| 摘要 |
A system for providing a desired power to a load. The system includes: a current detection module configured to generate a current signal based on a current flowing through the load; a voltage detection module configured to generate a voltage signal based on a voltage across the load; a multiplier module configured to generate an output signal based on an analog multiplication of i) the current signal and ii) the voltage signal; a comparing module configured to perform a comparison of the output signal to a power reference signal, wherein the power reference signal is based on the desired power; and a voltage source configured to control the voltage across the load based on the comparison of the output signal to the power reference signal.
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