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System and method for providing switch size management in a DC-DC converter circuit for a RF power amplifier using an output voltage reference signal
System and method for providing switch size management in a DC-DC converter circuit for a RF power amplifier using an output voltage reference signal
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机译:使用输出电压参考信号在RF功率放大器的DC-DC转换器电路中提供开关尺寸管理的系统和方法
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摘要
A system and method are disclosed for providing switch size management in a direct current to direct current (DC-DC) converter circuit for a radio frequency (RF) power amplifier. An output voltage reference signal is provided to a DC-DC converter that comprises a first switch circuit and a second switch circuit. The output voltage reference signal is compared to a threshold voltage. If the output voltage reference signal is lower than the threshold voltage, control circuitry selects a first switch size. If the output voltage reference signal is higher than the threshold voltage, then the control circuitry selects a second switch size. Selecting an appropriate switch size improves the operating efficiency of the DC-DC converter.
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