Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1984-05-25
1987-01-20
LaRoche, Eugene R.
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333235, H01P 1203
Patent
active
046382712
ABSTRACT:
A method is provided for adjusting the electrical characteristics and particularly the frequency of a microstrip-line printed filter with distributed constants. The method consists in depositing a strip of dielectric material on all the microstrip resonators of the filter.
REFERENCES:
patent: 3617955 (1971-11-01), Masland
patent: 4157517 (1979-06-01), Kneisel et al.
patent: 4218664 (1980-08-01), Assal et al.
patent: 4243960 (1981-01-01), White et al.
patent: 4288530 (1981-09-01), Bedard et al.
patent: 4488131 (1984-12-01), Griffin et al.
IEEE Transactions on Microwave Theory and Techniques, vol. MTT-26, No. 9, Sep. 1978 (New York, US) D. Paolino, "MIC Overlay Coupler Design Using Spectral Domain Techniques," pp. 646-649.
Jecko Jean-Rene
Motola Marcel
"Thomson-CSF"
LaRoche Eugene R.
Lee Benny T.
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