RF transmitter having broadband impedance matching for multi-band application support
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United States of America Patent
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Sep 1, 2015
Grant Date -
May 22, 2014
app pub date -
Jan 27, 2014
filing date -
Dec 23, 2011
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Abstract
Systems and methods are provided for a broadband, closed-loop RF transmitter for multi-band applications that employs a single RF path to service multiple bands of operation. Embodiments of the present disclosure implement a broadband impedance matching module, which avoids the need for several costly and complex narrow-band matching networks. In an embodiment, the broadband impedance matching module includes concentric, mutually-coupled inductors. By adding this broadband impedance matching functionality, delay is significantly reduced because a single path can be used to service multiple bands.
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