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Efficient charge pump apparatus

  • US 20030146783A1
  • Filed: 03/10/2003
  • Published: 08/07/2003
  • Est. Priority Date: 02/12/2001
  • Status: Abandoned Application
First Claim
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1. A charge pump, comprising:

  • a charge pump input capable of receiving a high frequency signal;

    a plurality of stages parallel connected to said charge pump input, each stage having a first capacitor connected between said charge pump input and a central node, a first diode having an anode coupled said central node and a cathode coupled to a second node, a second diode having an anode coupled to said second node in a prior stage and a cathode coupled to said central node, a second capacitor connected between said second node and ground, a third diode having an anode connected to said central node and a cathode coupled to ground; and

    a charge pump output coupled to said second node in a last stage of said plurality of stages.

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