Schmitt Trigger 7400 (CB22419E)

This low hysteresis circuit was obtained from old documentation. The circuit must be powered by a voltage of 5 V.

Delay Switch for Lamps (CB17177E)
This circuit, which can only be used with incandescent lamps, is adapted to the common wall...
Audio Frequency Meter (CB3877E)
Audio frequencies in the 300 Hz to 30 kHz range can be measured with this circuit. Transistors allow...
15 V x 1A Protected Power Supply (CB17073E)
In the event of a short in the output, the relay disarms interrupting the supply. To reset this...