51:32

[Bits #22] 3GHz Signal Generator Troubleshoot and Repair (No Output) on an Agilent E4432B

9:15

[Bits #18] Diode Noise Generator Circuit + Spectrum Analyzer

32:02

[Bits #19] Playing with old tube testers - Hickok 539B & Hickok 539C

9:39

[Bytes #2-4] DIY MIDI Accordion - The First Key

32:26

[Bits #21] David Clark ANR/ENC Headset Teardown, How Noise Reduction Works, Cable Rerouting

12:38

[Bytes #1] Part 1 Microvolts Signal Generator - CW TXCVR Design and Build

34:28

[Bits #11] Nixie Tubes Power Supply Build and Intro - 555 DC to DC Boost Converter

8:40

[Bits #13] Arduino Morse Code Capacitive Iambic Touch Keyer (Experimental)