Filtering apparatus and method for multiband radio

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9668300
APP PUB NO 20170064773A1
SERIAL NO

14839189

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A portable radio provides operation in LTE and LMR radio bands. Improved filtering in the LTE receive path is provided through the use of a linear duplexer and a SAW filter. The SAW filter is implemented as a duplexer with one port terminated to provide a filter for the LTE RX path. The linear duplexer and SAW filter provide filtering for an LMR TX signal and an LTE TX signal which are simultaneously present at an LTE antenna of the radio. The linearity of the linear duplexer which reduces LTE TX and LMR TX signal levels combined with the selectivity of the SAW filter prevents intercept intermodulation in the LTE RX path.

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First Claim

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Patent Owner(s)

  • MOTOROLA SOLUTIONS, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Henry W Palatine, US 7 137
Mosher, Timothy S Harvard, US 1 6

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