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verilog50%
- 本文主要介绍了50％占空比三分频器的三种设计方法，并给出了图形设计、VHDL设计、编译结果和仿真结果。设计中采用EPM7064AETC44-7 CPLD，在QUARTUSⅡ4.2软件平台上进行。 -This paper introduces a 50% duty cycle three dividers of the three design methods, and gives the graphic design, VHDL design, compile results and the
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- （1）改变拨码开关，能输出8种不同频率的方波信号，各信号占空比不同。 （2）调节电位器可以精密调节输出信号的频率 -(1) To change the allocation of code switching, can output eight different frequency square-wave signal, the signal duty cycle different. (2) regulating the potential for precision can adj
Driving_Buzzer_by_PWM
- The purpose of this document is to present how to use the Timer for the generation of a PWM signal tunable in frequency and duty cycle. As an application example, this document is based on a basic “music” synthesizer through an external buzzer. Examp
PWM
- 利用定时器控制产生占空比可变的 PWM 波 按K1，PWM值增加，则占空比减小,LED 灯渐暗。 按K2，PWM值减小，则占空比增加,LED 灯渐亮。 当PWM值增加到最大值或减小到最小值时，蜂鸣器将报警。-Have a timer to control the use of variable duty cycle PWM wave by K1, PWM values increase, then decrease the duty cycle, LED lights dimmin
BasedonCPLDFPGAsuchasthefrequencyaccuracyofthedesi
- 基于CPLD／FPGA的可编程逻辑器件，借助单片机AT89C51；利用标准频率50～100MHz的周期信号实现系统计数的等精度测量技术。同时采用闸门测量技术完成脉宽,占空比的测量。-Based on CPLD/FPGA programmable logic devices, with single-chip microcomputer AT89C51 using a standard 50 ~ 100MHz frequency of the periodic signal, such as c
PWM
- 此文件是用于智能小车的自动调速，通过PWM波形来改变脉冲占空比，从而该变电机两边的电压，又P=UI的，电机的功率改变，从而达到电机的调速。-This file is automatically used for the smart s speed through the PWM duty cycle waveform to change the pulse so that the variable voltage motor on both sides, and P = UI of, elec
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- 双极性或单极性的方波信号在进行一些仪器仪 表研发中经常用做信号源或作为仪表电路中的使用 信号。传统的运放或其他模拟器件构成的方波信号 电路存在着方波频率准确度不高、频率范围较窄及 占空比较难调准等问题。-Bipolar or unipolar square-wave signal of the instrumentation to carry out R & D are often used as a signal source or the use of instru
200636122228
- 利用凌阳单片机实现电机驱动程序，通过多电机pwm波形占空比的调整，实现对电机速度的控制！-Sunplus MCU using motor driver, through the multi-motor pwm waveform duty cycle adjustment, the motor speed control!
PWM
- 基于AT89s52中断产生PWM，通过按键改变PWM占空比-Interrupt generated on AT89s52 PWM, PWM duty cycle by changing the key
TemperatureControlSystem
- 本系统严格按照题中所定参数及要求，构建了一个以MSP430单片机为控制核心的温度自动控制系统。该系统用PSB型负温热敏电阻作为温度传感器，以一种类R-F的方法测量木盒内实时温度，单片机用实时温度与预设温度值一起代入PID算式得出一个温度增量，再用此温度增量线性的控制PWM波的占空比，开关电源的输出电压也会随之变化，即制冷晶片的输入功率发生变化，因此制冷晶片制冷（加热）的功率随PWM波占空比变化，达到自动控温的目的。本系统制冷（加热）效果明显，效率高，界面友好，制作精致，能够胜任题中所定各项要求。
noTHtransmitPAM
- 此函数用于产生脉冲超宽带系统的训练序列的波形。输出参数有三个：bits--发送的数据,stx--发送的信号,ref--参考信号 发送端调制方式为TH-PAM-The emerging ultra-wideband (UWB) system offers a great potential for high data rate wireless multimedia applications of the home entertainment and industry, as well
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- 《Z源逆变器光伏并网系统模型及电路参数设计》 摘要：建立了Z 源逆变器光伏并网系统的小信号模型，定量分析了光伏模块输出电压动态性能与主电路各参数间的 关系。光伏模块输出电压的最大功率点跟踪（MPPT）控制与系统采样平均周期关系密切，而采样平均周期又受主电路 无源元件参数大小的影响。定量分析小信号模型建立了各部分之间的传递函数，这对选择MPPT 控制采样平均周期 和主电路参数优化设计起到了关键性指导作用。实验证明了理论分析的正确性和该模型的实用性。 关键词：逆变器/ 分布式发电
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- Energy-Efficient Low Duty Cycle MAC Protocol for Wireless Body Area Networks
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
TSL237
- The TSL237 light-to-frequency converter combines a silicon photodiode and a current-to-frequency converter on a single monolithic CMOS integrated circuit. Output is a square wave (50 duty cycle) with frequency directly proportional to light inten
UC3843
- Descr iption The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a
lab24-PWM
- 介绍了28335内部的PWM波产生模块，确定了方波的周期以及占空比的设置细节！-Introduced the 28335 internal PWM wave generating module, to determine the details of the configuration of the cycle and the duty cycle of the square wave!
dutyafrequencyMeter(zuizhong)
- PIC单片机，用捕获模式测量PWM信号的频率及其占空比-PIC microcontroller to measure the frequency and duty cycle of the PWM signal capture mode
duty
- DUTY CYCLE OF BRUSHLESS DC MOTOR.MODELLED ON BASIS OF MATHEMATICAL RESULT
duty-cycle-square-wave
- 用定时器在51单片机生产可调占空比的方波-51 single-use timer adjustable duty cycle square wave produced