Go to www.awrcorp.com
Back to search page Click to download printable version of this guide.

(Obsolete) Quadrature Hybrid (Closed Form): QHYB

Symbol

Summary

This element is OBSOLETE and is replaced by the Quadrature Hybrid (Closed Form) QHYB2 element.

Parameters

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

where

Layout

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.

Restrictions

R ≥ 0.01 Required

COUPL ≥ 0.001 Required

Legal and Trademark Notice