Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1982-07-21
1984-06-19
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333204, 333205, 333235, 333246, H01P 1203, H01P 708
Patent
active
044555407
ABSTRACT:
A band-pass filter comprising n principal linear resonators open at both their extremities, has integrated therewith a band suppressor function by means of p auxiliary linear resonators (p being an integer comprised between 0 and n+1), tuned to a frequency which is to be rejected and respectively connected to p resonators of the n principal resonators at a point situated close to the middle of the principal resonator in question.
REFERENCES:
patent: 2196272 (1940-04-01), Peterson
patent: 2248751 (1941-07-01), Frankel
patent: 2945195 (1960-07-01), Matthaei
Reiter et al., "Stripline Filters with Coupled .lambda./8 Line Sections", 1973 European Microwave Conference, vol. I, Brussels, Belgium (Sep. 4-7, 1973), 4 pages.
IEEE Transactions on Microwave Theory and Techniques, vol. MTT-22, No. 5, May 1974; pp. 499-504.
Archiv fur Elektronik und Ubertragungstechnik, vol. 29, No. 11, Nov. 1975, pp. 461-464.
IEEE Transactions on Microwave Theory and Techniques, vol. MTT-22, No. 12, Dec. 1974, pp. 1312-1316.
Henriot Marie C.
Janer Patrick
"Thomson-CSF"
Nussbaum Marvin L.
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