Laser 6kV source (CB21009E)

This high voltage source for gas LASER was found in documentation from the 1990s. The circuit is low current.

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Thermostat (CB24644E)
We found this multiple thermostat circuit in July 1980 Radio Electronics magazine. It uses...
Microphone Preamplifier (CB10228E)
This circuit is from a 1986 Revista Española de Electrónica. It consists of an amplifier with...
Flip Flop High Current (CB6619E)
Suggested by a 1968 Philips documentation this Eccles Jordan rocker as it was called can operate...