Using a BA1404 integrated circuit this small FM stereo transmitter was found in a Radio Electronics magazine from October 1989. The coils are indicated.
This circuit can be used as a rhythmic light or as a control shield for incandescent lamps from...
We found this circuit in a European publication from the 1990s. Transistors are still common types...
Settings like this can be found in this section and on this website, but from different sources of...