Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1987-03-19
1989-01-17
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333202, 333206, H01P 512
Patent
active
047990333
ABSTRACT:
A microwave separator for separating a microwave signal to those having frequencies included in two frequency bands by means of a first band pass filter intended for the low frequency band and a second filter intended for the high frequency band, characterized in that said first band pass filter is of the comb line type and that said second band pass filter is of the coaxial type in which plural coaxial type resonators are connected one another in series through capacitors. As the result, microwave signals can be reliably separated at two adjacent frequency bands without any signal loss and the return losses of the band pass filters can be improved accordingly.
REFERENCES:
patent: 3617954 (1971-11-01), Levy et al.
patent: 4121181 (1978-10-01), Nishikawa et al.
patent: 4246555 (1981-01-01), Williams
patent: 4427953 (1984-01-01), Hudspeth et al.
patent: 4431977 (1984-02-01), Sokola et al.
patent: 4660004 (1987-04-01), Jachowski
Igarashi Sadao
Ueno Moriaki
Alps Electric Co. ,Ltd.
Gensler Paul
Shoup Guy W.
Winters Paul J.
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