This circuit was obtained from a 1977 FET manual. The circuit measures inductances using a signal generator as a reference. The range is from 60 uH to 60 000 H. The FET can be a BF245.
) This circuit was found in a 80’s Popular Electronics. It issues a warning signal with the signal...
This circuit consists of a traditional amplifier version with complementary output using BD series...
The circuit below shows how to configure 3 gates of a 7400 to obtain a rectangular signal from a...