Source for LASER (CB7843E)

This power supply for gas laser (HeNe) was found in a 90’s Popular Electronics. It generates from 1300 to 1500 V using common components.

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Surge Protector (CB18721E)
This circuit acts on a relay disconnecting the load when the input voltage exceeds the set limit....
Capacitive discharge ignition (CB23698E)
We found this circuit in a Radio Electronics from February 1966. The circuit uses SCR to control an...
20 dB amplifier 741 (CB15057E)
This is the traditional configuration of an inverter amplifier with 100 voltage gain and...