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AREA-OPTIMIZED ANALOG FILTER WITH BANDWIDTH CONTROL BY A QUANTIZED SCALING FUNCTION
AREA-OPTIMIZED ANALOG FILTER WITH BANDWIDTH CONTROL BY A QUANTIZED SCALING FUNCTION
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机译:通过量化比例函数实现带宽度控制的面积优化模拟滤波器
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摘要
A programmable active frequency-selective circuit includes a first capacitor having a fixed value and a second capacitor having a value defined by a product of a parameter and a plurality of switchable capacitors, wherein the parameter is defined by a gain, a bandwidth mode, and a process resolution. The parameter may be stored in a form of a look-up table and enables a user or manufacturer to program the gain, select the bandwidth mode and tune the process. The frequency-selective circuit may include a differential input and a differential output having a first feedback path connected across a positive output terminal to a negative input terminal and a second feedback path connected across a negative output terminal and a positive input terminal.
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