Multichannel transmitter combiners employing cavities having low

Details Multichannel transmitter combiners employing cavities having low Multichannel transmitter combiners employing cavities having low

1993-09-07

1995-08-08

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333134, H01P 512

Patent

active

054402816

ABSTRACT:
A multichannel combiner includes a plurality of input ports for connection to associated transmitters, narrow bandpass filters associated with each port, and an output port for connection to an antenna system. The output impedance of the filters is selected to be substantially lower than that used in conventional combiners, such that undesired reactance produced in the combiner over its operating range is much reduced. The combiner further includes an impedance transformer to match the low output impedance of the filters to the design impedance of the antenna system.

REFERENCES:
patent: 3124768 (1964-03-01), Tilston
patent: 3332038 (1967-07-01), Stanley et al.
patent: 4375622 (1983-03-01), Hollingsworth et al.
patent: 5034707 (1991-07-01), Kagstrom

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