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PCB相关 PCB设计经典资料
本文将接续介绍电源与功率电路基板，以及数字电路基板导线设计。宽带与高频电路基板导线设计a.输入阻抗1MHz，平滑性(flatness)50MHz 的OP增幅器电路基板图26 是由FET 输入的高速OP 增幅器OPA656 构成的高输入阻抗OP 增幅电路，它的gain取决于R1、R2，本电路图的电路定数为2 倍。此外为改善平滑性特别追加设置可以加大噪讯ga ...
电源技术 电源调整与虚拟地
Abstract: Rail splitting is creating an artificial virtual ground as a reference voltage. It is used to set the signalto match the op amp's "sweet spot." An op amp has the most linear- and distortion-free qualities at that sweetspot. Typically, the sweet spot occurs near the center between the ...
电源技术 为敏感电路提供过压和电源反接保护
 
What would happen if someone connected 24V to your12V circuits? If the power and ground lines were inadvertentlyreversed, would the circuits survive? Does yourapplication reside in a harsh environment, where the inputsupply can ring very high or even below ground? Evenif these events are ...
电源技术 Switching Regulators for Poets
 
The above title is not happenstance and was arrived at afterconsiderable deliberation. As a linear IC manufacturer, it isour goal to encourage users to design and build switchingregulators. A problem is that while everyone agrees thatworking switching regulators are a good thing, everyone ...
电源技术 LTC6994参考设计及PCB布线规则
Demonstration circuit 1562A is an engineering toolto design and evaluate the LTC699X-X family ofTimerBlox circuits. The center section of the boardcontains a pre-configured TimerBlox function.DC1562A comes in twelve timing function variationsas outlined in Table 1.Surrounding the center board is a ...
单片机编程 DUAL DIGITAL ISOLATORS
The ISO7220 and ISO7221 are dual-channel digital isolators. To facilitate PCB layout, the channels are orientedin the same direction in the ISO7220 and in opposite directions in the ISO7221. These devices have a logic inputand output buffer separated by TI’s silicon-dioxide (SiO2) isolation barrier ...
单片机编程 SM-IIC/2051模块用户说明(I2C 数据控制模块)
SM-IIC/2051 模块用户说明简介：SM-IIC/2051 是一个基于2051 单片机的I2C 总线控制模块。上位机接口可直接与PC的RS232 连接，下位机可实现对应用电路中I2C 控制总线的连接，块内设置2K 的FLASH 存储器，可存储用户I2C 初始化数据。模块采用2051 单片机，使电路简单可靠。型号：SM-IIC/2051名称：I2C 数据控制模块功能：RS23 ...
教程资料 SOC验证方法
Prakash Rashinkar has over 15 years experience in system design and verificationof embedded systems for communication satellites, launch vehicles and spacecraftground systems, high-performance computing, switching, multimedia, and wirelessapplications. Prakash graduated with an MSEE from Regional En ...
可编程逻辑 SOC验证方法
Prakash Rashinkar has over 15 years experience in system design and verificationof embedded systems for communication satellites, launch vehicles and spacecraftground systems, high-performance computing, switching, multimedia, and wirelessapplications. Prakash graduated with an MSEE from Regional En ...
可编程逻辑 数字与模拟电路设计技巧
数字与模拟电路设计技巧IC与LSI的功能大幅提升使得高压电路与电力电路除外，几乎所有的电路都是由半导体组件所构成，虽然半导体组件高速、高频化时会有EMI的困扰，不过为了充分发挥半导体组件应有的性能，电路板设计与封装技术仍具有决定性的影响。 模拟与数字技术的融合由于IC与LSI半导体本身的高速化，同时为了使机器达到 ...