NOR gate with the 7400 (CB22406E)

The configuration below shows how to use the 7400 as a NOR function. The circuit is TTL and must be powered with 5V.

Surfer Sound (CB21239E)
Published in Electronics Now from the 90s, this circuit called Surf Man produces a sound effect in the...
Sinusoidal converter (CB8428E)
With this circuit it is possible to obtain a sinusoidal signal from a triangular signal. The...
BCD to Analog Converter (CB5091E)
This circuit can function as a simple shield converter from BCD to analog outputs. The circuit...