N-port coupler

Details N-port coupler N-port coupler

H - Electricity

01

P

333/9

H01P 5/18 (2006.01)

Patent

CA 1205152

ABSTRACT: A n-port high frequency coupler comprising, to link opposite ports (10a, 10c) and (20a, 20c), n-trans- mission line-stubs (10b, 10d and 20b, 20d) having a width less than the width of the ports and connected at one side to the corresponding port and electrically interconnected in their other end in a central zone (40) of the coupler, and superimposed symmetrically upon these line-stubs a resonant transmission line loop to realize with them a n-zone capactive couplings. The loop having a width which is substantially equal to the width of the ports and a cir- cumference such that the resonant frequency is situated just below the passband of the coupler. This n-port coupler is used in directional couplers and passive power dividers.

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