38 - Switching the Band Pass Filters
47:39
39 - Multifunction Digital VFO - Part 1: Hardware
18:00
Crystal Filter Experiments
38:32
48 - RF Driver & Pre-Driver Amps
20:44
Homebrew 80m/40m SSB/CW Rig - Part 4: Band Pass Filters
8:29
(tr)uSDX - A Game Changer!
33:42
45 - IF Amplifiers
11:24
#1720 2N7000 FET
6:59