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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Or exclusive with transistor (CB7249E)
In the figure we have the way to obtain the Exclusive-OR function with 1 transistor. The circuit...
Digital Fuel Gauge (CB26173E)
This two-digit circuit was found in the 1999 Radio Experimenter Handbook. It uses the CA3161 and...
Super regenerative detector (CB24292E)
This circuit with an unusual configuration was found in the January 1974 issue of Radio...