The input comparator in the circuit features a fairly wide range of common-mode voltage, and provides programmable hysteresis input and programmable input/ output delay. 可编程输入输出模式输入比较器有较宽的共模电压范围,有可编程磁滞输入和可编程输入/出延时。
The linear sampling circuit of direct current bus and the hysteresis voltage comparator circuit are confirmed. 确定了直流母线电压线性采样电路以及迟滞电压比较电路。
Moreover, the sub-circuits such as the bandgap reference, the oscillator, the comparator, the modes selecting circuit, the boost convert control circuit and the current regulator are also analysed and designed. 另外论文还对驱动电路内部的带隙基准、振荡器、比较器、模式选择电路、升压转换控制电路和电流调整电路等子模块进行了分析和设计。
We designed a relaxation oscillator with1MHZ frequency and94% duty cycle, which is composed of hysteresis comparator and charge and discharge circuit with constant current. 振荡器采用由迟滞比较器和恒流源充放电电路组成的张弛振荡器(设计频率为1MHZ,占空比为94%)。
Based on the preamplifier-latch fast-compare theory, a novel topology of CMOS preamplifier latch comparator circuit is presented. 基于预放大锁存快速比较理论,提出了一种新型高速低功耗CMOS比较器的电路拓扑。
In ECL/ TTL comparator circuit design, the satisfied voltage range is gained by setting the number of diodes and resistors. 在ECL/TTL比较电路的设计中,通过合理设置电平移位二极管和电阻的个数来达到所要求的电平范围。
Moreover, in the comparator circuit unit, we realize the function-the detection of the number of positive and negative electric pulse. 在比较器电路单元设计方面,实现了分别检测正、负半周的脉冲个数的功能。
In the design procedure, I am responsible for the design and simulation of reference voltage element and oscillator; I have also analyzed and simulated the mode select device, error comparator, logic circuit, protect circuit and power transistor conscientiously. 设计中,本人主要担负基准电压源、振荡器的设计和仿真,对模式选择、误差比较器、逻辑电路、保护电路、功率管也做了细致的分析和仿真;
To cancel the offset-voltage of the comparator, a switch capacitance circuit is used between the three pre-amplifier stages. 三级差分放大器之间采用了开关电容电路耦合的方式,有效地消除了失调电压对比较器精度的影响。
Novel High-Performance CMOS Current Comparator Circuit 一种新型的高性能CMOS电流比较器电路
The main circuit of protection equipment is a fast power electronic switch negatively paralleled on the side of test transformer primary winding, the control circuits are mainly composed of input circuit, amplifier, voltage comparator, timer, forming pulse circuit and strong trigger. 该装置的主电路采用了反并联在试验变压器一次侧的快速电力电子开关,控制电路由信号输入电路、放大电路、电平比较电路、定时电路、脉冲形成电路和强触发电路等组成。
The motor speed driving system uses DSP as controller and uses high-frequency delay-loop current comparator composed of integrated circuit. 设计了以DSP为控制器、集成电路构成高速滞环电流比较器的电机调速系统。
Based on preamplifier-latch theory, a topology structure of CMOS positive feedback comparator circuit with preamplifier is presented, and methods to improve transmit delay time, kick-back noise and input offset voltage of the circuit are described. 基于预放大-锁存理论,提出了一种带1级预放大器的高速CMOS锁存比较器电路拓扑结构;阐述了其传输延迟时间、回馈噪声和输入失调电压的改进方法。
The comparator controlling circuit and detecting circuit are analyzed. 对加热控制电路和检测电路进行了分析;
In this paper, several key circuits, such as frequency discriminating circuit, comparator circuit, trigger circuit, controllable commutation circuit. 本文就频率调节装置中频率测量电路、比较电路、触发器电路及可控整流电路等几个关键电路进行分析。
The usage of bootstrapped MOS switch and double differential dynamic comparator improve the resolution and speed of circuit greatly. The structure of every stage is almost identical, which reducing the difficulty in the design of the circuit. 自举MOS开关和双差分动态比较器的使用,提高了电路的精度与速度,每级电路基本一致,简化了电路设计。
It can be obtained the trace to the source of large direct current with self-balancing DC comparator through self-calibration circuit, addition circuit, compare circuit and multiplication circuit etc. 介绍了用自平衡比较仪通过自校、加法、比较和乘法等校准线路实现直流大电流量值的绝对溯源。
A high speed high resolution clocked comparator circuit in BiCMOS technology is presented. 提出了一种基于BiCMOS工艺的高速高精度时钟控制比较器。
A Sawtooth-Wave Oscillator Circuit based on 1.2 μ m CMOS technology is designed in this paper. On being designed, comparator is regarded as a key circuit, meanwhile, the method of constant current source charging and discharging is used. 以比较器为核心电路,并采用恒流源充放电技术,设计了一种基于1.2μMCMOS工艺的锯齿波振荡电路。
Because of the modulation technology, it makes Sigma-Delta ADC allow to use one bit comparator, and it has simplified the circuit of the analog part greatly. 这种调制技术使得在Sigma-DeltaADC中允许使用一位比较器,这样大大简化了模拟部分电路。
Based on the characteristics of the body surface pressure sensor, the discharge capacitance measuring system TDC choice Wheatstone bridge design and the calculation of equivalent resistance, and external comparator circuit. 根据车体表面压力传感器的特征,进行TDC测量系统的放电电容选择,惠斯通电桥的设计与等效电阻的计算,以及外部比较器电路的设计。
Based on System-level, the design of the modulator corresponding interface circuits includes integrator 、 comparator 、 clock circuit 、 digital noise cancellation logic unit and other modules. 在系统级设计的基础上,设计了调制器相应的接口电路,主要包括积分器、比较器、时钟电路、数字噪声抵消逻辑单元等模块。
The command data can be picked through a simple comparator circuit added to the power-conversion circuit in the primary converter. 在高电位端控制信号通过在能量变换电路中增加一个比较器电路被提取出来。
Based on analog comparator algorithm, the circuit has advantages of simple and low-cost. 基于模拟比较器算法采集电路,具有电路简单,成本低廉的优点。
The dynamic comparator is adopted to eliminate the power dissipation, the large offset of the dynamic comparator can be eliminated by digital correction circuit. 设计中采用了动态比较器来降低功耗,其较大的失调误差可以通过数字校正电路进行校正。
In order to ensure the high performance of the discriminator, we have chosen the ultra-high-speed comparator for the ECL circuit technology. 为了保证甄别器的高性能,我们选择了ECL电路工艺的超高速比较器。
For circuits design, the thesis designs a switch capacitor comparator circuit 、 a two stage amplifier 、 a digital correction circuit and a clock pump-up circuit. 在具体的电路设计中,主要研究设计了一个开关电容比较器、一个两级运算放大器、数字校正电路和一个时钟提升电路。
In the receiving part, select the APD as receiving media converter parts, completed the design of the bias voltage circuit, preamplifier circuit, main amplifier circuit and comparator circuit, then Analysis the methods of time identification. 在接收部分,选用雪崩光电二极管作为接收光电转换器件,实现了偏置电压电路、放大电路以及比较电路的设计并分析了时间鉴别方法。
Then each module of the chip is analyzed and designed, in which several important modules including the regulator circuit, the reference circuit, error amplifier, oscillator, current control module, PWM comparator, dead-time control circuit, slope compensation and protection circuit. 然后对芯片的各个模块进行了分析和设计,其中几个重要的模块包括稳压电路,基准电路,误差放大器,振荡器,电流采样模块,比较器、死区时间控制电路、斜坡补偿和保护电路等。
Folding structure ADC has the high speed characteristic, by means of analog preprocessing circuit to reduce the number of comparator and the circuit complexity, at the same time, it reduces the power and chip area. 折叠结构模数转换器有着高速的结构特性,同时,它利用模拟预处理电路减少了模数转换器中比较器的数目和电路的复杂性,有效降低了电路的功耗和面积。