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Wideband RF amplifiers

  • US 7,944,307 B2
  • Filed: 03/19/2009
  • Issued: 05/17/2011
  • Est. Priority Date: 03/19/2009
  • Status: Active Grant
First Claim
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1. An electronic device for amplifying an input signal, the device comprising:

  • a first amplifying module for amplifying a first signal to produce a first amplified signal, the first amplifying module being directly connected to a first DC voltage source; and

    a second amplifying module for amplifying a second signal to produce a second amplified signal, the second amplifying module being directly connected to an electrical ground;

    wherein the first and second amplifying modules are stacked between the first DC voltage source and the electrical ground, wherein the stacked amplifying modules employ DC feedback to establish a stable DC operating point, resulting in the proportional division of the first DC voltage across the stacked amplifying modules.

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