Combined with wide band current feedback amplifier, FET input circuit and programmable circuit, variable gain amplification circuit with high speed and high input impedance is designed.

并以宽带电流反馈运算放大器为核心，辅以FET输入电路及程控电路构建了高速高输入阻抗可变增益放大电路。

youdao

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.

采用高阻、低漂移运放t LC 2254组成高阻差动放大电路用于酸度电极信号测量。

youdao

This paper discussed the technical data of a amplifier-distributor and some measures that have been adopted in order to realize these data, such as low-noise, high-input impedance, etc.

本文介绍了分配放大器的技术指标及保证这些技术指标所采取的低噪声、高阻抗等具体措施。

youdao