×

Universal tuner for mobile TV

  • US RE44,551 E1
  • Filed: 10/04/2012
  • Issued: 10/22/2013
  • Est. Priority Date: 04/19/2007
  • Status: Active Grant
First Claim
Patent Images

1. A tuner for use in mobile television communication devices, said tuner comprising:

  • at least one radio frequency (RF) front end component comprising;

    a low noise amplifier (LNA) adapted to amplify mobile television communication signals;

    a phase-locked loop (PLL) circuit adapted to generate signals; and

    a pair of mixers adapted to receive the signals from said LNA and said PLL circuit and downconvert the received signals;

    an analog baseband component operatively connected to said RF front end component, wherein said analog baseband component comprises an I channel signal path and a Q channel signal path, and wherein each of the I and Q channel signal paths comprise;

    a tunable high order impedance filter;

    at least one signal amplification stage; and

    a signal filter stage operatively connected to said at least one signal amplification stage,wherein said analog baseband component further comprises a plurality of switches operatively connected to said I and Q channel signal paths, andwherein said plurality of switches are selectively opened and closed in multiple configurations in order to allow said tuner to receive mobile TV communication signals for all mobile TV standards.

View all claims
  • 32 Assignments
Timeline View
Assignment View
    ×
    ×