#243: Mini-review & test of a variable audio bandpass filter from SOTABeams
10:35
Tuning a bandpass filter using a signal generator and oscilloscope
7:41
Review: SOTAbeams LASERBEAM VARI variable audio filter
27:32
Building a simple 2 tone audio generator for testing SSB radios.
10:53
Superhet Receiver Part #5: Audio Board & Notch Filter!
36:44
Designing a TR-606 style hi-hat from scratch
18:31
IC-705 A to Z #6 DSTAR Part 1 - The basics
24:49
Juntek PSG9080 Quick Look
34:10