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Apparatus for voltage regulation and recovery of signal termination energy

  • US 6,236,193 B1
  • Filed: 06/06/2000
  • Issued: 05/22/2001
  • Est. Priority Date: 10/07/1999
  • Status: Expired due to Fees
First Claim
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1. An apparatus for regulating the intermediate voltage planes of a system relative to an upper power supply voltage plane, the apparatus transferring energy, which is normally wasted or dissipated during the termination of an electrical signal, from an intermediate voltage plane to an upper power supply voltage plane, the apparatus comprising:

  • a control circuit operable to accept a plurality of input signals and to produce a desired output signal;

    an energy store and an energy transfer mechanism, the energy store and the energy transfer mechanism being operable to allow the control circuit to control the timing and amount of any transfer of energy from the energy store;

    a feedback circuit coupled to the upper power supply voltage plane and providing input to the control circuit; and

    a voltage inverting circuit coupled to the intermediate voltage plane and providing input to the control circuit.

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