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MC145159PLL
- 基于MC145159的PLL频率合成器设计与实现 介绍了锁相环路频率合成器的基本原理,分析了集成锁相环芯片M C 145159的工作特性,给出了集成锁相环芯片M C 145159的一个应用实例,为高频频率合成器的设计提供了一个较好的思路.测试结果证明了设计的合理性与实用性,系统频率稳定度优于10-7.-MC145159 PLL frequency synthesizer design and realization of PLL frequency synthesizer the basic
dual.band.GMSK.transmitte
- This paper presents the key circuits of a 1MHz bandwidth, 750kb/s GMSK transmitter. The fractional-N synthesizer forming the basis of the transmitter uses a combined phasefrequency detector (PFD) and digital-to-analog converter (DAC) circuit elemen
DDS.rar
- 本设计基于数字频率合成技术,采用正弦查找表实现波形产生.直接数字频率合成技术（DDS）是一种先进的电路结构，能在全数字下对输出信号频率进行精确而快速的控制，DDS技术还在解决输出信号频率增量选择方面具有很好的应用，DDS所产生的信号具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低和可以产生任意波形等诸多优点。 文中介绍了DDS的基本原理，对DDS的质谱及其散杂抑制进行了分析。程序设计采用超高速硬件描述语言VHDL描述DDS,在此基础上设计了正弦波、三角波、方波等信号
A7102C_EN.rar
- 笙科A7102高频芯片数据手册英文版， 可工作在315MHZ,433MHZ,868MHZ,915MHZ.,AMIC A7102 high-frequency chip data sheet in English, can work in 315MHZ, 433MHZ, 868MHZ, 915MHZ.
ANSOFT-HFSS-ppt
- ANSOFT HFSS课件，详细讲解HFSS的使用，HFSS适用于电磁场高频仿真，天线仿真等-ANSOFT HFSS software, HFSS elaborate on the use of, HFSS simulation for high-frequency electromagnetic fields, antenna simulation, etc.
Highfrequencypoweramplifiercircuit
- 本PPT写了如何设计一个高频功率放大器，非常实用-The PPT was how to design a high-frequency power amplifier, a very practical
SVPWM
- 变频驱动主要使用的驱动波形主要有SPWM和SVPWM两种。SPWM原理简单、实现容易,是现在使用最广的一种变频驱动波形。但其有一个致命的弱点是其电源利用率不高（只有86％）、谐波成分大。因此,在新近开发的产品中其应用逐渐被性能优异的SVPWM所取代。SVPWM是一种电压利用率、低谐波成分的变频驱动波形,还有开关次数少、功率管功耗小等特点。同时,SVPWM还能很好的结合矢量控制算法、以最大限度的发挥设备的性能。因此被越来越多的变频设备所采用。-The main use of variable f
cddbn__J009654.PDF
- AOSL的工作原理中国知网论文ADSL因使用普通电话线作为传输介 质，却有很高的带宽而得到迅速发展。 ADSL正是使用了26KHz以后的高频带才提 供了如此高的速度。-The working principle of the Chinese AOSL HowNet thesis ADSL due to the use of ordinary telephone lines as a transmission medium, there is a very high bandwidth
PCBDesign
- 高速的pcb设计注意的问题，在高频的电路设计中十分有用，注意到此可以减轻很多任务！-High-speed pcb design attention to the problem of the high-frequency circuit design is very useful, noted that this can reduce a lot of tasks!
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- 快速自适应算法结合高速处理器件在跳频电台频率估计中的应用.pdf-Fast adaptive algorithm combines high-speed processing devices in the frequency-hopping radio frequency estimation application. Pdf
AP3101_584558[1]
- 基于BCD公司的AP系列芯片，本文介绍一种以最少外部元器件就能获得高效率的高频开关电源的设计方法，该电路在宽范围电压输入范围内，采取单端反激式电路，利用光耦反馈和脉冲宽度调制技术来实现横流稳压输出。-Based BCD company s AP series chip, this paper introduce a minimum of external components to get the high-efficiency high-frequency switching power’ d
MOSFETslength
- MOSFET建模宝典-High frequency performance of submicrometer channel Silicon MOSFET’slength
jiyuDSPbianliuqi
- 介绍了基于DSP 的115 V/400 Hz 三相逆变电源的设计原理和设计方法，采用移相谐振控制技术和周波变流型 高频环节逆变技术，使整机开关最大程度地实现了软开关。实验结果表明，该逆变电源设计合理、可靠性高，并在小 型化、提高功率密度和可靠性方面，取得了很好的效果-Introduced DSP-based three-phase inverter power supply 115 V/400 Hz design principle and design method, using ph
Small-signal-high
- 高频小信号调谐放大器，了解谐振回路的幅频特性分析——通频带与选择性。-Small-signal high-frequency amplifier tuned to find resonant frequency characteristics of circuit- passband and selectivity.
Frequency-Counter
- 频率计，可以精确的测量仪器的工作周期，频率，测量精确度高-Frequency, precision measuring instruments for the duty cycle, frequency, high precision measurement
stability-high-control
- ieee下载的2012文章，高频网络控制系统的应用与研究，通过李雅普诺夫分析其稳定性，设计控制器-Download ieee 2012 article, high-frequency network control system application and research, through Lyapunov stability analysis, design controllers
High-frequency-emphasis
- MATLAB图像处理-基于高频强调滤波和直方均衡化图像增强-MATLAB image processing- based on high frequency emphasis filtering and histogram equalization image enhancement
high-frequency-
- 高频段超方向性天线阵列设计-Ultra high frequency band directional antenna array design
DSP-based-high-frequency-HVDC-source-for-Verifyin
- DSP-based high-frequency HVDC source for Verifying Internal Pressure of Vacuum Chamber
frequency-transformer-design
- Inverter high-frequency transformer design逆变电源中高频变压器的设计_徐琦-Inverter high-frequency transformer design design high frequency inverter transformers _ Xu Qi