T09 OTA_sss.pdf - bSpace

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$Math 104 Sample Final Exam - bSpace$

$Course Syllabus for Math 55 MWF 2:10–3:00, P. Vojta ... - bSpace$

F C L,eff = FV i 2 gmR E on + Ī2 n,R E | | 2 Noise s 2 1+gmRg E m,1 =2πC L,eff N log (2) C L,eff F Phase 1: ī 2 1 on = Ī2 nc | | 2 +i 2 gmR E ¯V C 2 s = KT on + 1+gmR Ī2 n,R E | | 2 E 1+gmR E n F 1 Noise factor of driving amplifier C s ¯V C 2 f = KT n F 2 C f ¯V Noise C 2 s = KT factor n F 1 of this amplifier T n F 2 + KT C s 1 C f Phase C L,eff 2: F n F 2 ¯V C 2 f = KT C f C f F = C ¯V on 2 f + =( C s C s C+ ) f Ci 2 2 ¯V Cs + KT + KT 1 C f C L,eff F n F 2 F = C f C f + C s + C i EECS 240 Topic 9: <strong>OTA</strong> © 2007 B. Boser & A. Niknejad
Common-Source Example • Openloop gain, A vo , a vo • Output range, ΔV o • Bandwidth, f u , f 3dB • Noise gmroN=23 (L=150nm) Rout,P=240K CL=2pF V*N~140mV V*P~280mV V*cas,P=140mV EECS 240 Topic 9: <strong>OTA</strong> © 2007 B. Boser & A. Niknejad
Page 1 and 2: EECS 240 Analog Integrated Circuits
Page 3 and 4: Operational Transconductance Amplif
Page 5 and 6: Resistive Feedback OpAmp • Gain i
Page 7 and 8: • Phase 1: - sample V i onto C s
Page 9: SC Gain Stage EECS 240 Topic 9: OTA
Page 13 and 14: Noise Summary Cadence: Results-> Pr
Page 15 and 16: Differential Output “Fully differ
Page 17 and 18: PSRR & CMRR • Any terminal is an
Page 19 and 20: PSRR Fully differential circuit has
Page 21 and 22: Fully differential noise vi - + + -
Page 23 and 24: Differential Pair - CMRR EECS 240 T
Page 25 and 26: CMRR Analysis No tail current sourc

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