This circuit detects changes in the active cycle of the input signal. The circuit was obtained in a 1966 EEE. Transistors are general purpose types of the time.
The load on this amplifier is 8-ohm. We found the circuit in a 1972 Motorola amplifier manual. The...
This circuit can control a heating element with a current of up to 5 A. The integrated circuit must...
We found this circuit in a 2003 publication. The indicated coil is for capturing the signals in an...