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Old 4 weeks ago
  #4
Gear Head
 
mskala's Avatar
 

It'll click anyway - that's what turning a signal on or off suddenly means. But you could probably hide most of the click by putting the output through a low-pass filter, and if you really must have no power supply, one or two stages of basic passive RC filtering (resistor in series, capacitor in parallel) would make sense. Something like the attached.
Attached Thumbnails
Converting GATE/CV to audible pulse-screenshot_2019-10-08_13-46-32.png