I'm building a AN762-140 from Communication Concepts, INC. They don't answer email or return phone calls so if you are wanted help from them...
Hello I picked up an linear amplifier minus power supply at a hamfest for under $100. The owner said he hasn't used it in 10 years and is...
Any ham have schematic diagram for 432 mhz amp with tetrode 4cx250b ? Like to receive any solution exspecially for " grid circuit input at 432 mhz...
