Oscillator HA7210 (CB22402E)

This circuit is from an old documentation and can be used to generate signals in different frequency bands.

CA3018 Amplifier (CB24062E)
This common emitter amplifier with 43 dB gain was found in the August 1970 issue of Radio...
E-Listening Transmitter (CB14861E)
The presented circuit emits signals in the FM band, which can be picked up from a distance of a...
11-Meter Band Receiver (CB14880E)
This receiver receives signals in the 17 MHz or 11-meter range and can be used as a base for an...