Nonreciprocal circuit element

Details Nonreciprocal circuit element Nonreciprocal circuit element

1995-05-11

1997-06-10

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 242, H01P 1383

Patent

active

056380321

ABSTRACT:
A high-performance, small-sized nonreciprocal circuit element whose isolation characteristics are improved by making the reactances of the central electrodes uniform for every port. The circuit element may have a multilayer substrate with three ceramic sheets. Three central electrodes are formed on these sheets, respectively. The sheets are placed on top of each other so that the central electrodes make angles of 120 degrees with respect to each other. The strip widths and/or the strip spacings in the central electrodes are set separately so as to provide uniform reactances for the individual ports.

REFERENCES:
patent: 3334318 (1967-08-01), Nakahara et al.
patent: 3789324 (1974-01-01), Iwase et al.
patent: 5498999 (1996-03-01), Marusawa et al.
European Search Report dated Sep. 11, 1995.

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