您要查找的是不是：
- high input impedance stage 高输入阻抗级
- The guard amplifier is a unity-gain amplifier with very high input impedance. 保护放大器是一个具有非常高输入阻抗的单位增益放大器。
- A device which has an extremely high input impedance, low switching speed and low power consumption. 一种高输入阻抗、低开关速度及低功耗的半导体器件。
- The device is features very high input impedance, super high CMRR, low noise and wide gain bandwidth. 该放大器具有高输入阻抗、高共模抑制比、低噪声和宽频带等特性。
- An SMU that has a voltmeter with high input impedance and low current source ranges may also be used. 也可以使用具有高输入阻抗的电压表和微电流源的SMU来进行测量。
- EMG amplifier must have high gain, high input impedance, high CMRR and low noise because EMG signal itself is weak and interfered easily. 表面肌电信号本身幅值小、易受干扰，肌电信号放大器要求具有高放大倍数、高输入阻抗和高共模抑制比，同时又具有低噪声特性。
- Residual capacitor voltage can be measured with a source-measure unit (SMU), which must source voltage and then measure voltage with a high input impedance. 电容器上的剩余电压可以用一台源-测量单元（SMU）来测量。此设备必须能够输出电压，然后再以高输入阻抗来测量电压。
- Besides low noise, high input impedance and CMRR,this pre-amplifier features small size, high reliability and stability, no mechanical switched noise, and is suitable for micro-computerized physiologic signal acquisition system. 该电路除了具有低噪声、高输入阻抗和高共模抑制比外，还具有体积小、可靠性高、性能稳定、无机械噪声等优点，适用于微机化和小型生理信息检测系统。
- The connection of a device or circuit in parallel with a transmission line. Usually the bridge circuit has a relatively high input impedance so that it has an insignificant effect on the signals in the transmission line. 将一种设备或电路与传输线并联。通常桥接电路具有较高的输入阻抗,因此传送线上的信号将不受影响。
- high input impedance operational amplifier 高输入阻抗型运算放大器
- high input impedance preamplifier 高输入阻抗前置放大器
- high input impedance charcteristic 高输入阻抗特性
- Dual-band balun has the advantages of high input impedances at two separate bands. 因为双频巴伦具有高输入阻抗的特性于某两个频带上。
- Peak check circuit with high input impedance and feed back system 带反馈检测系统的高输入阻抗峰值检测电路
- 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. 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。
- A device which has an extremely high input impedance, low switching speed and low power consumption 一种高输入阻抗、低开关速度及低功耗的半导体器件。
- 5.The device is features very high input impedance, super high CMRR, low noise and wide gain bandwidth. 该放大器具有高输入阻抗、高共模抑制比、低噪声和宽频带等特性。
- 2.The device is features very high input impedance, super high CMRR, low noise and wide gain bandwidth. 该放大器具有高输入阻抗、高共模抑制比、低噪声和宽频带等特性。
- 6.EMG amplifier must have high gain, high input impedance, high CMRR and low noise because EMG signal itself is weak and interfered easily. 表面肌电信号本身幅值小、易受干扰，肌电信号放大器要求具有高放大倍数、高输入阻抗和高共模抑制比，同时又具有低噪声特性。
- 3.EMG amplifier must have high gain, high input impedance, high CMRR and low noise because EMG signal itself is weak and interfered easily. 表面肌电信号本身幅值小、易受干扰，肌电信号放大器要求具有高放大倍数、高输入阻抗和高共模抑制比，同时又具有低噪声特性。
