输入电压

Parameter Supply Voltages Positive Supply Voltage Negative Supply Voltage Logic Supply Voltage Ground Voltage Differential Input Voltages Input Common-Mode Voltage Differential Input Voltage Input Voltage, Latch Controls Output Output Current Temperature Operating Temperature, Ambient Operating Temperature, Junction Storage Temperature Range

参数电源电压正电源电压负电源电压逻辑电源电压接地电压差分输入电压的输入共模电压差动输入电压输入电压，输出电流输出锁存器控制温度工作温度，环境温度，联合贮藏温度范围

SUPPLY VOLTAGE,+VS to CVS OUTPUT CURRENT, within SOA POWER DISSIPATION, internal INPUT VOLTAGE, differential INPUT VOLTAGE, common mode TEMPERATURE, pin solder-10s TEMPERATURE, junction1 TEMPERATURE RANGE, storage OPERATING TEMPERATURE RANGE, case

0第0页，本页显示记录0-0，共0条记录分0页显示电源电压+比CVS的输出电流，在SOA的耗散功率，内部输入电压，差分输入电压，共模温度，焊针- 10温度，junction1温度范围存储操作温度范围，案件

Parameter RESOLUTION Offset Error Gain Error Differential Nonlinearity Integral Nonlinearity TEMPERATURE DRIFT Offset Error Gain Error POWER SUPPLY REJECTION RATIO ANALOG INPUTS1 Differential Input Voltage Range Differential Input Resistance Differential Input Capacitance Input Bandwidth VSWR 2 POWER SUPPLY 3 Supply Current IAVCC (AVCC = 5.0 V) IEVCC (EVCC = 3.3 V) IVDD (VDD = 3.3 V) Total Power Dissipation 4

参数解决方案偏移误差增益误差微分非线性积分非线性温度漂移偏移误差增益误差电源抑制比1模拟输入；差分输入电压范围差分输入电阻电容输入带宽差分输入电压驻波比2电源3电源电流IAVCC（AVCC = 5.0五）IEVCC（EVCC = 3.3伏） IVDD（VDD的= 3.3伏）总功率耗散4

As a DC/DC basic structure is adopted, the operational amplifier leads the non inverting input end voltage of the error amplifier to follow the input voltage linearly, thus realizing the linear following relation between the output voltage and the input voltage.

由于采用DC/DC的基础结构，增加运算放大器使误差放大器的同相输入端电压与输入电压线性跟随，从而实现输出电压与输入电压的线性跟随关系。

The invention discloses a DC/DC circuit, comprising a PWM controller, a current amplifier, a peak current comparator, an error amplifier, a main switch, a synchronous switch and also an operational amplifier. The non inverting input end of the operational amplifier is used for coupling with input voltage or voltage reference, or used for coupling with the input voltage and the voltage reference; the inverting input end of the operational amplifier is used for coupling with the voltage reference or ground, and the output end thereof is connected with the non inverting input end of the error amplifier.

本发明公开了一种DC/DC电路，包括PWM控制器、电流放大器、峰值电流比较器、误差放大器、主开关和同步开关；还增设运算放大器，其同相输入端用于与输入电压或基准电压耦合，或用于同时与输入电压和基准电压耦合；其反相输入端用于与基准电压或地耦合，其输出端与所述误差放大器的同相输入端连接。

This ideal input current will make sure nearly with between phase and undistorted wave of input voltage.

为了提高用电设备的效率以及减少所造成的谐波污染，在本文中提出了一个高效能的主动功率因数校正电路，本架构是以电压电流以及负载的关系，将输入电压以及输出负载经由运算后得到理想的输入电流，使得输入电流几乎与输入电压同相位且无失真，藉此消除输入电压与输入电流之相位差与电流失真，以减少电力的虚功消耗以及谐波成份。

The programme through the transformer transformer, through the rectifier circuit filter circuit which will be AC into DC, and the adoption of the regulation by regulators more stable voltage, input voltage regulator when it can only be fixed when the voltage difference within the scope of regulation of the output voltage, and therefore out of voltage difference in the scope of automatic Diaodang, it is through the two comparator output voltage and the reference voltage comparison, and through the counter counting function control relay controller The input to determine the size of the output voltage at which the scope, and then automatically Diaodang.

该方案是通过变压器变压，再经过整流电路、滤波电路进而将交流电变为直流电，在通过稳压器的稳压得到较稳定的电压，由于稳压器当输入电压固定时只能在它的电压差范围内调节输出电压，、所以要在调出电压差的范围时自动调档，这是通过两个比较器将输出电压和基准电压进行比较，再通过计数器的计数功能控制继电器控制器的输入情况来判断输出电压的大小在哪个范围，然后进行自动调档。

Therefore, the exact relation between the unbalanced input voltage and the noncharacteristic harmonics of the output voltage in the 12-pulse rectifier system is obtained. In addition, the relation between the input current and the imbalance of the input voltage is obtained, which could help to choose the filter elements and exactly analyze the characteristics of the no controlled rectifier circuit.

利用精确的开关函数，推导了多脉波整流系统输入不平衡电压与输出电压非特征谐波的精确关系，进而得到电阻、电感负载时系统输入电流与输入电压不平衡度的关系，为精确地选择滤波元件做了有意义的探索。

For improve altogether mould inhibit than,in before the high altogether mould inhibit output altogether mould voltage feedback to shouldering by ends public of power also among the amplifiers than instrument in grade, make it put power voltage until mould input voltage float , setover voltage follow mould inputs the voltage into together very much each altogether not to transport, thus improved together mould inhibit to.

为提高共模抑制比，在前级高共模抑制比仪器放大器中还将输出共模电压反馈到正负电源的公共端，使运放电源电压随共模输入电压浮动，各极偏置电压都跟踪共模输入电压，从而提高了共模抑制比。

Operational Tran conductance lifers and Grounded actorhas become one of the most important methods to implement integrated continuous-time filters. Operational Tran conductance Amplifierscan transfer input voltage into current to output,and control or change output current within large range by an external controlling current of amplifier. Most articles consider OTA as a voltage-mode circuit component and give voltage-to-voltage transfer function of all having been implemented filter circuits,i.e. The input signal and output signal of filter circuits are voltages .

运算跨导集成运算放大器OTA ( Operational Tran conductance Amplifier 以下简称跨导运放)的功能是将输入电压转换为电流输出，并通过外加偏置电流控制运放的工作电流，从而使它的输出电流在较大范围内变化，而在大多数文献中，器件都被作为电压模式元器件使用实现的各种滤波电路都是按传送电压比给出的，即滤波电路输入信号和输出信号均为电压信号。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。