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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Crystal oscillator (CB24015E)
We found this circuit in a Radio Electronics from February 1970. The frequency of 1,400 kHz in the...
Micro Touch Control (CB20312E)
This circuit turns a relay on or off by touching the sensors or by connecting sensors at these...
Triggered Clock (CB16014E)
In a microprocessor project (shield) for control applications, a triggered clock can be useful....