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Re: High-Amplitude High-Frequency Oscillations in 7704A LV Regulator


 

The values of R32117 and C32119 are setting the open loop bandwidth and phase margin but the tolerance is not critical.
What current through R32139 do you get when pressing BEAM FINDER? Also check the base-emitter voltage of Q32137 when pressing the BEAM FINDER!
Or we might be barking up the wrong tree?
G?ran

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