'Push button memory (CB7243E)

This circuit was found in an American documentation from 1969. The circuit memorizes when a command pulse activates the relay.

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Sampling and Holding (CB15810E)
This circuit is from National Semiconductor documentation and employs LM102 operators that are no...
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This distortion circuit was found in an American publication from 1970. It can be assembled with...
DC DC Step-Down Converter 18V x 5 A (CB12774E)
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