The major shortcomings of CMOS Digital Integrated Circuit concentrate on two primary parameters: input current and supply current.
CMOS数字集成电路的各种缺陷集中地反映在输入电流和电源电流这两个参数上。
This paper analysis the relation between CMOS IC power current and IC chip defects,it introduces the new test method of IDD frequency spectrum test theory,and the test frame of IDD frequency spectrum graphics test.
分析了CMOS集成电路电源电流与集成电路芯片缺陷的相关性,介绍了CMOS集成电路新的测试方法--IDD频谱图形测试方法的测试原理,以及实现CMOS集成电路IDD频谱图形测试的测试框图。
The Development of direct current converter of the mine electric locomotive;
矿用电机车直流电源变换器的发展
The supply of direct current and electrolyte equipment were designed.
设计了直流电源及电解液供给两套设备,为了保证电解珩磨质量对其主要工艺参数,如电极间隙、电解珩磨压力、珩磨头、磨条特性和电解液的确定进行了理论分析和现场实验研究,取得了很好的效果。
A design method for charge equipment of direct current power supply based on microprocessor for small power plants and power substation is introduced in this paper.
介绍用于小型发电厂或变电站的一种微机型直流电源充电装置的设计方法,并对主回路、控制回路及控制软件进行了研究:主回路使用半桥式功率变换电路,输出整流采用全桥式电路,降低了快恢复二极管反向耐压要求;控制回路为微机型高频脉宽调制电路,设计有IGBT驱动保护电路;控制软件根据电力工业局要求的充电控制流程对蓄电池组进行冲电过程的控制,采用PID控制算法。
This paper introduces a constant current power supply used for middle and mini type electrostatic precipitators, its basis is LC resonance theory and its manipulative kernel is chip microcomputer.
介绍了一种用于中小型静电除尘器的恒流电源。
To meet the needs of the onsite analysis further,an integrative constant current power supply for a TC-EAAS was developed based on single chip microcomputer (SCM).
为进一步满足现场分析的需要,以单片机为芯片,为小型钨丝电热原子吸收光谱仪的空心阴极灯和钨丝电热原子化器设计稳定的一体化恒流电源;并编写PC机的控制软件,以USB或RS232方式与电源通信,方便控制空心阴极灯和钨丝电热原子化器电流,以及原子吸收过程。
Application of double-commutating redundancy DC power supply system in pumping station;
双整流器组冗余型直流电源系统在泵站中的运用
Application of substation DC power supply remote monitoring system in Shizuishan Power Supply Bureau;
变电站直流电源远方监控系统在石嘴山供电局的应用
The power signal source is capable of providing a stable AC power source with variable amplitude and variable frequency covering a wide range.
研究了一种基于TMS320F2812数字控制的变频调压交流电源设计,应用TMS320F2812控制DC/DC和DC/AC两级,通过两级联合调节实现高精度的宽范围变频调压交流电源。
Research on Shunt Active Power Filter based on Supply Current Control Method
电源电流控制的并联有源电力滤波器研究
AC current or voltage source. DC offset can be specified.
交流电流源或电压源。可指定直流偏移。
Operation From DC Power Supply: Batteries.
使用直流电源:干电池。
Low voltage DC power is also provided for control power and emergency power.
低压直流电作控制电源和应急电源。
Laser Power Supplies, Module Power Supplies, Fully-encapsulated Power/ Voltage/ Current Transformers.
固体激光电源、导体激光电源、块电源、装式电源变压器、压电流互感器。
Research on Whole Parameter Equivalent Transform between Voltage Source Circuit and Electric Current Source Circuit;
电压源电路和电流源电路的全参数等效变换
Resistance thermometer bridges may be excited from either a-c or d-c sources.
电阻温度计电桥的供电可以是交流电源,也可以是直流电源。
Vacuum tubes require DC voltage sources as well.
真空电子管也要求以直流电压为电源。
clock, master, battery, accumulator or mains powered
主时钟,由电池、蓄电池或交流电源驱动
Analysis and design of EMC in electrochemistry rectifying power supply
电化学整流电源电磁兼容分析与设计
Combined Power Supply System for Electronic Current Transformer;
电子式电流互感器的组合式电源系统
Research on Electric Power Operation DC Power System in Transformer Substation;
变电站电力操作直流电源系统的研究
Design of Power Supply for Electric Current Transformer on High Voltage Side;
电子式电流互感器高压侧电源的设计
Novel current sensing circuit for monolithic Buck power management
用于Buck型电源芯片的电流检测电路
DC current or voltage source. Magnitude of AC component can be specified.
直流电流源或电压源。可指定交流分量的大小。
Considerations of Electric Power Flow and Power Sources Construction in China;
我国电力能源流动及电源建设的思考
circuit design, wiring diagrams, schematics, AC/DC sources
电路设计, 接线图, 示意图, 交流/直流电源
Automatic exchange for DC and AC supply.
直流电源与交流供电能自动转换。
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