×

Dual receive filter

  • US 20060154635A1
  • Filed: 05/04/2005
  • Published: 07/13/2006
  • Est. Priority Date: 01/11/2005
  • Status: Active Grant
First Claim
Patent Images

1. A pre-processing stage for a receiver of a wireless device, wherein the pre-processing stage comprises:

  • a) an amplifier that receives signals of interest and unwanted signals and provides amplified signals of interest and amplified unwanted signals;

    b) a matching network connected to the amplifier, the matching network being configured for separating the amplified received signals of interest from the amplified unwanted signals in conjunction with additional downstream filters;

    c) a signal path connected to the matching network, the signal path including components for receiving and pre-processing the amplified signals of interest; and

    , d) a shunt path connected to the matching network, the shunt path including components for adjusting reflected energy sent back to the amplifier for limiting the output swing of the amplifier in a frequency band corresponding to the amplified unwanted signals.

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