Multi-section velocity compensated microstrip directional coupler

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United States of America Patent

PATENT NO 8587388
SERIAL NO

12703500

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Abstract

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A directional coupler having (a) a first coupled microstrip section having a first terminus (T1) and a second terminus (T2), (b) a second coupled microstrip section having a first terminus at T2 and a second terminus (T3), and (c) a first phase-velocity-compensating capacitor connected across the conductors of the microstrip sections at T2 is disclosed. The coupler also may include a second phase-velocity-compensating capacitor connected at T1, and a third phase-velocity compensating capacitor connected across the conductors at T3.

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Patent Owner(s)

  • SPECTRUM CONTROL,INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Callaway, James R Melbourne, US 1 3
Ingalls, Mark W Spring, US 5 94
Williams, John Milford, US 176 1217

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