This circuit was suggested by Signetics in 1980s documentation. The circuit makes use of the hard-to-obtain component of our day. It is for reference only.
This latched circuit uses an LDR as a sensor. It must be powered by a voltage of 5 V....
This amplifier must be supplied with a voltage of 24 V and the resting current is of the order of 4...
This very high voltage (VHT)generator was found in a 1995 documentation. The transistors must be...