| 摘要 |
A voltage conversion device has a non-linear gain, for converting analog voltage provided by an analog voltage source. The voltage conversion device comprises a gain decision module, a voltage selection module, and a voltage output module. The gain decision module comprises an analog to digital (A/D) converter and a gain selector. The A/D converter is used for converting analog voltage provided by the analog voltage source into digital signals. The gain selector is used for determining a gain. The voltage selection module is used for outputting a direct-current (DC) voltage. The voltage output module has a first input end coupled to the gain selector, an output end coupled to the gain selector, and a second input end coupled to the voltage selection module, for outputting an amplified result of the DC voltage outputted from the voltage selection module.
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