An analog maximum power point tracking (MPPT) controller integrated circuit (IC) based on open-circuit voltage method was proposed to enhance the photovoltaic conversion efficiency of solar cell.

为提高光伏电池的光电转换效率，设计一种基于开路电压法的光伏电池最大功率点跟踪(MPPT)控制芯片。

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We used a monlithic Integrated circuit AD536 which performs ture rms-to-dc conversion. This paper describes the principle of the PTCR remainder current instrument with AD536.

我们使用了真有效值转换集成芯片AD536研制成功PTCR残余电流测试仪，本文叙述了该仪器的原理。

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An RF front-end circuit for a fully integrated CMOS DTV tuner is presented in this paper, where double-conversion low IF architecture is employed.

该电路采用二次变频低中频结构，集成了低噪声放大器、上变频混频器、下变频混频器等模块。

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