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Method and system for configuring a tower top low noise amplifier

  • US 7,831,213 B1
  • Filed: 11/30/2007
  • Issued: 11/09/2010
  • Est. Priority Date: 11/30/2007
  • Status: Expired due to Fees
First Claim
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1. A method of controlling a tower-top low noise amplifier (TTLNA) comprising:

  • configuring a TTLNA to the transmit mode by removing a low noise amplifier (LNA) from a receive signal path, wherein removing the LNA from a receive path includes grounding an input of the LNA and terminating the output of the LNA;

    at a TTLNA receive duration timing circuit, detecting a start of a radio frequency (RF) transmit signal and an end of an RF transmit signal and responsively generating a receive mode control signal;

    configuring a TTLNA to the receive mode by placing the LNA into the receive signal path in response to detecting the end of the RF transmit signal; and

    returning the TTLNA to the transmit mode in response to the receive mode control signal generated at the TTLNA in response to the receive duration timing circuit.

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