HF/VHF PA Z-matching.
Diode Switching..
Estimate coil/cap/freq..
Calculate coils.
ESD protection
DIY IF Cans
Pathlosses
My Coil formers
QRP frequencies
Measuring QRP
Re-using IF cans
Gimmick caps
Heatsink size
Regulators use & misuse
HF/VHF PA Z-matching.
Diode Switching..
Estimate coil/cap/freq..
Calculate coils.
ESD protection
DIY IF Cans
Pathlosses
My Coil formers
QRP frequencies
Measuring QRP
Re-using IF cans
Gimmick caps
Heatsink size