EC_II_operational amplifier_only ppt.pptx
adivyaece
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Aug 13, 2024
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About This Presentation
EC_II_operational amplifier_only ppt.pptx
Slide Content
UNIT II OPERATIONAL AMPLIFIER Design of two stage operational amplifier Compensation of Op Amps Cascode Op Amps Folded Cascode Op Amps Telescopic Opamp . 1
Reference Books “ Design of Analog CMOS Integrated Circuits” by B. Razavi and “Analog Integrated Circuit Design” by D. Johns and K. Martin 1
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Performance Parameters Gain Small-Signal Bandwidth Large-Signal Bandwidth Output Swing Rise time and Fall time Linearity Noise and Offset Supply Rejection Slew rate
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Small Signal Bandwidth 6
Contd … 7
Output Swing 8
Contd … 9
Contd … 10
Contd … 11
Contd … 12
Contd … 13
Contd … 14
Large Signal Bandwidth 15
Linearity 16
Noise and Offset 17
Supply Rejection 18
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Example 1 21
Solution 22
Contd … 23
Example 2 (Small Signal Bandwidth) 24
Solution 25
Solution 26
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BASIC MOS DIFFERENTIAL PAIR 31
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QUALITATIVE ANALYSIS 38
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HIGH GAIN DIFFERENTIAL AMPLIFIER 56
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67 Av=(gm.ro)^2
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FOLDED CASCODE AMPLIFIER 80
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One-Stage Op Amps 86
One-Stage Op Amp in Unity Gain Configuration 87
Cascode Op Amps 88
Unity Gain One Stage Cascode 89
Folded Cascode Op Amps 90
Folded Cascode Stages (cont.) 91
Folded Cascode (cont.) 92
Folded Cascode (cont.) 93
Telescopic vs. Folded Cascode Pole 94
Example Folded-Cascode Op Amp See Example 9.6 95
Single-Ended Output Cascode Op Amps 96
Simple Implementation of a Two-Stage Op-Amp Stage 1 97
Two-Stage Op-Amp Employing Cascoding High gain stage (small voltage swings) 98
Two-Stage Op-Amp With Single-Ended Output 99
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