystal sets but this is the first "proper radio" I have constructed. It doesn't have an RF amp. stage, the aerial signal goes straight into...
Posted to
nick
by
nick
on 05-10-2007
Filed under: Valve broadcast superhet low voltage space-charge