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Schematics for a soft on/off switch.   Picture is courtesy of: ?

Soft ON/OFF switch

Using a CD4047

Courtesy/Thanks to: ?

Description: A simple design for making a "soft" ON/OFF Switch. Used in audio applications to get rid of the click that sometimes occur when turning audio equipment on and off. Very common i DIY circuits... :)

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Files
soft_onoff_switch.gif
   Schematics for a soft on/off switch.
soft_onoff_switch.gif
   Schematics for a soft on/off switch.
Parts used
SL100
   General Purpose Medium Power NPN Transistor
HEF 4047
   Monostable/astable multivibrator