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Switch_bounce_eliminator_or_filter

2017-02-16 19:41  
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Switch_bounce_eliminator_or_filter
This circuit provides a rapid charge-up of C1 to near V+ on switch closure, and a corresponding slow discharge of C1 on switch break. By proportioning the time constant of R1/C1 to approximately the manufacturer's rated bounce time, the output at terminal 4 of the ICL8211/12 will be a single change of state (no bounce) per switch closure, as shown by the table.