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Apparatus, system, and method for up converting electromagnetic signals

  • US 7,107,028 B2
  • Filed: 10/12/2004
  • Issued: 09/12/2006
  • Est. Priority Date: 04/14/2000
  • Status: Expired due to Term
First Claim
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1. An apparatus for up-converting an electromagnetic signal, comprising:

  • a first and second amplifier each having a first, second and third port; and

    a first, second, third and fourth switching device each having a first, second and third port, whereinthe second ports of the first and second amplifiers are electrically coupled together,the third port of the first amplifier is electrically coupled to the first ports of the first and second switching devices,the third port of the second amplifier is electrically coupled to the first ports of the third and fourth switching devices,the second ports of the first and fourth switching devices are electrically coupled together, andthe second ports of the second and third switching devices are electrically coupled together, and whereina first switching signal is applied to the third ports of the first and third switching devices, anda second switching signal is applied to the third ports of the second and fourth switching devices.

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