电路

Every sub-circuit is designed reasonably according to the principle and character of PWM switching converter, such as: bandgap, error amplifier, oscillator, narrow pulse generator, saw tooth generator, PWM comparator, PWM modulator, output stage, OCP circuit and low voltage comparator.

根据PWM开关电源的原理和特点，合理地设计了各个子电路，其中包括：带隙基准源、误差放大器、振荡器、窄波发生器、锯齿波发生器、PWM比较器、PWM脉冲调整器、输出级电路、过流保护电路和低压比较器等。

Inline LDO can provide high precision and low ripple voltage output as second output, which introduced technical innovation.

芯片中还针对不同的子模块电路，采取了一些新颖的电路结构，确保电路具有较高的性能。

Theoretical analysis proves that the new power supply has high performance such as high accuracy, high efficiency, low input ripple current, excellent EMC characteristic, light weight and low cost compared with the traditional laser power supply.

在理论和仿真分析的基础上，完成了新型高性能脉冲激光电源的硬件电路系统，详细的分析了主要电路参数的确定和电源的系统具体的电路设计。

The designing of this article first introduced the determinant keyboard's theory and application,through to analysis its connection electric circuit in very great detail ,and then used VHDL hardware description language and FPGA device to complete FPGA-based determinant keyboard connection electric circuit design with modular design mathod.

本文设计首先介绍行列式键盘的原理和应用，通过对其接口电路的详细分析；然后利用VHDL硬件描述语言和FPGA器件并采用模块化设计的方法完成了基于FPGA的行列式键盘接口电路的设计；最后通过计算机仿真，对本文设计的行列式键盘接口电路的正确性进行了验证。

Overall system is constituted by temperature sensor, signal gathering electric circuit, keyboard, display circuit, E2PROM reading-writing electric circuit.

本设计采用AT89S51单片机的两个I/O口扩展I2C总线，整个系统由温度传感器，信号采集电路、键盘、显示电路、E2PROM读写电路构成。

By using synchronous rectifier, a higher efficiency low-voltage output DC/DC converter module can be achieved. This paper presents a kind of synchronous rectification DC/DC converter, which includes active clamp circuit, insulating transformer, and current double synchronous rectifier.

为提高低输出电压的DC/DC变换器的效率，提出了一种倍流同步整流有源箝位DC/DC变换器，电路拓扑主要包括有源箝位电路、隔离变压器和倍流同步整流电路。

The whole circuit includes two parts, one is pulse generator circuit, the other is SCR drive circuit.

整个电路包括了脉冲发生电路和驱动电路两部分。

The influence of the leakage inductance of transformer on flyback converter and power device is great, which can be suppressed by RCD clamp method. However, the parameters of RCD clamp are usually achieved by the designers' experience.

反激式电源变压器的原边漏感对电路性能及其功率器件影响很大，通过RCD钳位电路可以很好地抑制由于漏感而产生的电压过冲，但钳位电路参数设计往往是通过经验获得，设计方法不是很明确。

In the design of W band double-balanced mixer, a novel structure using Magic-T and two baluns, which all realized by ratrace, is proposed with no crossing of transmission line.

在W频段双平衡混频器的设计中，本文提出由混合环构成的魔T与巴伦级连而成的功率混合电路，这种新颖的电路结构使整个电路单平面化，避免了任何跳线。

This paper studies the phenomena of intermittent subharmonics and chaos in DC DC converters according to the consideration of coupling filter,consequently concludes that the origin of intermittency comes from conducted or radiated EMI.

文章从电路耦合滤波的角度考虑，分析了一类间歇分谐波与间歇混沌现象产生的原理，确定耦合电路传导和辐射干扰是产生该现象的根源，并构造了一个开关变换器模型作为研究对象，仿真与实验均得到了相似的非线性现象，同时对不同的电路参数集，讨论并分析了其对间歇现象产生所起的不同影响，为变换器的稳定设计提供信息。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。