The electrical signal is amplified electronically, with an increase in signal power occurring at the expense of the input AC power to the amplifier.
电信号被用电子的方法放大，即利用输入放大器的交流电能将信号的功率放大。
As the frequency of the AC component increases, the DC meter response decreases, until at some frequency only the average input voltage will be displayed.
当交流分量的频率增加时，直流仪表的响应就会变得不够快，直到在某一频率时，仪表只能显示出输入电压的平均值。
The test system uses an AC drive system which provides direct coupled input to the test item.
该系统使用一个交流驱动系统用于向测试对象提供直接耦合输入。
High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
If the AC voltage at the input is large, part of this signal is rectified, producing an error in the DC signal being measured.
如果输入端的交流电压很大，其一部分信号被整流，于是在被测的直流信号中产生了误差。
The rectifier is supplied by the normal AC input.
整流器是所提供的正常交流输入。
MPS700 series dc voltage constant-current power supply, is designed by using linear series MOSFET control mode of the ac input dc output power.
MPS700系列直流稳压稳流电源，是采用MOSFE T线性串联调整方式设计的交流输入直流输出电源。
When the load is on the bypass ac input, the user can transfer back to the inverter by pressing the on button.
当负载输入的旁路交流，用户可以调回逆变器上按下按钮。
Table 2: List the AC input operating frequency range. The power shall work normally and meet all electrical requirements throughout this range.
表格2：列举AC输入频率范围，在此频率范围内，电源应正常工作并符合所有电气性能要求。
Both theoretical analysis and experimental results show that the AC DC converter has high efficiency over a wide range of input voltage.
理论分析和实验结果表明，该转换器可以在较宽的输入电压范围内获得较高的转换效率。
The paper gives two kinds of approaches to measure the ripple current in input current of DC-DC converter or DC-AC inverter.
文中叙述了直流—直流变换器或直流—交流逆变器输入电流中纹波电流的二种测量方法。
For worldwide usage the adapter accepts AC input voltage of 90 - 264 volts.
可用于全球范围，能够接受交流输入电压90-264伏特。
If the input dimming comes from a microcontroller, the power from the AC line needs to be appropriately managed.
如果用微控制器进行输入调光，那么必须对AC线路电力加以适当管控。
The single AC power input voltage frequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced - very stable, pure sine wave.
该电源输入单一交流电压和频率，内部经过交流对直流；直流对交流的变流整流转换后，自行产生-非常稳定纯净的正弦波。
The system consists of the AC input stage, single phase PFC, main inverter, output low-pass filter, auxiliary power supply, and load current sharing circuit, etc.
整个电源由输入电路、功率因数校正器、主逆变器、输出滤波电路、辅助电源、均流电路等部分组成。
And the load sharing control of the input stage is also analyzed by the AC and DC hybrid parallel system with several EPTs.
并以多台ept交直流母线混合并联系统为基础分析了并联ept的输入级控制策略。
These inverters use an AC to controlled DC converter on the input side.
这些换流器使用在输入一边接通到可控直流换流器的交流电。
AC input module reliability, suitable for oil mist and dust environment of the poor.
交流输入模块可靠性好，适合于有油雾、粉尘的恶劣环境下使用。
The main circuit parameters mainly contain AC-side input inductor, DC-side output capacitor, given output voltage of the DC-side.
主电路参数主要有交流输入侧电感值、直流输出侧电容值、给定的直流输出侧电压等。
Overload, AC input abnormal, Low battery, Failure.
超载，交流输入不正常，低电池，故障。
It can achieve a fixed output of DC voltage in the universal input range of ac 80 ~ 265 V. It owns the advantages of high efficiency, low total harmonic distortion, PF near to 1.
该方案能在80 ~ 265V宽输入电压范围内得到稳定直流电压输出，具有效率高、总谐波畸变率低、功率因数接近为1等特点。
This specification describes a full range AC input voltage switching power .
本开关电源具有宽范围的交流输入电压。
To calibrate the circuit, first disconnect or obscure the input photodiode so that A1A converts no ac signal.
为校准电路，首先断开或使输入光敏二极管变暗，以便A 1 A转换非交流信号。
AC line input or battery operation - portable for a variety of test locations.
AC线路输入或电池操作-可携式的测试不同地点。
AC coupled input signals can be shifted to a predetermined level, with an onboard clamp circuit (AD9200ARS, AD9200KST).
利用片上箝位电路(ad9200ars、AD9200KST)，可以使交流耦合输入信号偏移到预定电平。
The simulation and experimental results show that this system can restrain harmonics of three-phase rectifier of AC-side input current, reduce the output voltage ripple and decrease the volume.
仿真和实验结果表明该系统能够有效抑制三相整流电路交流侧输入电流的谐波，降低输出电压纹波，减小整机体积。
The CTR series offers UL approved AC output ratings of 25 amps per channel at 600 VAC, AC or DC input control, zero voltage or random turn on, and IP20 touch safe construction with integral heat sink.
该CTR系列产品提供具有UL认证的交流额定输出功率为每通道25安培，在600伏交流电，交流或直流输入控制下，零电压或随机打开，具有IP20触摸安全构造和内部散热器。
It is recommended that AC input motor and driver systems, which are compatible over a wider range of operating conditions than DC input systems, be considered for your application.
我们建议，交流电机和驱动系统的输入，这是在一个比直流电输入系统的工作条件更广泛兼容，可为您的应用考虑。
Since this converter can accommodate an input voltage up to 23V, it is also suitable for the operation via an AC adapter.
由于此转换器可容纳至23V输入电压，它也适合通过一个AC适配器的运作 。
Since this converter can accommodate an input voltage up to 23V, it is also suitable for the operation via an AC adapter.
由于此转换器可容纳至23V输入电压，它也适合通过一个AC适配器的运作 。
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