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Optimized multi-LNA solution for wideband auxiliary inputs supporting multiple bands

  • US 10,199,996 B2
  • Filed: 06/02/2017
  • Issued: 02/05/2019
  • Est. Priority Date: 06/02/2017
  • Status: Active Grant
First Claim
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1. A low noise amplifier integrated circuit (LNAIC) comprising:

  • a first low noise amplifier (LNA) having an input and an output;

    a second LNA having an input and an output;

    a first input select switch having at least two inputs, at least one input being an auxiliary (AUX) input, the input select switch configured to couple at least one of the inputs to the first LNA input; and

    an second input select switch having at least two inputs, including at least one AUX input, the second input select switch configured to couple at least one of the inputs to the second LNA input;

    wherein the AUX input of the first select switch is coupled to the AUX input of the second select switch.

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