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1Operational Amplifier design

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1Operational Amplifier designMartin Lizarde Jr. Susanna Guerrero Dung Huynh

Final Project: Operational Amplifier
June 9, 2005

Professor: Roger Lake TA: Angelo Ledesma

Introduction: An operational amplifier is designed. Several tests are conducted on it by applying analog and digital voltages to its inputs. A layout is made for the op-amp. Through the tests, much information is obtained for the op-amp. With the combination of the test information and layout, the op-amp is then ready for chip production and distribution. Design Description/Theory: The first thing done was to design a current mirror. Using the equations I2/I1=(W2/L2)/(W1/L1), I2=2I1, and I1=(Vdd-Vgs1)/R, a current mirror with I1=10uA and I2=20uA is designed. The values obtained are W1=15um, W2=30um,

L1=L2=4.95um, and R=420kohms. Using similar equati……
1Operational Amplifier design
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