Electronics > Projects, Designs, and Technical Stuff
AGC without phase shift
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sanwal209:
Hi,

I am looking for a circuit or IC which takes 0.5Vp-p to 1Vp-p sinewave and it outputs sinewave 1Vp-p without phase shift.

Background is we need to downgrade mains AC 110V to 220V to constant voltage sinewave without phase shift.

Best Regards
Sanwal Saleem
Audioguru:
An ordinary AGC circuit using a Jfet produces no phase shift.
sanwal209:
Can you please refer me to some schematics?
DaJMasta:
Pretty much any analog AGC will do the job, right?  And if your signal is only 50Hz or 60Hz, your tolerance for phase shift is MASSIVE before anything is noticeable, so virtually any AGC will work.
sanwal209:
I have tried to simulate couple of AGC in Tina TI but it does introduce phase shift
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