Low noise amplifiers for carrier aggregation

CAFC
  • US 9,154,356 B2
  • Filed: 08/21/2012
  • Issued: 10/06/2015
  • Est. Priority Date: 05/25/2012
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a first amplifier stage configured to be independently enabled or disabled, the first amplifier stage further configured to receive and amplify an input radio frequency (RF) signal and provide a first output RF signal to a first load circuit when the first amplifier stage is enabled, the input RF signal employing carrier aggregation comprising transmissions sent on multiple carriers at different frequencies to a wireless device, the first output RF signal including at least a first carrier of the multiple carriers; and

    a second amplifier stage configured to be independently enabled or disabled, the second amplifier stage further configured to receive and amplify the input RF signal and provide a second output RF signal to a second load circuit when the second amplifier stage is enabled, the second output RF signal including at least a second carrier of the multiple carriers different than the first carrier.

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