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Problem in the design of bandpass filter

 
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yuyangjp



Joined: 08 Jun 2005
Posts: 16
Post16 Nov 2005 14:29   Problem in the design of bandpass filter
Crying or Very sadI am designing a RC continuous time bandpass filter with a tunable cap array. But I find the on resistor of the switch that to control the cap have great influence on the Q and bandwidth of the filter. Will anyone tell me the reason?
Thank you first!
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yuyangjp



Joined: 08 Jun 2005
Posts: 16
Post18 Nov 2005 12:44   Problem in the design of bandpass filter
Any suggestion?
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