静电计的输入偏置电流是很低的。
在测量高电阻源时要考虑的另一个问题是电压表的输入偏置电流。
Another consideration when measuring voltages from high resistance sources is the input bias current of the voltmeter.
仪器内部电路和内部的偏移电压会在仪器的输入端引起输入偏置电流。
The input bias current flows at the instrument input due to internal instrument circuitry and the internal bias voltage.
静电计是一个理想的库仑计，因为它具有非常低的输入偏置电流和很高的输入电阻。
An electrometer makes an ideal coulombmeter because it has very low input offset current and high input resistance.
必须谨慎选择绝缘方法和使用保护电位，必须使用输入偏置电流为微微安级的放大器。
You must carefully choose insulation and apply guarding potentials, and you must use an amplifier with picoampere input-bias currents.
否则，传感器电容和放大器的输入偏置电流电阻，对仪表放大器的信号施加相位偏移。
Otherwise, the sensor's capacitance and the amplifier's input-bias-current resistors impose a phase shift on the signal you apply to the instrumentation amplifier.
如图2 - 2所示，输入偏置电流(IBIAS)在源电阻(RS)上产生了误差电压。
As shown in Figure 2-2, the input bias current (IBIAS) develops an error voltage across the source resistance (RS).
低失调、低噪声、极低的输入偏置电流和高速度特性相结合，使这些放大器适合各种应用。
The combination of low offsets, low noise, very low input bias currents, and high speed make these amplifiers useful in a wide variety of applications.
输入偏置电流可以通过盖上(capping)输入连接器并选择最低的电流量程来决定。
Input offset current can be determined by capping the input connector and selecting the lowest current range.
再者，所用的放大器也要考虑在加到输入端的整个共模电压(范围内)输入偏置电流转换保持平滑。
Again, consider using AMPLIFIERs that exhibit a smooth input bias current transition throughout the applied input common-mode voltage.
虽然输入偏置电流是这种误差的常见来源，但是外电路产生的电流在源电阻上形成的电压降也能引起误差。
Although input bias current is a common source of this type of error, currents generated by external circuits can also result in errors due to voltage drops across the source resistance.
减小探测光输入功率，选取短波长探测光波长，增加半导体光放大器的腔长和模场限制因子以及大的偏置电流可提高转换光消光比；
Meanwhile extinction ratio of converted signal can be improved with low probe power, short probe wavelength, long cavity length, high confinement factor, and large biased current.
通过参数设定、输入电压相位计算、控制算法实现和开关接口等环节设计，实现了输入电流偏置角动态调整的控制策略。
In order to study the strategy of input current modulation, the simulation model of matrix converter under unbalanced input is built with MATLAB.
同时几个皮安的输入电流会产生很大的电压偏置误差。
Also, input currents are typically many picoamps, creating large voltage offsets.
第一种控制策略使输入电流矢量与输入电压矢量保持固定偏置角。
The first one is based on keeping the input current vector in phase with the input voltage vector.
第一种控制策略使输入电流矢量与输入电压矢量保持固定偏置角。
The first one is based on keeping the input current vector in phase with the input voltage vector.
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