Synthesis and Realization of Multisection Tandem Stripline Bandpass Filters

Autor:	G. Saulich
Rok vydání:	1982
Předmět:	Physics Radiation business.industry Iterative method Stopband Condensed Matter Physics Topology Optics Band-pass filter Filter (video) Power dividers and directional couplers Electrical and Electronic Engineering Network synthesis filters business Passband Stripline
Zdroj:	IEEE Transactions on Microwave Theory and Techniques. 30:1375-1380
ISSN:	0018-9480
DOI:	10.1109/tmtt.1982.1131263
Popis:	A bandpass filter is described which is made up of two identical multi-element coupled symmetrical striplines in tandem connection. For the filter, a precise synthesis procedure is presented reducing the design to the synthesis of a directional coupler. The required equal-ripple polynomials are calculated by an iterative method. Relations for the polynomial extreme values are provided, derived from the attenuation requirements in passband and stopband. On the basis of this procedure the coupling factors of two 21-element filters are calculated and realized three-layer polyolefin. Measurements show good agreement with theoretical results.
Databáze:	OpenAIRE
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