A 640-1030 MHz four-pole tunable filter with improved stopband rejection and controllable bandwidth and transmission zeros

A compact 4-pole tunable filter with improved stopband rejection is presented. Three combline resonators are employed, and the coupling between the adjacent and non-adjacent resonators are achieved by tuning varactors. It is shown that with the non-adjacent coupling path, two transmission zeroes at...

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Bibliographische Detailangaben

Hauptverfasser:	Hong-Ming Lee, Rebeiz, Gabriel M.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Band-pass filters Bandwidth Combline filter Couplings Filtering theory Microwave filters Passband Resonator filters transmission zero tunable filter
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