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(Obsolete) Quadrature Hybrid (Closed Form): QHYB



This element is OBSOLETE and is replaced by the Quadrature Hybrid (Closed Form) QHYB2 element.


Name Description Unit Type Default
ID Name Text U1
R Port resistance Resistance 50 ohm
COUPL Coupling DB 3 dB
LOSS Excess loss DB 0 dB

Implementation Details

Implements an ideal quadrature coupler with the following 4-port S-parameter matrix, where all ports have the resistance R. (The notations on the symbol are correct: transmission and coupling phases are -90 and 0 degrees, not -90 and -180 degrees, as you might expect.)

the transmission term T is given by

and the coupling term C is given by



This element does not have an assigned layout cell. You can assign artwork cells to any element. See “Assigning Artwork Cells to Layout of Schematic Elements” for details.


R ≥ 0.01 Required

COUPL ≥ 0.001 Required

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