Direct- and Quarter-Wave-Coupled Microwave Band-Pass Filters with Adjustable Transmission Characteristics and Fixed Center Frequencies

Direct- and Quarter-Wave-Coupled Microwave Band-Pass Filters with Adjustable Transmission Characteristics and Fixed Center Frequencies

A theoretical study of the properties of "constant-phase" two-ports is presented which leads to a simple experimental synthesis technique for a broad class of microwave band-pass filters. "Constant-phase" two-ports consisting of modified step-twist-junctions are employed in exper...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1964-01, Vol.12 (1), p.73-77
1. Verfasser: DeLoach, B.C.
Format: Artikel
Sprache:eng
Schlagworte:
Band pass filters
Bandwidth
Fasteners
Filtering theory
Frequency synthesizers
Machine shops
Microwave filters
Microwave theory and techniques
Waveguide discontinuities
Waveguide junctions
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Zusammenfassung:A theoretical study of the properties of "constant-phase" two-ports is presented which leads to a simple experimental synthesis technique for a broad class of microwave band-pass filters. "Constant-phase" two-ports consisting of modified step-twist-junctions are employed in experimental multiple cavity direct-coupled filter configurations which have the unique property of continually adjustable bandpass characteristics and fixed center frequency. These experimentally obtained characteristics are predicted from the theory.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1964.1125754