Universal tuner for mobile TV

Universal tuner for mobile TV

A tuner for use in mobile television devices comprises at least one RF front end component comprising a LNA adapted to amplify mobile television signals; a PLL circuit to generate signals; and a pair of mixers to receive the signals from the LNA and the PLL circuit and downconvert the signals; an an...

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Hauptverfasser: Abdelgany, Mohy, Carr, Frank, Elwan, Hassan, Fahim, Amr, Youssoufian, Edward
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Sprache:eng
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creator Abdelgany, Mohy
Carr, Frank
Elwan, Hassan
Fahim, Amr
Youssoufian, Edward
description A tuner for use in mobile television devices comprises at least one RF front end component comprising a LNA adapted to amplify mobile television signals; a PLL circuit to generate signals; and a pair of mixers to receive the signals from the LNA and the PLL circuit and downconvert the signals; an analog baseband component connected to the RF front end component, wherein the analog baseband component comprises I and Q channel signal paths each comprising a tunable high order impedance filter; at least one signal amplification stage; and a signal filter stage connected to the signal amplification stage, wherein the analog baseband component further comprises a plurality of switches operatively connected to the I and Q channel signal paths, and wherein the plurality of switches are selectively opened and closed in multiple configurations in order to allow the tuner to receive mobile TV signals for all mobile TV standards.
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title Universal tuner for mobile TV
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