详细信息，参见IOLS静态低电平输出电流。
See IOLS static low-level output current for further information.
逻辑信号从高电平到低电平的转换被称为下降沿。
A transition in a logic signal from a logic high to a logic low is referred to as a falling edge.
当时钟变为低电平时，IC 3产生一个计数输出。
本节阐述可能影响低电平测量准确度的重要环境因素。
This section addresses important environmental factors that may affect the accuracy of low level measurements.
本章给出吉时利公司能够提供的各种低电平仪器的概览。
This section provides an overview of low level instruments available from Keithley.
数字微波低电平系统用于控制超导腔的RF相位和幅度。
The digital LLRF system is used to control the RF phase and amplitude inside the superconducting cavities.
此输出缓冲器可快速地将输出电压切换为低电平和高电平。
The output buffer has ability of switching the output voltage to be low level and high level in high-speed.
本文主要研究触点带低电平负载时，继电器的动态接触特性。
This paper focuses on the dynamic contact characteristic of relay in low-duty load performance.
这是自动的情况下，如果设备不舒展scl信号低电平期间。
This is automatically the case if the device does not stretch the LOW period of the SCL signal.
正确理解仪器的技术指标对于做好低电平测量工作是十分重要的。
Knowing how to interpret instrument specifications properly is an important aspect of making good low level measurements.
设备检查数据线，如果是低电平，那么控制器从系统接收数据。
The auxiliary device checks the 'data' line. If the line is inactive, the controller receives data from the system.
Sourcing数字输出通过三极管控制连接线上的高低电平。
The digital output controls the line by using a transistor to leave the line at 0 V or to raise the line to +V.
最后，讨论了频谱仪本地噪声对低电平信号测量影响的修正方法。
At last, correction method of low level signal measurement is discussed duo to effect of spectrum analyzer floor noise.
辅助设备(指键盘)检查时钟线，如果时低电平，禁止发送数据。
The auxiliary device checks the 'clock' line. If the line is inactive, output from the device is not allowed.
开始送丝后，焊接电源输出低电平，熔滴依靠送丝动量向熔池过渡。
When the wire being stopping, the welding power outputs high level voltage with wire burning back and forming a liquid weld metal drop.
变为高电平，然后立即变为低电平，这表示从设备芯片已经装备好。
Thefirst time CSn goes low, MISO goes high and then low again immediately, indicating that the chip is ready.
麦克风、电贝司(低音吉它)、和电子音响设备，特殊的也有低电平输出。
Microphones, bass guitars, and electric - acoustic instruments, also typically have low - level outputs.
高低电平在瞬间的变换是很正常的，如果没有这条语句，系统很容易出错。
High level in the instant transformation is very normal, if not this statement, the system is very easy to make a mistake.
承载高测试电压的导体也应该采用屏蔽，以防止与邻近的低电平电路发生干扰。
Shielding may also be applied to a conductor carrying a high level test voltage to prevent interference with nearby low level circuits.
随后，在预先设定的有效延时时间后，其从低电平有效复位回到高电平状态。
Subsequently, after a predetermined time-out-active period, it goes back to the high state in an active-low reset.
在测量仪器上附加电流和电压源功能，为各种低电平测量应用提供了额外的灵活性。
Adding current and voltage sourcing capabilities to a measuring instrument provides an extra degree of versatility for many low level measurement applications.
以下各段将讨论在进行低电平测量时对电缆和测试夹具的要求以及常用的连接器类型。
The following paragraphs discuss cable and test fixture requirements and types of connectors generally used when making low level measurements.
反相器响应低通滤波器的大于或者小于阈值电平的输出，输出处于高或低电平的信号。
An inverter responses the output of a level greater than or smaller than a threshold value of the low pass filter, and outputs a signal in a high level or a low level.
说明：红外接收处理，根据外部波形记录波形的高低电平时间，从而得到波形数据。
Infrared receiver processing, according to the external waveform waveform record high and low times, resulting waveform data.
对于特定的信号类型，例如低电平或高频率，则不宜使用模拟背板，以避免造成信号劣化。
For certain signal types, such as low level or high frequency, the analog backplane should not be used to avoid possible signal degradation.
然而，依照本发明可替换实施例，在数字信号处于逻辑低电平状态时，脉冲也可指时间周期。
However, according to alternative embodiments of the present invention, a pulse can refer to a period of time when a digital signal is in a logic low state.
结合笔者从事计算机测控系统的研发实践，介绍一种测量“低电平宽量程电压信号”的自动测量方法。
Combining with the practical research and development of the computer measure and control system, the paper introduces an automatic method to measure the "low-level and wide-range voltage signals".
Sinking数字输出通过三极管来控制连接线上的电平为高电平(+V)或是低电平(0 V)。
The sinking digital output controls the line by using a transistor to leave the line high (at + v) or to ground the line to 0 v.
研究了利用频谱仪射频衰减、分辨带宽、视频带宽和视频平均的方法，提高和改善低电平信号的测量精度。
Improving measurement accuracy of low level signal is studied using RF attenuation, resolution bandwidth, video bandwidth, and video average.
研究了利用频谱仪射频衰减、分辨带宽、视频带宽和视频平均的方法，提高和改善低电平信号的测量精度。
Improving measurement accuracy of low level signal is studied using RF attenuation, resolution bandwidth, video bandwidth, and video average.
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