Radio Push-Button Micropower Circuit Using CD4049 Inverter 2018-07-18

[crutschow]

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Radio Push-Button Micropower Circuit Using CD4049 Inverter - A simple circuit using the common CD4049 to generate the Radio PB Function

INTRODUCTION --
The Radio Push-Button has an interesting function, where pushing one momentary button of several gives a latched output representing that button, simultaneously cancelling the latched output from the previously pressed button.

This article disscusse a simple circuit, using CD4049 inverters, that performs that function.
Similar circuits are posted on the web, but may not be reliable due to lack of isolation between the input and output of the latch circuit, which is added...

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