没有反馈电阻的仪表放大器提供精确增益，无论增益多大，放大器的同向和反向输入端提供高输入阻抗。
An instrumentation amplifier offers precise gain without feedback resistors, and, at any value of gain, it provides high input impedances at its noninverting and inverting inputs.
积分 器、光电二极管放大器和高阻抗传感器等器件均可受益于这些特性。
Filters, integrators, photo-diode amplifiers and high impedance sensors all benefit from the combination of performance features.
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。
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.
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。
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.
为了保证系统的稳定性以及减小系统的输出瞬时过冲，本文设计了输出缓冲级来隔离误差放大器的高阻抗输出节点与通路器件的栅极。
To make sure the stability and lower the transient overshoot of the LDO, a buffer stage is used to isolate the pass element and the output of the error amplifier.
仪表放大器电路以其高输入阻抗、高共模抑制比、低漂移等特点在传感器输出的小信号放大领域得到了广泛的应用。
Instrumental amplifiers with high input impedance, high CMRR and low drift are widely used in the small signal amplifying field.
介绍了一种双路高阻抗电化学测试前置放大器的电路设计原理、元件选择、安装调试及其应用。
This paper introduces the circuit design principle, component selection, installment, testing and application of a two-way impedance electric chemical test pre-placed magnifier.
介绍了一种双路高阻抗电化学测试前置放大器的电路设计原理、元件选择、安装调试及其应用。
This paper introduces the circuit design principle, component selection, installment, testing and application of a two-way impedance electric chemical test pre-placed magnifier.
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