RF circuit design
共 65 篇文章
RF circuit design 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 65 篇文章，持续更新中。
印制电路板雕刻机简介与适用范围
使用电路板雕刻机，可快速制作电路板样品，缩短研发时间，设备体积小不占空间，且无污染。它适合数字、模拟、RF及一般电路板的制作，可做到电路板钻孔、线路雕刻、外形切割一机多功。
模拟cmos集成电路设计(design of analog
<P>模拟集成电路的设计与其说是一门技术，还不如说是一门艺术。它比数字集成电路设计需要更严格的分析和更丰富的直觉。严谨坚实的理论无疑是严格分析能力的基石，而设计者的实践经验无疑是诞生丰富直觉的源泉。这也正足初学者对学习模拟集成电路设计感到困惑并难以驾驭的根本原因。.<BR>美国加州大学洛杉机分校(UCLA)Razavi教授凭借着他在美国多所著名大学执教多年的丰富教学经验和在世界知名顶级公司(AT&
射频集成电路设计John Rogers(Radio Freq
<P>Radio Frequency Integrated Circuit Design</P>
<P>I enjoyed reading this book for a number of reasons. One reason is that it<BR>addresses high-speed analog design in the context of microwave issues.
XAPP854-数字锁相环(DPLL)参考设计
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Many applications require a clock signal to be synchronous, phase-locked, or derived fromanother signal, such as a data signal or another clock. This type of clock circuit is important in
利用数字电位器调整并校准升压型DC-DC转换器
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The purpose of this application note is to show an example of how a digital potentiometer can be used in thefeedback loop of a step-up DC-DC converter to provide calibration and/or adjustment o
寄存器和环路滤波器的设计
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The MAX2870 ultra-wideband phase-locked loop (PLL) and voltagecontrol oscillator (VCO) can operate in both integer-N and fractional-Nmodes, similar to the Analog Devices ADF4350 wideband synthe
RF至数字接收器的信号链噪声分析
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Designers of signal receiver systems often need to performcascaded chain analysis of system performancefrom the antenna all the way to the ADC. Noise is a criticalparameter in t
双绞线和低通滤波器降低EMI_RFI
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Abstract: Alexander Graham Bell patented twisted pair wires in 1881. We still use them today because they work so well. In addition we have the advantage ofincredible computer power within our
逐次逼近式AD转换器研究
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<span style="color: rgb(26, 24, 24); font-family: Arial, Helvetica, sans-serif; line-height: 15px; ">A tutorial on SAR type A/D converters, this note contains detailed information on several 12-b
数据采集电路分析
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This application note features 8-, 10-, and 12-bit dataacquisition components in various circuit configurations.The circuits include battery monitoring, temperature sensing,isol
LT1017：Circuitry for Single Cell Operation
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Portable, battery-powered operation of electronic apparatushas become increasingly desirable. Medical, remotedata acquisition, power monitoring and other applicationsare good ca
基于ADF4111的锁相环频率合成器设计
<span style="color: rgb(0, 0, 0); font-family: 'Trebuchet MS', Arial; font-size: 11.818181991577148px; line-height: 21px;">为得到性能优良、符合实际工程的锁相环频率合成器，提出了一种以ADI的仿真工具ADIsimPLL为基础，运用ADS（Advanced Design Syst
在单端应用中采用差分I/O放大器
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Recent advances in low voltage silicon germaniumand BiCMOS processes have allowed the design andproduction of very high speed amplifi ers. Because theprocesses are low voltage,
高精度I2C实时时钟的设计
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Abstract: This application note presents an overview of the operational characteristics of accurate I²C real-time clocks (RTCs),including the DS3231, DS3231M, and DS3232. It focuses on gen
相敏检波电路鉴相特性的仿真研究
<P>分析了调幅信号和载波信号之间的相位差与调制信号的极性的对应关系,得出了相敏检波电路输出电压的极性与调制信号的极性有对应关系的结论。为了验证相敏检波电路的这一特性,给出3 个电路方案,分别选用理想元件和实际元件,采用Multisim 对其进行仿真实验,直观形象地演示了相敏检波电路的鉴相特性,是传统的实际操作实验所不可比拟的。<BR>关键词:相敏检波;鉴相特性;Multisim;电路仿真</P>
宽带低EVM直接变频发射机
本电路为宽带直接变频发射机模拟部分的完整实施方案（模拟基带输入、RF输出）。通过使用锁相环(PLL)和宽带集成电压控制振荡器(VCO)，本电路支持500 MHz至4.4 GHz范围内的RF频率。PLL中的LO执行谐波滤波，确保提供出色的正交精度。低噪声LDO确保电源管理方案对相位噪声和EVM没有不利影响。这种器件组合可以提供500 MHz至4.4 GHz频率范围内业界领先的直接变频发射机性能。<b
寄生电容在升压变压器中的设计应用
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One of the most critical components in a step-up design like Figure 1 is the transformer. Transformers have parasitic components that can cause them to deviate from their ideal characteristics, a
高集成四通道工业控制应用的电压输出DAC
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Digital-to-analog converters (DACs) are prevalent inindustrial control and automated test applications.General-purpose automated test equipment often requiresmany channels of pr
RF前置放大电路基础知识
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RF前置放大电路即读取光碟片射频信号的放大电路.其放大电路性能的好坏会直接影响到DVD-ROM产品性能的好坏.其主要功能如下:</p>
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(1)对镭射二极体供电进行控制.并产生参考</p>
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电压.</p>
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(2)对从光感检测器输出的微弱电流信号转成</p>
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电压信号进行放大处理.<br />
<img alt="" src="h
水声信号功率放大器的设计与实现
设计了水声信号发生系统中的功率放大电路，可将前级电路产生的方波信号转换为正弦信号，同时进行滤波、功率放大，使其满足换能器对输入信号的要求。该电路以单片机AT89C52，集成6阶巴特沃思低通滤波芯片MF6以及大功率运算放大器LM12为核心，通过标准RS232接口与PC进行通信，实现信号增益的程控调节，对干扰信号具有良好的抑制作用。经调试该电路工作稳定正常，输出波形无失真，在输出功率以及放大增益、波纹