Found in old American documentation, this circuit demodulates signals from 1 kHz to 10 kHz for telemetry applications using the FM band.
This anti-ringing circuit was found in an English documentation from 1996. The integrated circuit is...
The figure shows how to increase the gain of the amplifier stage of the previous circuit. The...
This circuit uses unusual operational amplifiers, but equivalents can be tried. FETs can also be...