Found in a 70s RCA manual, this circuit uses a transistor of the time for an UHF L band oscillator. Details of the resonant circuit, which is critical, were not given.
Using a BA1404 integrated circuit this small FM stereo transmitter was found in a Radio...
The operational amplifier is not very common today, but in its place an equivalent, even of...
This circuit was found in the February 1993 Radio Electronics magazine. The frequency depends on...