查询词典 sample and hold circuit

Sample and hold circuit is an indispensable important circuit block, which almost determines the performance of the whole A/D converter.

采样保持电路作为模数转换器的必不可少的关键单元，很大程度上决定了ADC的性能。

In sample and hold circuit and Multiplying DAC, a gain-boosting op amp was used to insure the speed and precision of the Switch-capacitor circuit.

在比较器设计时，采用了前置放大器加动态锁存器的结构，达到了较快的速度，并减小了回程脉冲效应。

Sample and Hold Circuit The sample and hold circuit is used to take a narrow-band measurement of a time-changing signal and to hold that measured value until reset.

采样保持电路采样保持电路，是用一个窄波段测量时间变化的信号，并认为测值，直至复位。

A sample and hold circuit (10,50) is arranged to operate in a plurality of states including at least one sample state and a hold state to sense the current flowing through the sense cells (4) when in the at least one sample state but not in the hold state.

取样保持电路(10，50)设置成在多个状态工作以在至少一个取样状态而不是保持状态读出流经读出单元(4)的电流，其中所述多个状态包括至少一个取样状态和保持状态。

Sample and Hold circuit; Sample-switch; Operational Amplifier; Charge Injection

采样保持电路；采样开关；运算放大器；电荷注入

The circuit utilizes charge redistribution technique and consists of analog function blocks such as operational amplifier with feedback, sample and hold circuit and logic discrimination circuit, etc.

该混沌函数以电压作为迭代变量，电路采用了负反馈形式的运放、采样保持电路和逻辑判断电路等模块，并运用了电荷再分配技术。

In the course of developing the hardware system, the circuits diagram is finished by the mean of EDA software. On the basis of analyzing function of hardware circuit, choose the AT89C51 as single chip microprocessor. Filter and amplifier circuit, sample and hold circuit, Analog-to-Digital conversion circuit, watchdog circuit, out port control circuit and power supply circuit were designed.

在硬件系统研制过程中，应用EDA软件完成电路原理图的设计，分析了硬件系统的各个组成部分及其功能，选用ATMEL公司的AT89C51单片机作为微处理器，设计了滤波放大电路、采样／保持电路、A／D转换电路、看门狗电路、输出控制电路以及电源电路。

Detailly,signals of background magnetic field is filtered by fixed frequency of sample and hold circuit which is supplied by logic circuit,and the signals before objects appear are tracked dynamically which are then compared with the ones after objects appear by comparator circuit,in order to furthest obtain the signals of target magnetic field on the basis of background magnetic field compensation.

运用逻辑脉冲电路为采样保持电路提供固定频率滤除背景磁场信号，并对目标未出现时的信号进行动态跟踪，运用比较电路将目标出现前后的信号进行比较，从而在补偿背景磁场的基础上最大限度地获得目标磁场的信号。

To reduce the area of the layout,we use one-stage OP-AMP in the ROIC,and the sample and hold circuit shared by pixels in a column is also applied instead of sample and hold circuit in every pixel.

本设计采用电容反馈互阻抗放大器结构作为输入级，列共用方式的采样保持电路，源级跟随器作为输出级，用移位寄存器来控制行、列选通并控制电路工作的时序。

The chip consists of a power mos, mode select circuit, driving circuit, and two series of controller circuit. The controller consists to the active current sensing circuit, sample and hold circuit, hysteresis current comparator, voltage to current converter, error amplifier and non-overlap circuit.

晶片包含一组功率电晶体、模式选择电路、驱动电路及二组控制电路，控制电路主要架构有主动式电流感测电路、取样保持电路、磁滞电流比较电路、电压对电流转换电路、误差放大器及非重叠电路。

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。