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 1988 documentation circuit includes a charger and an inverter to power a small fluorescent lamp. The...
This circuit can act as a receiver for the transmitter of the previous circuit. We found it in...
The power source shown for powering for small TTL circuits was found on a Radio Electronics...