Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1998-01-26
1999-11-02
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333246, H01P 1203
Patent
active
059778474
ABSTRACT:
A microstrip band elimination filter is disclosed, that comprises a microstrip main line 1 that is bend in a rectangular shape, and 1/4.lambda. stubs 2, 3, and 4 that are vertically connected to the microstrip main line 1 at intervals of 1/4.lambda., the edge of each of the 1/4.lambda. stubs 2, 3, and 4 being bent.
REFERENCES:
patent: 3343069 (1967-09-01), Tsuda
patent: 3875538 (1975-04-01), Minet et al.
patent: 4074214 (1978-02-01), Aichholzer
patent: 4999596 (1991-03-01), Nakatani et al.
Ham Seungsook
NEC Corporation
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