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Inline Combline Filters of Order N With up to N + 1 Transmission Zeros.
- Source :
- IEEE Transactions on Microwave Theory & Techniques; Jul2021, Vol. 69 Issue 7, p3287-3297, 11p
- Publication Year :
- 2021
-
Abstract
- In this article, we describe several alternative inline implementations for combline filters with transmission zeros (TZs) located both below and above the passband. A systematic design procedure is also presented using a lumped-element equivalent circuit. Following the design procedure that we propose, up to $N+1$ TZs can be implemented with an inline filter of order $N$. The generation of the TZs is explained physically in terms of mixed inductive and capacitive couplings. Several filters are also manufactured and tested. Good agreement between the measured and simulated results is demonstrated, thereby fully validating the new filter concepts. [ABSTRACT FROM AUTHOR]
- Subjects :
- TRANSMISSION zeros
MICROWAVE filters
AIR filters
Subjects
Details
- Language :
- English
- ISSN :
- 00189480
- Volume :
- 69
- Issue :
- 7
- Database :
- Complementary Index
- Journal :
- IEEE Transactions on Microwave Theory & Techniques
- Publication Type :
- Academic Journal
- Accession number :
- 151283203
- Full Text :
- https://doi.org/10.1109/TMTT.2021.3072370