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.

Inverter for Geiger Tube (CB24102E)
This circuit generates a high voltage of the order of 250 to 300 V from a 12 V battery to power a...
Peak Indicator (CB20736E)
This circuit triggers an LED when the input signal exceeds the peak, or the value set in RV1. The...
Siren Oscillator (CB8449E)
This circuit was found in a 90s European documentation. The circuit already includes a powerful...