SCR Steady Hand (CB22098E)

This “test your nerves” game was found in old documentation. The SCR can be of any sensitive type, for example series 106.

TTL binary adder (CB22430E)
This circuit is based entirely on TTL gates. The circuit must be powered by a voltage of 5...
Beacon Transmitter (CB11952E)
This transmitter operates in the FM band emitting beeps that can be picked up on a common radio at...
Siren Oscillator (CB8449E)
This circuit was found in a 90s European documentation. The circuit already includes a powerful...