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Design of a High Voltage BiCMOS Operational Amplifier

Author: XuJianQiang
Tutor: JiaXinZhang
School: Xi'an University of Electronic Science and Technology
Course: Microelectronics and Solid State Electronics
Keywords: BiCMOS process Operational amplifier Multi-objective optimization Territory
CLC: TN722.77
Type: Master's thesis
Year: 2009
Downloads: 149
Quote: 2
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Abstract


With the development of integrated circuit design and process technology , electronic information products or systems are increasingly demanding high performance analog integrated circuits and cost-effective , in order to meet the needs of different applications , under application conditions demand it must be for different user needs to The design of the circuit . BiCMOS process in circuit design not only has the characteristics of CMOS circuits , they both some of the advantages of the bipolar process , so it has been more widely used . Amplifier as the most basic unit of analog integrated circuits and mixed-signal integrated circuits , it is necessary to carry out in-depth research . The main work of this paper is to design a high-pressure high-performance BiCMOS operational amplifier circuit, the circuit is the main amplifier stage using the basic structure of two-stage amplification , Miller compensation technique to achieve high gain and high stability , common source amplifier circuit offset part common-gate structure , power supply rejection ratio , common-mode rejection is better , the output of two emitter-follower structure , which greatly improves the drive capability of the circuit . In addition, the for circuit units gain transient response with rise and fall times multi-objective optimization analysis . Paper under ASMC1.2umBCD high pressure process conditions , the use of the Hspice simulation software for circuit performance simulation analysis and to use Hspice optimization module to optimize the analysis of the circuit to meet index requirements . On this basis , in the light of similar foreign products CA3140 territory layout , using the the Cadence / Virtuso software design of the unit and the territory of the whole circuit , and use the Diva consistency check on the layout design rules and circuit netlist .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Basic electronic circuits > Amplification technology,the amplifier > Amplifier > Amplifiers: the role of sub- > Op amps (calculated amplifier)
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