This circuit was originally intended for reading movie soundtracks. The circuit is from 1967 and was found in an English publication. The sensor is semiconductor type.
This circuit was found in the Analog Devices component manual, providing a negative voltage of 2.5 V...
The purpose of this circuit is to produce a 50 uV harmonic at 1296 MHz from a 0.15 to 1 V input of...
This circuit uses matched transistors. The circuit is from Electronics Now magazine and has a...