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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Video amplifier (CB8743E)
Found in a 90s Popular Electronics, this circuit is intended for amplifying analog video signals....
Antenna Preamplifier (CB19257E)
This antenna amplifier or booster for receivers from 100 kHz to 30 MHz was published in a...
Proximity Switch (CB24800E)
This somewhat complex circuit was found in the May 1984 issue of Radio Electronics magazine. The...