UHF band semi-lumped active notch filter

This paper presents a novel semi-lumped active notch filter that has been designed under high constraints of cost, performance and size. The filter comprises lumped elements, interconnecting transmission lines and an active capacitance circuit. The aim of this work is to reduce at the same time the...

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Bibliographic Details
Published in2010 Asia-Pacific Microwave Conference pp. 841 - 844
Main Authors Tong, D L H, Le Naour, J.-Y, Robert, J.-L, Louzir, A
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2010
Subjects
active filter
Band pass filters
Band reject
bipolar transistor
Capacitance
Insertion loss
Low pass filters
Microwave filters
negative resistance
notch filter
Resonator filters
semi-lumped circuit
UHF band
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Summary:This paper presents a novel semi-lumped active notch filter that has been designed under high constraints of cost, performance and size. The filter comprises lumped elements, interconnecting transmission lines and an active capacitance circuit. The aim of this work is to reduce at the same time the filter size and the insertion loss, while keeping a high notch depth. The proposed concept is applied to the design of a filter in the upper UHF band, using a very low-cost FR4-based substrate.
ISBN:9781424475902
1424475902
ISSN:2165-4727
2165-4743