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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12 V to 9 V Converter (CB15056E)
The output current of this circuit reaches 12 mA. The zener diode determines the output voltage. The...
Switching regulator without inductors (CB8126E)
Found in Maxim's documentation from the 90's, this circuit uses an integrated from the time...
High-speed buffer (CB9556E)
Found in a 1980s documentation, this circuit makes use of components from that time. Modern...