《高频无线话筒》毕业设计（论文）

《《高频无线话筒》毕业设计（论文）》由会员分享，可在线阅读，更多相关《《高频无线话筒》毕业设计（论文）（22页珍藏版）》请在文档大全上搜索。

1、摘要高频电子线路系统地介绍了通信系统，特别是无线通信系统中的最基本电路及他们的功能，给出了定性及定量分析这些电路性能的方法。这些电路包括了发射机及接收机中的选频放大电路、混频电路、功放电路、振荡电路、调制及解调电路、锁相环电路、自动增益控制电路及频率合成电路。本课程的基本知识教学目标与能力目标是：通过理论和实践教学，使学生了解晶体管工作于高频时的工作原理，特性参数及微变等效电路，掌握高频单元电路的线路组成、基本工作原理、分析方法、技术要求及一些典型集成电路的实际应用，并且具备一定的理论水平和足够的实践技能，以及使用先进仿真软件的能力，为进一步学习、掌握电子、通讯技术的专业知识和职业技能打下基础

2、。高频电子线路是一门理论性、工程性和实践性都很强的课程。学生通过本课程的学习，不但应该掌握必要的基础理论知识，而且还应在分析问题、解决问题和实际动手能力等方面得到锻炼和提高。对于这些能力的培养，理论教学与实践教学环节必须密切联系、互相配合，才会取得比较好的效果。在本课程教学中应从以下几个方面来加强这些能力的培养：1 在分析问题的方法上，由常用基本电路入手，讲清基本原理，然后适当综合，再应用到实用电路的分析中去。2 注意与实践课的配合，在理论课中讲清基本原理、典型电路和基本应用电路，在实践课中学习有关电路的测试、调整的原理和方法以及器件的参数选择等。3 增加必要的例题和实用电路的分析。例题着重于

3、问题的分析过程和解题方法的介绍，对电路实例的分析则力求由浅入深。关键词：高频；微变等效电路；仿真软件。Abstract High-frequency electronic circuit system, communication systems are introduced, especially in wireless communication systems and their basic function of the circuit, given the qualitative and quantitative analysis of the circuit performance

4、. The circuit consists of transmitter and receiver in the selected frequency amplifier, mixer circuits, power amplifier, oscillation circuit, modulation and demodulation circuit, PLL circuit, automatic gain control circuit and frequency synthesizer circuits. The objective of the course teaching basi

5、c knowledge and ability are: the theory and practice through teaching, so that students understand the high frequency transistors operating in the working principle, characteristics of the equivalent circuit parameters and slightly changed to master high-frequency circuit element circuit composed of

6、 basic works, analytical methods, technical requirements and practical application of some typical integrated circuit, and have a certain theoretical level and adequate practical skills and the ability to use advanced simulation software for further learning and the acquisition electronics, communic

7、ations technology, expertise and lay the foundation for professional skills. Is a high-frequency electronic circuit theory, engineering and practical courses are very strong. Students through this course, should not only master the necessary basic theoretical knowledge, but also in analyzing the pro

8、blem, problem solving and practical ability and other aspects of exercise and improved. For these abilities, teaching the theory and practice of teaching must be in close contact with each other, will get better results. Teaching in the following aspects should be to strengthen these abilities:1. On

9、 the analysis of the problem, starting from the basic circuit used, clarifying the basic principles, then the appropriate consolidated, and then applied to practical circuit analysis to go. 2. Note that with the lessons and practice, in theory courses in clarifying the basic principles, typical circ

10、uits and the basic application circuit, learning the lesson in practice, the test circuit to adjust the principles and methods as well as the parameters of the device selection. 3. Increase the necessary examples and practical circuit analysis. Example analysis focused on the problems and solutions

11、in the introduction, the analysis of the circuit instance is sought implemented progressively.Keywords: High frequency; micro-dependent equivalent circuit; simulation software.目录第1章 绪论4第2章 设计目的和意义52.1 设计目的5 设计意义5第3章 需求及分析6第4章 设计方案7 方案选择 74.2 设计要求8第5章 设计原理及电路95.1 设计原理95.2 电路工作原理95.3 原理电路10第6章 Multism