[SI-LIST] Re: ask for comments on high frequency filter design

If you post your question to the
MTT-8 filters news group you might
get a response.

mtt-8@xxxxxxxxxxxxxxx

Dan

Dan Swanson             EMAIL:  d.swanson@xxxxxxxx
Forem USA                       PHONE:          978-834-4085
37 South Hunt Road      FAX:    978-388-7077
Amesbury, MA  01913


> -----Original Message-----
> From: Wei Zhang [mailto:wezhang@xxxxxxxxxxxxxxx]
> Sent: Tuesday, March 25, 2003 3:46 PM
> To: si-list@xxxxxxxxxxxxx; circuits@xxxxxxxxxxxxx
> Subject: [SI-LIST] ask for comments on high frequency filter design 
> 
> 
> 
> 
> 
> Hi,
> 
> I need some professional comments on filter design, does 
> anyone tell me
> what is the major method applied to design a high frequency 
> filter, say
> center f between 1GHz and 10 GHz. As I read Reinhold Ludwig's 
> "Rf circuit
> design", he explains the methodolgy of filter design as 
> receipe-cooking,
> all kinds of filters can be implemented based on basic lowpass filter,
> such as Butterworth, Chebyshev filter, with frequency and L/C
> transformation. Furthermore, we can use unit elements and Kuroda's
> identities to implement RF filter design. Is this a real 
> practical method
> in RF circuit design? If not, which one do you use? Can you 
> give me some
> detail information?                
> 
> Thanks for your help!
> 
> wei zhang
> 
> 
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