Power control circuit
The invention relates to a power control circuit comprising a multi-level resistor network negative feedback input stage, a duty ratio modulation module, and a power limit detection module. The input end of the multi-level resistor network negative feedback input stage is connected with the input en...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to a power control circuit comprising a multi-level resistor network negative feedback input stage, a duty ratio modulation module, and a power limit detection module. The input end of the multi-level resistor network negative feedback input stage is connected with the input end of a gain stage. The input end of the duty ratio modulation module is connected with the output end of the multi-level resistor network negative feedback input stage, and the output end of the duty ratio modulation module is connected with the output end of the gain stage. A first input end of the power limit detection module is connected with the output end of the duty ratio modulation module, a second input end is connected with a power limit threshold signal, a first output end is connected with the control end of the multi-level resistor network negative feedback input stage, and a second output end is connected with the control end of the duty ratio modulation module. According to the power control circuit o |
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