This circuit is used in VHF and UHF superheterodyne receivers. The circuit is from the 1964 RCA transistors manual. Equivalent transistors such as the BF495 can be used.
This is the receiver circuit for the remote control whose transmitter was given in the previous...
This circuit regulates the output voltage of a 78xx according to the light incident on the sensor....
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...