Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1981-12-02
1984-10-16
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333204, 333219, H01P 1203, H01P 710
Patent
active
044777850
ABSTRACT:
A generalized dielectric resonator filter is disclosed for the realization of the most general transfer function characteristics of band-pass filters using cylindrical dielectric resonator discs in a microstrip transmission line configuration. The dielectric resonator filter of the invention has electrical properties comparable to conventional waveguide filters, but has a much smaller volume and mass, and is thus very attractive for use in the construction of input multiplexers of communications satellite transponders.
REFERENCES:
patent: 2749523 (1956-06-01), Dishal
patent: 3840828 (1974-10-01), Linn et al.
patent: 3973226 (1976-08-01), Affolter et al.
patent: 4360793 (1982-11-01), Rhodes et al.
Williams et al.--"Dual-Mode Canonical Waveguide Filters", IEEE Trans. on Microwave Theory and Techniques, vol. MTT-25, No. 12, Dec. 1977; pp. 1021-1026.
Communications Satellite Corporation
Nussbaum Marvin L.
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