Analog Electronic Circuits Prof. Mor M. Peretz The Center for Power - PDF document

3/18/2018 [1] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Analog Electronic Circuits Prof. Mor M. Peretz The Center for Power Electronics and Mixed-Signal IC Department of Electrical and Computer Engineering Ben-Gurion University of the Negev, ISRAEL Emails: morp@bgu.ac.il Website: http://www.ee.bgu.ac.il/~pemic http://www.ee.bgu.ac.il/~analog [2] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Electronics Training – ECE, BGU (circuits/VLSI track) Electronics training “chain” (under the circuit/VLSI track) • Undergraduate: – Intro. to Analog Circuits – Digital Circuits – Analog Electronic Circuits – THIS COURSE (aka Analog IC) – Intro. to VLSI – VLSI Design (aka mixed-signal IC design) – Switch-Mode Power Supplies (aka DCDC) • Graduate: – Problems in Electronic circuits – Digital control of switch-mode systems 1

3/18/2018 [3] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Logistics • Lecturer: Prof. Mor M. Peretz • Course hours: Sundays, 14-17 • Office hours: – PEMIC Center, Building 64, Rm. 4 (ground level) – Wednesdays 14-15 • Course website: – http://www.ee.bgu.ac.il/~analog – Slides will be updated before class – Videos will be uploaded during the semester • Grading: – 100% final Exam ***Attendance is not mandatory but highly recommended [4] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Analog Electronic Circuits Course background and motivation • Analog (continuous-time) signals – Continuous flow of information – Data derived from signals parameters: shape, amplitude, frequency – In Digital the info is discrete and finite truscottjewellers.co.uk sapling-inc.com 2

3/18/2018 [5] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Analog Electronic Circuits Course background and motivation • We live in an ANALOG world (still … ) • The digital Revolution: – Simple designs, compact, scalable, upgradable, communication, fast time- to-market • Any link to the “real world” needs interface – Computers, Mobile, Audio, Video, Communication • $$$ The bottom line $$$ – Electronics hardware engineers, in particular mixed-signal (analog) are top earners with longest prospect across the board of hi-tech industry [6] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Integrated vs discrete circuits 3

3/18/2018 [7] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Integrated vs discrete circuits 2.2mm 2mm (a) (b) [8] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Recommended literature • Course slides • Sergio Franco, “Design With Operational Amplifiers And Analog Integrated Circuits” (any addition) • Ramakant A. Gayakwad, “ Op-amps and linear integrated circuit technology: • David A. Johns, Ken Martin, “Analog Integrated Circuit Design” • Hans Camenzind , “Designing Analog Chips” • Analog IC Design - http://www.aicdesign.org/ • Analog Electronic circuits - http://www.ee.bgu.ac.il/~angcirc 4

3/18/2018 [9] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Lesson #1 Outline • Review of basic transistor circuits – Current mirrors – Voltage reference (Bandgap) – Differential pair • The operational amplifier (opamp) – Basic internal (transistor) circuit – Ideal amplifier – Characteristics of the ideal opamp • Basic circuits – Inverting amp, Non-inverting amp – Summing, difference, integrator, differentiator • Additional applications – Voltage reference, current source [10] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Current Mirror I 1 I 2 Q 1 5

3/18/2018 [11] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Voltage Reference (Bandgap) R 1 R 1 R 3 R 3 R 2 R 2 [12] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Differential Pair → → → 6

3/18/2018 [13] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Differential Pair VCC OUT IN- IN+ Q 1 Q 2 VEE [14] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Differential Pair Two stages 7

3/18/2018 [15] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Three stages diff. pair – The Operational Amplifier VCC + A 2 A 1 1 - IN+ IN- OUT VEE [16] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU OpAmp characteristics + A 2 A 1 1 Ideal OpAmp primary features: - • Differential inputs + • Output product as function inputs ( V + - V - ) A - A=A 1 A 2 A 3 • Infinite gain A →∞ V + V OUT • Infinite Bandwidth BW →∞ • Infinite input resistance R in →∞ + (V + - V - ) A V - • Zero output resistance R out → 0 8

3/18/2018 [17] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Inverting Amp Virtual Ground Z 1 • Zero potential between inputs Z 2 V in - V OUT V Ɛ + [18] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Non-inverting Amp - V OUT V Ɛ + Z 1 V in Z 2 V f 9

3/18/2018 [19] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Summing Amp Z in2 Z 1 V 2 Z in1 V 1 - V OUT V Ɛ + [20] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Difference Amp R 1 R 2 V 1 - V OUT V Ɛ R 3 V 2 + R 4 10

3/18/2018 [21] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Integrator Amp C R V in - V OUT V Ɛ + [22] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Differentiator Amp R C V in - V OUT V Ɛ + 11

3/18/2018 [23] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Voltage reference by OpAmp (Bandgap) [24] PE Prof. Mor M. Peretz Analog Electronic Circuits 361-1-3671 M I T HE C ENTER FOR P OWER E LECTRONICS AND M IXED -S IGNAL IC, B EN -G URION U NIVERSITY C BGU Current source by OpAmp I out V ref - + R 12