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what type analog filter fit low frequency narrow band filter


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sjyatou



Joined: 18 Dec 2003
Posts: 26


Post01 Sep 2006 7:47   

what type analog filter fit low frequency narrow band filter


continue_time filter bandpass
center frequency 455kHz
passband:12kHz
stopband:24kHz
op filter or gm_c filter
wish expert give me some suggest about this
thank you!
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Post01 Sep 2006 7:47   

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gte582w



Joined: 31 Aug 2006
Posts: 96
Helped: 7


Post01 Sep 2006 22:17   

Re: what type analog filter fit low frequency narrow band fi


For such low frequency, you don't need Gm-C.
Go for Active-RC for the best DR performance.
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