Open AccessDesign of a CMOS Two-stage Fully Differential Operation Amplifier
Author(s) -
Haotian Qiao
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1449/1/012084
Subject(s) - cadence , phase margin , cmos , fully differential amplifier , amplifier , bandwidth (computing) , differential amplifier , direct coupled amplifier , amplitude , gain–bandwidth product , electronic engineering , computer science , operational amplifier , open loop gain , stage (stratigraphy) , engineering , physics , telecommunications , optics , paleontology , biology
Based on SMIC 0.18um CMOS process model, the operation amplifier designed in the thesis is simulated in the simulation software Cadence. In the regular environment, it has DC gain of 107dB, unity gain bandwidth of 57.48MHz, phase margin of 64.83° and output amplitude more than 3 V.