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Design >> Analog Design >> help switched-capacitor filter
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Message started by hong on Aug 3rd, 2009, 7:46pm

Title: help switched-capacitor filter
Post by hong on Aug 3rd, 2009, 7:46pm

hi everyone:
I design Elliptica low pass filter , pass band frequecny 260hz
pass band riggple 1db, stop band frequecny 300hz,
stop bnad attenuation 35db

why do I filter out (f_out),have to 6ms stable?

Is't OP phase margin, SR. ?

thank your help

Title: Re: help switched-capacitor filter
Post by hong on Aug 3rd, 2009, 7:47pm

it's waveform

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