1、 模拟电子技术模拟电子技术课程设计说明书课程设计说明书 函数信号发生器 系 、 部: 电气与信息工程学院 学生姓名: 指导教师: 职称 讲师 专 业: 电子信息工程 班 级: 电子 1002 完成时间: 6 月 6 日 1 摘摘 要要 函数信号发生器是一种能够产生多种波形,如三角波、锯齿波、含方波、正 弦波的电路。函数信号发生器在电路实验和设备检测中具有十分广泛的用途。 通过对函数波形发生器的原理以及构成分析,可设计一个能变换出三角波、正 弦波、方波的函数波形发生器。采用由集成运算放大器与晶体管差分放大器共同组 成的方波三角波正弦波函数发生器的设计方法,先通过比较器产生方波,再通 过积分器产生
2、三角波,最后通过差分放大器形成正弦波。波形变换的原理是利用差 分放大器传输特性曲线的非线性。经过仿真得出了方波、三角波、正弦波、方波。 Abstract Function generator is a multi-wave signal source. It can produce sine, square, triangle wave, sawtooth, or arbitrary waveform. Some function generator also has a modulation function, can be AM, FM, phase modulation, pulse w
3、idth modulation and VCO control. Function generator has a wide frequency range, using a wide range, it is an indispensable common source. Can be used for production testing, equipment maintenance and laboratory, but also widely used in other technology areas such as medicine, education, chemistry, c
4、ommunications, geophysics, industrial control, military, and aerospace and so on. With the rapid development of integrated circuits, integrated circuits can be easily used to create various waveform generator. Integrated circuits to achieve the signal waveform generator and other waveform generators compared to the waveform quality, magnitude and frequency stability and other performance indicators, have been greatly improve