Phase 90 feedback resistor placement

Started by warioblast, April 23, 2007, 06:15:38 PM

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warioblast

Hi,
:icon_confused: Where is the right place to put the feedback resistor  ? Some schematics show the 22k resistor across 4 stages; from the inverting input of the 1st stage; and others across 3; from the inverting input of the 2nd stage.  >:(
Thx.
Cheers,
Fabrice