Suggested by General Electric in a 1965 document, this circuit can accept a greater number of sensors. When anyone opens the SCR it fires powering the load.
This circuit from the 70's used germanium transistors and operated in the range of medium and...
Found in a 1965 Electronic Design, this circuit produces a signal with the waveform shown in the...
Unlike the previous detector circuit, this includes the inverter not requiring a high voltage...