Making a VFO to Transmitter Matching Transformer
29:12
The Mysteries of the Pi Network Explained
5:13
Reviewing the OzQRP CDV DDS VFO
1:22:42
Examples of BAD Ground in PCB Layout And How to Fix It
38:54
Behind the Scenes at WWVH
14:13
#1185 HF VFO 20kHz to 220MHz
58:45
Building a 1920s Tube Amplifier (And Tubes!)
55:12
The Amazing History of Microelectronics
50:19