mx带隙基准源电路与版图设计.doc
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1、yuan, an increase of 17.5%; local government general budget revenue of 500 million Yuan, . Painting, model culture creates new Ma Church community, creating Lake scenic spot culture education base, received high evaluation from provincial and municipal discipline Inspection Commission, the peoples d
2、aily special report. Constantly promote independent Commission against corruption culture construction to rural extends, created established Dahlin rural industry Park independent Commission against corruption culture positions, formed has a support service low double excellent of members lead team,
3、 constantly perfect and established Park funds assets management, and village audit supervision, and villagers democratic financial, system, strengthening Park party, and Chief, and financial, full public, powerful to guarantees has new rural construction, by city rural style clean government inspec
4、tion unit led of height evaluation. Through the implementation of honest and clean government cultural construction, and effectively educate the broad masses of party members and cadres and consciously regulated behavior and discipline, honesty in politics and culture to create a good atmosphere and
5、 fresh development environment. Although we in implement implementation independent Commission against corruption guidelines aspects made has must effectiveness, but away from superior of requirements also exists must of distance, main performance for: a is system enough sound, education, and superv
6、ision, and prevention, and punishment, aspects long-term mechanism also enough perfect, especially in enrollment bid work regulatory aspects also needed strengthening; II is regulatory supervision exists lost of Yu wide, and lost of Yu soft, investigation illegal disciplinary case of efforts also ne
7、eded strengthening, individual sector and cadres also different degree exists treat gift, not to benefits not do, and mess do of phenomenon; Three for honest work is the new situations and new problems in finding timely enough, treatment measures are not strong enough. To solve these problems, we wi
8、ll proceed from the following five aspects of rectification, make sure to implement the provisions of the code. (A) deepening the learning, enhance the consciousness of honesty in politics. To create event as an opportunity to Excel and learning party, further increasing the governance capability an
9、d advanced construction, reinforced rules of the broad masses of party members and cadres awareness, sense of responsibility, sense of honor, improve working ability and level of scientific development. Should make full use of meetings, in particular central group learning opportunity, further stren
10、gthening the study and education of the code, the intensive warning education, education the majority of party members and cadres known fear, knew fear, honesty in politics of tension the strings, consciousness and enhancing the implementation of the initiative. Also, pay attention to apply what the
11、y have learned, consciously study results into planning work, new ideas,论文题目:带隙基准源电路与版图设计摘 要 基准电压源具有相对较高的精度和稳定度,它的温度稳定性以及抗噪性能影响着整个系统的精度和性能。模拟电路使用基准源,或者是为了得到与电源无关的偏置,或者为了得到与温度无关的偏置,其性能好坏直接影响电路的性能稳定,可见基准源是子电路不可或缺的一部分,因此性能优良的基准源是一切电子系统设计最基本和最关键的要求之一,而集成电路版图是为了实现集成电路设计的输出。本文的主要目的是用BiCMOS工艺设计出基准源电路的版图并对其
12、进行验证。本文首先介绍了基准电压源的背景发展趋势及研究意义,然后简单介绍了基准电压源电路的结构及工作原理。接着主要介绍了版图的设计,验证工具及对设计的版图进行验证。本设计采用40V的0.5u BiCMOS工艺库设计并绘制版图。仿真结果表明,设计的基准电压源温度变化为-4085,输出电压为2.5V及1.25V。最后对用Diva验证工具对版图进行了DRC和LVS验证,并通过验证,表明本次设计的版图符合要求。关键字 :BiCMOS,基准电压源,温度系数,版图 Subject: Research and Layout Design Of Bandgap ReferenceSpecialty: Micr
13、oelectronicsName: Zhong Ting (Signature)Instructor: Liu Shulin (Signature)ABSTRACTThe reference voltage source with relatively high precision and stability, temperature stability and noise immunity affect the accuracy and performance of the entire system. Analog circuit using the reference source, o
14、r in order to get the bias has nothing to do with power, or in order to be independent of temperature, bias, and its performance directly affects the performance and stability of the circuit shows that the reference source is an integral part of the sub-circuit, excellent reference source is the des
15、ign of all electronic systems the most basic and critical requirements of one of the IC layout in order to achieve the output of integrated circuit design. The main purpose of this paper is the territory of the reference circuit and BiCMOS process to be verified.This paper first introduces the backg
16、round of the trends and significance of the reference voltage source, and then briefly introduced the structure and working principle of the voltage reference circuit. Then introduces the layout design and verification tools to verify the design of the territory.This design uses a 40V 0.5u BiCMOS pr
17、ocess database design and draw the layout.The simulation results show that the design of voltage reference temperature of -40 C 85 C, the output voltage of 2.5V and 1.25V. Finally, the Diva verification tool on the territory of the DRC and LVS verification, and validated, show that the territory of
18、the design meet the requirements.Keywords: BiCMOS,band gap , temperature coefficient, layout目 录1 绪论11.1 背景介绍及发展趋势11.2 研究意义31.3 本文主要工作42 基准电压源电路设计52.1 基准电压源的分类及特点52.2 基准电压源的温度特性72.2.1 负温度系数项72.2.2 正温度系数电压72.3 基本原理82.3.1 与温度无关的电路82.3.2.与电源无关的偏置电路82.4 基准电压源电路设计92.4.1 基本原理92.4.2 运放的设计102.4.3 带隙核心电路设计142
19、.5 仿真分析153 版图设计1931 版图设计的基础193.1.1 集成电路版图设计与掩膜版、制造工艺的关系193.1.2 版图设计的设计规则203.1.3 版图通用设计步骤233.2工艺介绍253.2.1 常见工艺简介253.2.2BiCMOS工艺263.3 带隙基准电路的版图设计283.3.1版图的分层及连接283.3.2 版图设计环境介绍293.3.3 器件及总体版图304 版 图 验 证394.1 版图验证概述394.2 验证工具介绍404.2.1 Cadence概述404.2.2 Diva使用介绍414.3 版图的DRC验证454.4 版图的LVS验证455总结47致 谢48参考文
20、献49new measures to promote work, the courage to take responsibility, dare to break hard to ensure district, Government decisions and arrangements to implement. (B) strengthening supervision, severely punish acts of violation. One is to open the channels of supervision. Vigorously promote the party a
21、ffairs public, open, widely accepted supervision by the masses, pay attention to social groups and public opinion supervision, the powerful force formed to urge party members and leading cadres properly exercise their powers. Second, strong supervision and inspection. Democratic life into full play,
22、 important briefings, reports related to personal matters and evaluation of cadres study of inner-party supervisory system, a comprehensive grasp of guidelines for the implementation of the independent Commission against corruption-related cases of leading cadres of party members, focus on strengthe
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