Modulated HeNe laser power supply (CB21186E)

This high voltage gas laser source was found in an American publication from the 1990s. The circuit has an input for PWM modulation.

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CCFL Lamp 2.2 W Inverter (CB12536E)
The circuit shown in figure 1 consists of an Inverter Module for CCFL Lamp that can be supplied with...
Power supply for 250 W amplifier (CB24275E)
This circuit is the power supply for the amplifier in the previous circuit. The transformer is 5 A...
Tuner with MOSFET (CB6914E)
This circuit serves as a reference for the components used and the time. The circuit is from 1967...