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.
This instrumentation circuit was found in the September 1989 Radio Electronics magazine. The...
This circuit is from a 1980s Signetics documentation. The circuit separates the modulation signal from a...
This circuit is a from publication 1980, but still can be mounted with BC548 transistors for Q1...