| Summary: | 碩士 === 國立交通大學 === 電信工程系所 === 96 === This thesis uses standard CMOS 0.18μm process technique to design and realize a stable voltage reference which does not change with temperature. In the recent years, battery-operated systems are used extensively. Along with this tendency, we demand low-power, small-area, and high performance when designing circuits. Many analog circuits need a stable voltage reference, so the thesis shows a low-power and small-area voltage reference to apply in battery-operated systems. Proposed circuits work in weak inverse region to replace the bipolar devices in conventional circuit and using proposed circuits realize CMOS voltage reference which does not change with temperature. Its power consumption only has several hundred nano-Watt and its area is only several hundred squre nanometer. In addition, the voltage derivation only has several dozens milli-Volt when temperature range is from -80℃ to 165℃. Therefore, proposed architectures can supply a stable voltage reference in battery-operated systems.
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