This circuit is from a 1968 Electronic Design. The characteristics of the output transformer are not given and the transistors are of the time. The circuit provides a power of a few watts.
This is the receiver circuit for the remote control whose transmitter was given in the previous...
We found this conventional receiver circuit in a 1990 documentation. The circuit includes an audio...
This transformerless low-current power supply circuit was found in the August 1998 issue of...