Circuit arrangement

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United States of America Patent

PATENT NO 9929850
SERIAL NO

14779267

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A circuit arrangement includes an antenna port, a first receiving port, a second receiving port, a first transmission port, and a second transmission port. A number of 90 degree hybrids are configured to transfer an input signal into two output signals that are phase shifted relative to each other. Two quadplexers each include a first duplexer and a second duplexer. The quadplexers and the 90 degree hybrids are interconnected such that a leakage signal travelling from one of the transmission ports to one of the receiving ports destructively interferes at the receiving port.

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Patent Owner(s)

  • SNAPTRACK INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ellä, Juha Halikko, FI 15 178
Schmidhammer, Edgar Stein an der Traun, DE 83 1358

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