This circuit is intended for use with common oscilloscopes having been found in documentation on instrumentation from the 1970s. The capacitors are of the ceramic type with low parasitic inductance.
Found in a 90s nHands On Electronics, this circuit triggers a relay that shuts off the load when...
We found this circuit in a 1965 Electronic Design. The transistors are from the era, and modern...
This circuit is an improved version of the previous ones with the LM3914. We found it in the March...