This 80's circuit uses a germanium transistor like the AC121. The circuit has an output transformer of the type found on many transistor radios of the time.
This small FM transmitter for short distances has a stereo multiplexer and can be used over an...
This commercial circuit of 3 transistors was found in Japanese documentation from the 1960s. The...
We found this circuit on Motorola's 1993 Linear Interface ICs. Equivalent operational amplifiers can be...