Spectrum Control, Inc.

James R Callaway

Mark W Ingalls

John Williams

A directional coupler having (a) a first coupled microstrip section having a first terminus (T) and a second terminus (T), (b) a second coupled microstrip section having a first terminus at Tand a second terminus (T), and (c) a first phase-velocity-compensating capacitor connected across the conductors of the microstrip sections at Tis disclosed. The coupler also may include a second phase-velocity-compensating capacitor connected at T, and a third phase-velocity compensating capacitor connected across the conductors at T

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Melbourne, FL, United States of America

James R Callaway