This circuit was found in an Electronic Design from 1964. The components are from that time and can be replaced by equivalents. The modulation ranges from 0.25 to 0.75 of the 20 kHz pulses.
This circuit is based on a Texas LinMOS integrated circuit that consists of an operational...
In this circuit, a load is fed only when the voltage reaches a certain value. Currents of up to a...
This circuit is intended for communications receivers. We can find it in a documentation from the...