Random neon (CB7082E)

This circuit causes the neon lamps in a set to flash randomly. Capacitors determine the speed of blinks. The supply must be made with high voltage.

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Band Notch Filter 741 (CB13325E)
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CMOS Oscillator (CB24273E)
This oscillator can use any CMOS inverter. The circuit is crystal controlled and was found in the...
Gain Control with Limiter (CB6322E)
This circuit was found in a 1967 US documentation. It shows how to build a gain control by digital...