RF Monitor (CB21686E)

This RF monitor or field strength meter can use instruments from 100 uA to 1 mA full scale. The diode is germanium type.

AM Receiver (CB7490E)
We found this 4-transistor receiver for the AM MW range in a 1960 transistor manual from Sylvania....
Gas and Smoke Leak Detector (CB4885E)
The sensor component used in this project is not common today as it is an 80's design. The circuit...
Pulse Generator I (CB18967E)
This circuit produces a pulse train controlled by the output of a logic circuit or a...