Transcription of Basic Amplifiers and Differential Amplifier
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Basic Amplifiers and Basic Amplifiers and Differential Amplifier Differential Amplifier CSE 577 Spring 2011 Insoo Kim, Kyusun ChoiMixed Signal CHIP Design of Computer Science & EngineeringThe Penn State UniversityIn today s analog design, simulation of circuits is essential because the behavior of short-channel MOSFETs cannot be predicted accurately by hand calculations. Nonetheless, if the designer avoids a simple and intuitive analysis of the circuits and hence skips the task of gaining insight, then he/she Don t let the computer think for youDon t let the computer think for youInsoo Kim2/22/2011and hence skips the task of gaining insight, then he/she cannot interpret the simulation results intelligently. For this reason, we say, Don t let the computer think for you. Don t let the computer think for you. - Behzad RazaviContentsContents Fundamentals Basic Amplifiers : Low Frequency Analysis Basic Amplifiers : High Frequency AnalysisInsoo Kim2/22/2011 Differential Amplifier FeedbackFundamentalsFundamentals Definitions DC Operating Point & Load line Large Signal Analysis vs.
(Std. Library) Design Exercise Design Flow Determine Specifications − Power Consumption (ex. 1mW) − Voltage Gain (ex. >30) − Active Common Mode Input range (as large as possible) − Others: slew rate, CMRR, PSRR, etc. Determine minimum channel length 2/22/2011 Insoo Kim Determine channel width − Determine W 1,2 from voltage gain spec. − Determine W 5 & Bias …
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