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From: pgc@csadfa.cs.adfa.oz.au (Phil Clark)
Newsgroups: sci.electronics
Subject: Re: Switched Filters
Summary: Re:Switched Filters
Message-ID: <2082@ccadfa.adfa.oz.au>
Date: 20 Nov 90 22:46:52 GMT
References: <17100009@inmet>
Sender: news@ccadfa.adfa.oz.au
Lines: 29

In article <17100009@inmet>, erich@inmet.inmet.com writes:


> Given some input signal which passes through a high speed switch
> and then through a low pass filter.
> 
>   in ______./ .______/\/\/\_______ out
>           switch     res     |
> 			    | |cap
> 			    | |
> 			     |  
> 			   ____
> 			   /// 

> If	the switch is turned on and off by some control line at a constant
> 	frequency Fsw.

> Any comments on this type of system would be helpful.
> I would simulate it on Pspice but no longer have a copy.

I would suggest that you have a look at National Semiconductor data books for
chip types MF4 to MF10 - various types of switched capacitor filters.



Phil Clark               Department of Computer Science,        Phone: 
(VK1PC)                  Australian Defence Force Academy,      +61 6 268 8157
Email:                   Northcott Drive, Campbell,             Fax:
pgc@csadfa.cs.adfa.oz.au Canberra, Australia, 2600.             +61 6 268 8581