We found this circuit in a 1977 Timers Cookbook. The circuit uses common components to divide a 1 kHz signal by 2. The output has an amplitude of 2 Vpp.
This circuit is from 1968 documentation. We can assemble it with more modern components such as a...
Found in a 90s Silicon Chip documentation this circuit is intended to protect a speaker system in...
The UVTRON tube is an ultraviolet radiation sensor. In this circuit from Radio Electronics from...