Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. C H A P T E R 10 Feedback.

Slides:

Advertisements

Similar presentations

Chapter 6 Feedback Amplifiers

Advertisements

Filters and Tuned Amplifiers

Transistors (MOSFETs)

Operational Amplifiers

Operational Amplifiers 1. Copyright  2004 by Oxford University Press, Inc. Microelectronic Circuits - Fifth Edition Sedra/Smith2 Figure 2.1 Circuit symbol.

C H A P T E R 15 Memory Circuits

1 Two-Port Network Parameters. Microelectronic Circuits - Fifth Edition Sedra/Smith2 Copyright  2004 by Oxford University Press, Inc. Figure B.1 The.

APPENDIX B SPICE DEVICE MODELS AND DESIGN SIMULATION EXAMPLES USING PSPICE AND MULTISIM Microelectronic Circuits, Sixth Edition Sedra/Smith.

1 Feedback: 8.8 The Stability Problem. Microelectronic Circuits - Fifth Edition Sedra/Smith2 Copyright  2004 by Oxford University Press, Inc. Figure.

Microelectronic Circuits, Sixth Edition

Operational Amplifiers

Electronics and Semiconductors

Voltage-Series Feedback

COMSATS Institute of Information Technology Virtual campus Islamabad

Data-Converter Circuits

The four basic feedback topologies: (a) voltage-sampling series-mixing (series-shunt) topology; (b) current-sampling shunt-mixing (shunt-series) topology;

The General Feedback Structure

Differential and Multistage Amplifiers

1 Figure 8.1 General structure of the feedback amplifier. This is a signal-flow diagram, and the quantities x represent either voltage or current signals.

Waveform-Shaping Circuits

Output Stages and Power Amplifiers

Memory and Advanced Digital Circuits 1.

Chapter 8 - Feedback 1 - Desensitize The Gain 2 - Reduce Nonlinear Distortions 3 - Reduce The Effect of Noise 4 – Control The Input And Output Impedances.

Operational-Amplifier and Data-Converter Circuits

Fig. 6.2 Different modes of operation of the differential pair: (a) The differential pair with a common-mode input signal vCM. (b) The differential.

Operational Amplifiers

Figure 2.1 Circuit symbol for the op amp.

MOS Field-Effect Transistors (MOSFETs)

C H A P T E R 1 Signals and Amplifiers Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P1.14.

Single-Stage Integrated- Circuit Amplifiers

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. C H A P T E R 5 MOS Field-Effect Transistors (MOSFETs)

Signal Generators and Waveform-Shaping Circuits

Chapter 8 - Feedback 1 - Desensitize The Gain 2 - Reduce Nonlinear Distortions 3 - Reduce The Effect of Noise 4 – Control The Input And Output Impedances.

Building Blocks of Integrated-Circuit Amplifiers

Operational-Amplifier Circuits

Chapter 6: Bipolar Junction Transistors

A.1 Large Signal Operation-Transfer Charact.

Figure 6.59 Two obvious schemes for biasing the BJT: (a) by fixing VBE; (b) by fixing IB. Both result in wide variations in IC and hence in VCE and therefore.

MOS Field-Effect Transistors (MOSFETs)

Chapter-9 Feedback Amplifier

EE445:Industrial Electronics. Outline Introduction Some application Comparators Integrators & Differentiators Summing Amplifier Digital-to-Analog (D/A)

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. C H A P T E R 02 Operational Amplifiers.

Figure 8.1 The basic MOS differential-pair configuration.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure B.50 Input–output voltage transfer characteristic.

1 Feedback. Microelectronic Circuits - Fifth Edition Sedra/Smith2 Copyright  2004 by Oxford University Press, Inc. Figure 8.1 General structure of the.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. C H A P T E R 9 Frequency Response.

Microelectronic Circuits SJTU Yang Hua Chapter 8 Feedback Introduction 8.1 The general feedback structure 8.2 Some properties of negative feedback 8.3.

Bipolar Junction Transistors (BJTs) 1.

The College of New Jersey (TCNJ) – ELC251 Electronics I Based on Textbook: Microelectronic Circuits by Adel S. Sedra.

14-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Fourteen Nonideal Effects in Operational Amplifier Circuits.

Operational Amplifiers Op Amps – a useful building block K. El-Ayat 11.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure 9.23 The CS circuit at s = s Z. The output.

Feedback. 8.4 The Series-Shunt Feedback Amplifier The Ideal Situation.

Chapter 9. Feedback.

1 Operational Amplifiers n Ideal Op-Amp –input terminals –differential gain, open-loop gain.

Operational Amplifiers 1. Copyright  2004 by Oxford University Press, Inc. Microelectronic Circuits - Fifth Edition Sedra/Smith2 Figure 2.1 Circuit symbol.

Signals and Systems, 2/E by Simon Haykin and Barry Van Veen Copyright © 2003 John Wiley & Sons. Inc. All rights reserved. Figure 9.1 (p. 664) Two different.

Feedback Amplifier By : Mohanish R. Chaubal –

Feedback Amplifiers. Outline Introduction The general feedback structure Some properties of negative feedback The four basic feedback topologies The series-shunt.

Figure (a) Precision full-wave rectifier based on the conceptual circuit of Fig (b) Transfer characteristic of the circuit in (a). Microelectronic.

Feedback loop gain, stability

Bipolar Junction Transistors (BJTs)

C H A P T E R 10 Feedback Microelectronic Circuits, Sixth Edition

Feedback Amplifiers.

Figure 9.37 (a) Frequency–response analysis of the active-loaded MOS differential amplifier. (b) The overall transconductance Gm as a function of frequency.

Table 5.1 Regions of Operation of the Enhancement NMOS Transistor Microelectronic Circuits, International Sixth Edition Sedra/Smith.

Microelectronic Circuits, Sixth Edition

Output Stages and Power Amplifiers

Presentation transcript:

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. C H A P T E R 10 Feedback

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure 10.1 General structure of the feedback amplifier. This is a signal-flow diagram, and the quantities x represent either voltage or current signals.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure 10.2 (a) A non-inverting op-amp circuit for Example (b) The circuit in (a) with the op-amp replaced with its equivalent circuit.s

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure 10.4 Illustrating the application of negative feedback to improve the signal-to-interference ratio in amplifiers.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure 10.6 Block diagram of a feedback voltage amplifier. Here the appropriate feedback topology is series–shunt.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure 10.7 Examples of a feedback voltage amplifier. All these circuits employ series–shunt feedback. Note that the dc bias circuits are only partially shown.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure 10.8 (a) Block diagram of a feedback current amplifier. Here, the appropriate feedback topology is the shunt–series. (b) Example of a feedback current amplifier.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure (a) Block diagram of a feedback transconductance amplifier. Here, the appropriate feedback topology is series–series. (b) Example of a feedback transconductance amplifier. (c) Another example.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure (a) Block diagram of a feedback transresistance amplifier. Here, the appropriate feedback topology is shunt–shunt. (b), (c), and (d) Examples of feedback transresistance amplifiers.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure The series–shunt feedback amplifier: (a) ideal structure; (b) equivalent circuit.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Determining the output resistance of the feedback amplifier of Fig (a): R of = V x /I x.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Circuits for Example 10.3.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure E10.11

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure The series–series feedback amplifier: (a) ideal structure; (b) equivalent circuit.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Determining the output resistance R of of the series–series feedback amplifier.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Circuits for Example 10.5.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Circuits for Example 10.6.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure (a) Ideal structure for the shunt–shunt feedback amplifier. (b) Equivalent circuit of the amplifier in (a).

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Block diagram for a practical shunt–shunt feedback amplifier.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure E10.15

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure (a) Ideal structure for the shunt–series feedback amplifier. (b) Equivalent circuit of the amplifier in (a).

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Block diagram for a practical shunt–series feedback amplifier.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Circuit for Example 10.8.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure (a) A feedback loop that represents both the inverting and the noninverting op-amp configurations; (b) equivalent circuit; (c) determination of the loop gain.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure The Nyquist plot of an unstable amplifier.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Relationship between pole location and transient response.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Effect of feedback on (a) the pole location and (b) the frequency response of an amplifier having a single-pole, open-loop response.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Root-locus diagram for a feedback amplifier whose open-loop transfer function has two real poles.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Normalized gain of a two-pole feedback amplifier for various values of Q. Note that Q is determined by the loop gain according to Eq. (10.94).

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Circuits and plot for Example 10.9.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure 10.E23

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure Stability analysis using Bode plot of |A|.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure (a) Two cascaded gain stages of a multistage amplifier. (b) Equivalent circuit for the interface between the two stages in (a). (c) Same circuit as in (b), but with a compensating capacitor C C added. Note that the analysis here applies equally well to MOS amplifiers.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure (a) A gain stage in a multistage amplifier with a compensating capacitor connected in the feedback path, and (b) an equivalent circuit. Note that although a BJT is shown, the analysis applies equally well to the MOSFET case.

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.2

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.3

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.22

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.26

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.27

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.28

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.30

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.34

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.36

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.37

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.38

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.39

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.40

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.41

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.42

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.45

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.46

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.47

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.48

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.49

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.51

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.52

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.55

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.56

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.57

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.61

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.65

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.66

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.67

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.68

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.69

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.70

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.71

Microelectronic Circuits, Sixth Edition Sedra/Smith Copyright © 2010 by Oxford University Press, Inc. Figure P10.100