Energy device analysis and evaluation

  • US 6,411,098 B1
  • Filed: 12/08/1998
  • Issued: 06/25/2002
  • Est. Priority Date: 03/27/1996
  • Status: Expired due to Term
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First Claim
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1. A system for determining the polarization voltages developed in response to an excitation signal applied to a device, the system comprising:

  • a controlled-current source configured for connection to a first terminal of the device;

    a controlled-voltage source configured for connection to a second terminal of the device, wherein the controlled-voltage source is configured to provide self-centering and auto-polarity for the system;

    a sensor configured, to sense a voltage across the device and to produce a sensor signal in response to the voltage sensed across the device, and a controller connected to the controlled-current source, the controlled-voltage source, and the sensor, the controller being configured to determine polarization voltages in response to the sensor signal.

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