Using a BA1404 integrated circuit this small FM stereo transmitter was found in a Radio Electronics magazine from October 1989. The coils are indicated.
Found in Electronics Now from the 1980s, this amplifier can also be seen in commercial amplifiers...
Found in a Popular Electronics from the 90s, this circuit uses a double 555 to emit beeps when the...
This circuit was found in the January 1992 issue of Radio Electronics magazine. The capacitor...