Three-input majority gate (CB7248E)

This interesting logic circuit was found in a manual of neon lamp applications.

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Square oscillator (CB8452E)
This circuit was found in a 90s Popular Electronics. The integrated circuit used is similar to the 741....
Diodes Curve Tracer (CB1496E )
This circuit is connected to the inputs X and Y of an oscilloscope to display the characteristic curve of a...
Horizontal Bar TV Generator (CB524E)
This circuit produces horizontal lines or bars in a analog TV tuned between channels 2 and 5. L1...