方波产生与波形变换电路设计说明书.doc

XXXXXXXX学院 课程设计说明书 课程名称： 电力电子技术 设计题目： 方波产生和波形变换电路 班级： XXXXXXXXXXXXXXX 姓名： XXXX 学号： XXXXXXXXXXX 指导老师： XXXX 设计时间： XXXXXXXXXXXXX 摘 要 波形发生器广泛地应用于各大院校和科研场所。随着科技的进步，社会的发展，单一的波形发生器已经不能满足人们的需求，而我们设计的正是多种波形发生器。本设计将介绍由集成运算放大器组成的方波-----三角波----正弦波函数发生器的设计方法，了解多功能集成电路函数信号发生器的功能及特点， 进一步掌握波形参数的测试方法。制作种函数信号发生器成本较低适合学生学习电子技术测量使用。只需要个别的外部元件就能产生从—10HZ，10—100HZ的低失真正弦波、三角波、矩形波等脉冲信号。输出波形的频率和占空比还可以由电流或电阻控制。bstract Waveform generator is widely used in universities and scientific research. With the progress of science and technology, the development of the society, a single waveform generator has cant satisfy peoples needs, and our design is a variety of waveform generator. This design introduces the integrated operational amplifier composed of square wave -- -- -- -- -- the design method of the triangle wave, sine wave function generator, understand the multi-function integrated circuit functions and characteristics of function signal generator, further grasp the waveform parameter test methods. To make this kind of function signal generator with low cost, suitable for students learning electronic technology measure. Need only when making individual external components can produce from 1-10 hz, 10-100 hz low distortion of sine wave, triangular wave and square wave pulse signal. The output waveform frequency and duty ratio can also be controlled by current or resistance. The comparator and integral circuit and the feedback network (containing the capacitance component) oscillator, the comparator of square wave by integrating circuit transformation becomes a triangle wave, capacitance charging, discharge time determines the frequency of the triangular wave. Finally using the nonlinear characteristics of the differential amplifier transmission characteristic curve of converting triangular wave into sine wave. Voltage comparator for the square wave output, and connect the integrator by triangle wave, and