integrated operational amplifier

A basic construction and operation principle of thyristor trigger circuit which consists of integrated operational amplifier is described and the application of the thyristor trigger circuit in speed control of direct current low power motor is introduced.

叙述了由运算放大器组成的晶闸管触发电路的基本结构、工作原理，并介绍了该触发电路在小功率晶闸管直流调速系统中的应用。

? In order to automatically compensate the load characteristic of potentiometric displacement sensor, a method based on a general purpose integrated operational amplifier and a integrated voltage regulator is studied.

研究了用通用集成运算放大器和正电压可调集成三端稳压器实现电位器式位移传感器负载特性非线性自动补偿的方法。

A sort of thyristor power adjustor is introduced including the modulation circuit with varying cycle and thyristor triggers which are consisted of integrated operational amplifier and time-base circuit respectively.

介绍一种晶闸管调功器，用集成运算放大器组成的变周期调制电路和由时基电路组成的晶闸管触发器。

An Integrated Operational Amplifier with a Wide Temperature Range and Low Drift

宽温区低漂移集成运算放大器

WT5BZ] Author analyzes the expression form of error of integrated operational amplifier circuit, and gives the correct means and specific principle by which the element parameters of peripheral of integrated operational amplifier are selected properly and error of operation are reduced. [ WT5HZ]

分析集成运算放大电路运算误差的表现形式，给出了如何恰当选择集成运算放大器外围元件参数，减小运算误差的合理途径和具体原则。

Mainly through the voltage regulator chip, integrated operational amplifier, a programmable constant current source which is voltage-current mode is designed. When the current of constant current source flows through the gas sensor, the resistance signal of the sensor can turn into standard-voltage acquisition signal.

主要是通过稳压芯片，集成运放设计一个电压转电流型程控恒流源，恒流源的电流流经气体传感器，把传感器的电阻信号转换成标准的电压采集信号。