单运放 meaning in English

lm741j

Abstract this paper gives two kinds of single operational amplifer ? current - mode active filter circuits . they can realize lowpass , highpass and ? bandpass without changing circuit topology and element
摘要提出两种使用单运放的电流型滤波电路,每种电路均可同时实现带通、低通和高通滤波功能
A resolution method in software is applied to calibrate zero point and full scale of the circuit . software approach to nonlinear correction for sensor and circuit is presented . therefore system error is eliminated , and measurement accuracy of temperature is improved . the signal of acidity electrode is detected by a differential amplifier circuit , which consists of operational amplifiers tlc2254 with high input impedance and low drift
采用桥路和单运放差动放大电路对温度传感器信号检测放大，软件校正温度传感器和测量电路的非线性，软件校准测量电路的零点和满度，消除测量电路的系统误差，提高补偿温度的测量精度；采用高阻、低漂移运放tlc2254组成高阻差动放大电路用于酸度电极信号测量。