The is the second article in a 2 part series detailing assembly and installation of the Harbach PM-200 HV power supply board for the Heathkit SB-200.
This is Part 1 of a 2 part series showing the construction and installation of the Harbach PM-200 Replacement Power Supply in the Heathkit SB-200.
Recently I purchased a used Heathkit SB-200 amplifier from the DELARA radio club and after letting is sit on a shelf for a few months, I fired it up and immediately noticed problems. With a fair amount of troubleshooting, I discovered the HV power supply board was definitely not up to snuff.Continue reading “A New High Voltage Power Board For the Heathkit SB-200”
A powerful 5W digital only transmitter from QRPLabs
My build notes for a “Digital only” QRP transceiver kit for sale by QRPLabs. It operates on 80M, 40M, 30M and 20M, and comes with a built in USB Soundcard.Continue reading “Kit Building Fun – QRPLab’s QDX”