Binary Neon (CB6806E)

This flip-flop with neon lamps was found in a 1969 publication that deals precisely with neon lamps. Observe the high supply voltage.

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Optical direction discriminator (CB8079E)
Found in American documentation from the 90s, this configuration detects the direction of rotation...
SCR Charger CIR13730S (CB6397E)
Circuits similar to this can be found in this section. This is from 1967 General Electric...
LED Indicator (CB14962E)
This circuit uses two transistors and can be powered by just two small batteries. The frequency is given...