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本文介绍用高精度低漂移集成运放和V—MOS功率场效应管组成的恒流源,输出电流大于500mA,且在零到最大输出量间具有线性调节。
This article describes the use of high-precision low-drift integrated op amp and V-MOS power FET composed of a constant current source, the output current is greater than 500mA, and zero to the maximum output with a linear adjustment.