Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1995-03-16
1996-08-13
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333 11, 333135, 455103, H04B 104, H01P 1213
Patent
active
055460577
ABSTRACT:
An antenna/filter combiner for connecting a plurality of frequency transmission signals to an antenna having an arrangement with n circulators connected in a waveguide with m transmission channels being supplied thereinto via respective combining networks composed of sub-filters to provide a reactance free combination of n.multidot.m transmission frequency channels.
REFERENCES:
patent: 3435358 (1969-03-01), Rheinfelder
patent: 3865990 (1975-02-01), Kuenemund
S. Kazeminejad, et al., Electronic Letters, 16 Jul. 1987, Vol. 23, Nov. 15, p. 812, "Base Station Mutlicoupler Design for UK Cellullar Radio Systems."
A. E. Atla, IEEE Transactions on Microwave Theory and Techniques, Mar., 1974, pp. 332-336, "Computer-Aided Design of Wave Guide Multiplexers."
G. Ensslin, et al., Telecom Report 10 (1987) Special Radio Communications, pp. 146-151, "Channel Branching Filters for Wide Band Radio Relay Systems".
D. Doust, et al. Microwave Journal, "Satellite Multiplexing Using Dielectric Resonator Filters", vol. 32, No. 12 (1989), pp. 93-106.
K. Wada, et al., 15th European Microwave Conference Proceedings, Sep. 9-13, 1985, Paris, France, Microwave Exhibitions and Publishers, Ltd., Tunbridge Wells, GB, 1985, "Wideband Tunable DR VCOO", pp. 407-412.
M. Kunes, et al., 19th European Microwave Confeerence Proceedings, Sep. 4-7, 1990, London, Great Britain, Microwave Exhibitions and Publishers, Ltd., Tunbridge Wells, GB, 1989, "A Digitally Controlled Tunable High Power Output Filter for Space Applicatoins, pp. 681-686".
Gensler Paul
Siemens Aktiengesellschaft
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