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Multi-band amplifier

  • US 6,501,331 B2
  • Filed: 03/29/2001
  • Issued: 12/31/2002
  • Est. Priority Date: 06/03/1996
  • Status: Expired due to Term
First Claim
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1. A multi-band amplifier circuit comprising:

  • a plurality of amplifiers, each amplifier comprising at least one amplifying stage, being configurable to receive an input signal within a particular frequency band, and forming part of a monolithic integrated circuit;

    a plurality of impedance matching networks, each impedance matching network being coupled to a corresponding one of the plurality of amplifiers, and each impedance matching network providing a predetermined impedance within the frequency band for the corresponding amplifier, wherein at least a portion of each of the plurality of impedance matching networks also forms part of the monolithic integrated circuit; and

    a control circuit coupled to each of the plurality of amplifiers for selectively enabling one of the amplifiers and disabling the remaining amplifiers in response to at least one control signal.

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