Using a standard multimeter, this circuit from a 73 magazine for radio amateurs provides an output proportional to the inductance under test. The circuit is TTL and must be powered with 5 V.
Applying a 38 kHz signal at the input of this circuit (multivibrator) we can have stereo...
This input stage has unit gain but a high input impedance and low output impedance. The circuit is...
This circuit was found in an Electronic Design from 1968. Its purpose is to produce synchronized trigger...