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Zolotarev bandpass filters

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1 Author(s)
H. C. Bell ; HF Plus, Chatsworth, CA, USA

Zolotarev rational functions may be used in certain bandpass filter applications for which two narrower passbands are required. Coupled-resonator low-pass prototypes for narrow bandpass filters based on even- and odd-degree Zolotarev functions are synthesized using a transformed variable. Compared to other filters, those with Zolotarev responses have sharper skirt selectivity, resulting in lower passband distortion

Published in:

IEEE Transactions on Microwave Theory and Techniques  (Volume:49 ,  Issue: 12 )