Pseudo‐elliptic bandstop filter with 1:2:3 harmonic ratio stubs

By employing open circuited stubs with a length ratio of 1:2:3 separated by three unit elements, it is shown that a pseudo‐elliptic frequency response can be obtained with a compact structure. It has an electrical performance comparable to that of a Cauer filter, but is realisable in etched form for...

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Veröffentlicht in:	Electronics letters 2013-01, Vol.49 (2), p.130-132
1. Verfasser:	Malherbe, J.A.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	1:2:3 harmonic ratio stub Applied sciences band‐stop filters Cauer filter Circuit properties Electric, optical and optoelectronic circuits electrical performance Electronics elliptic filters Exact sciences and technology harmonics Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits passive filters pseudoelliptic bandstop filter pseudoelliptic frequency response
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Beschreibung
Zusammenfassung:	By employing open circuited stubs with a length ratio of 1:2:3 separated by three unit elements, it is shown that a pseudo‐elliptic frequency response can be obtained with a compact structure. It has an electrical performance comparable to that of a Cauer filter, but is realisable in etched form for very wide bandwidths and very high rates of cutoff.
ISSN:	1350-911X 0013-5194 1350-911X
DOI:	10.1049/el.2012.3695