In order to ensure A phase and B phase circuits are symmetric, digital potentiometer X9C503 with exterior pressed key in the feedback amplification circuit is designed.
在反馈放大电路设计时，采用数字电位器X9C503与外部按键配合，达到了A、B两相电路的对称性。
The TTL video signal from PC is converted into R, G, B video signals through PC video interface circuit.
来自个人计算机（PC）的TTL视频信号由PC视频接口电路转换成R、G、B视频信号。
The row pulse signal forming circuit generates a row pulse signal B.
行脉冲信号形 成电路产生行脉冲信号B。
It is confirmed by the experiments that this revised circuit has an accurate trigger point, wider range, higher preciseness of time-phase and b...
经实验证实，该电路触发点准确，具有更高的时相精度、宽的触发范围和很好的稳定性。
Through the exportation electric circuit of the exterior, the principal axis a, B, Z pulse was sent out to the measured numerical control system.
通过外部的输出电路，把产生的主轴a、B、Z脉冲发送到被测的数控系统。
An emission control circuit for controlling emission of r, g, B el elements and method for driving an organic light emitting diode display using the same.
一种用于控制r、G、BEL元件的发光的发光控制电路以及利用所述电路驱动有机发光二极管显示器的方法。
B. The circuit control and protection is strictly in accordance with that of SIEMENS. The characteristics are mature and reliable technologt, easy maintenance and less faults.
采用西门子原线路控制与保护，最大的特点成熟可靠、维修方便故障少。
This paper presents the principle of a meter for measuring B value of the NTC thermistor. According to this principle, a microprocessor-based circuit diagram is designed.
本文介绍一种负温度系数热敏电阻器B值测量的原理，并根据此原理设计出了基于单片机的实现电路图。
Granule morphology of granulated blast furnace slag powders prepared with vertical mill (GBFS-V) and close circuit ball mill (GBFS-B) respectively were observed with SEM.
采用扫描电镜对球磨高炉矿渣粉体和立磨高炉矿渣粉体的颗粒形貌进行了观察。
The magnetic induction intensity distribution B is obtained by solving its magnetic vector potential A distribution of current-carrying circular circuit in anisotropic medium.
提出一种求解各向异性磁介质中电流磁场的新方法，通过求解各向异性磁介质中圆电流环的磁矢势A分布，求出其磁感应强度B分布。
WVS-12 (B) Series Sleeve-Type Indoor High-Voltage Vacuum Circuit Breaker has passed the following tests to ensure the safe operation.
型系列套筒式户内高压真空断路器已经通过了以下的各种试验，可以确保其安全运行。
WVS-12 (B) Series Sleeve-Type Indoor High-Voltage Vacuum Circuit Breaker has passed the following tests to ensure the safe operation.
型系列套筒式户内高压真空断路器已经通过了以下的各种试验，可以确保其安全运行。
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