CHAPTER 1 AMPLIFIERSUSES OF AMPLIFICATIONCLASSIFICATION OF AMPLIFIERSPOWER AMPLIFIERFREQUENCY RESPONSE OF AMPLIFIERSAMPLIFIER CLASSES OF OPERATION - 14180_18Class AB Operation Class B Operation - 14180_20AMPLIFIER COUPLING Direct Coupling - 14180_22RC Coupling Impedance Coupling - 14180_24Transformer Coupling IMPEDANCE CONSIDERATIONS FOR AMPLIFIERSFigure 1-13.Effect of impedance matching in the coupling of two circuitsImpedance Characteristics of Amplifier ConfigurationsImpedance Characteristics of Amplifier Configurations-Cont.AMPLIFIER FEEDBACKFigure 1-16.Negative feedback in an amplifierPositive FeedbackFigure 1-18.Positive feedback in a transistor amplifierFigure 1-19.Positive feedback in two stages of transistor amplificationNegative FeedbackAUDIO AMPLIFIERS SINGLE-STAGE AUDIO AMPLIFIERSFigure 1-23.Transistor audio amplifier.PHASE SPLITTERSFigure 1-27.Single-stage transistor phase splitterPUSH-PULL AMPLIFIERSSUMMARY - 14180_42CLASS A OPERATIONCLASS B OPERATION - 14180_44DIRECT COUPLING - 14180_45IMPEDANCE COUPLING - 14180_46MAXIMUM VOLTAGE INPUT SIGNALCOMMON-BASEPOSITIVE (REGENERATIVE) FEEDBACKPHASE SPLITTERANSWERS TO QUESTIONS Q1. THROUGH Q33 - 14180_51ANSWERS TO QUESTIONS Q1. THROUGH Q33 - 14180_52CHAPTER 2 VIDEO AND RF AMPLIFIERSAMPLIFIER FREQUENCY RESPONSEBANDWIDTH OF AN AMPLIFIER - 14180_55BANDWIDTH OF AN AMPLIFIER - 14180_56READING AMPLIFIER FREQUENCY-RESPONSE CURVESFigure 2-2C.Frequency response curvesFigure 2-2D.Frequency response curves.Figure 2-3B.Frequency-response curves for Q3FACTORS AFFECTING FREQUENCY RESPONSE OF AN AMPLIFIERFigure 2-4B.Amplifiers showing reactive elements and reactanceFigure 2-5.Interelectrode capacitance of a transistorVIDEO AMPLIFIERSShunt PeakingCombination Peaking - 14180_66LOW-FREQUENCY COMPENSATION FOR VIDEO AMPLIFIERSTYPICAL VIDEO-AMPLIFIER CIRCUITRADIO-FREQUENCY AMPLIFIERSAMPLIFIER INPUT/OUTPUT IMPEDANCE AND GAINFREQUENCY-DETERMINING NETWORK FOR AN RF AMPLIFIERFigure 2-14.Simple rf amplifierRF AMPLIFIER COUPLINGFigure 2-16A.Effect of coupling on frequency response. LOOSE COUPLINGCOMPENSATION OF RF AMPLIFIERSNeutralization of RF AmplifiersFigure 2-18.Neutralized rf amplifierFigure 2-19.Typical AM radio rf amplifierFigure 2-20.Typical vhf television rf amplifier.FREQUENCY-RESPONSE CURVEUPPER-FREQUENCY RESPONSESERIES PEAKINGCOMBINATION PEAKING - 14180_83TRANSFORMER COUPLINGANSWERS TO QUESTIONS Q1. THROUGH Q42. - 14180_85ANSWERS TO QUESTIONS Q1. THROUGH Q42. - 14180_86ANSWERS TO QUESTIONS Q1. THROUGH Q42. - 14180_87CHAPTER 3 SPECIAL AMPLIFIERSDIFFERENTIAL AMPLIFIERSFigure 3-1B.Common-emitter and common-base amplifiersTHE TWO-INPUT, SINGLE-OUTPUT, DIFFERENCE AMPLIFIER - 14180_92Figure 3-3.Input signals 180 out of phaseTHE TWO-INPUT, SINGLE-OUTPUT, DIFFERENCE AMPLIFIER - 14180_94Figure 3-4.Input signals in phaseTHE TWO-INPUT, SINGLE-OUTPUT, DIFFERENCE AMPLIFIER - 14180_96Figure 3-5.Input signals 90 out of phaseTYPICAL DIFFERENTIAL AMPLIFIER CIRCUITSINGLE-INPUT, SINGLE-OUTPUT, DIFFERENTIAL AMPLIFIERSINGLE-INPUT, DIFFERENTIAL-OUTPUT, DIFFERENTIAL AMPLIFIERDIFFERENTIAL-INPUT, DIFFERENTIAL-OUTPUT, DIFFERENTIAL AMPLIFIERFigure 3-9.Differential-input, differential-output differential amplifierOPERATIONAL AMPLIFIERSBLOCK DIAGRAM OF AN OPERATIONAL AMPLIFIERFigure 3-11.Block diagram of an operational amplifierCLOSED-LOOP OPERATION OF AN OPERATIONAL AMPLIFIER - 14180_106Figure 3-13.Inverting configurationFigure 3-14C.Virtual ground circuitsCLOSED-LOOP OPERATION OF AN OPERATIONAL AMPLIFIER - 14180_109CLOSED-LOOP OPERATION OF AN OPERATIONAL AMPLIFIER - 14180_110Noninverting Configuration - 14180_111Figure 3-16.Noninverting configurationBANDWIDTH LIMITATIONSFigure 3-17.Open-loop frequency-response curveFigure 3-18.Closed-loop frequency-response curve for gain of 100Figure 3-19.Closed-loop frequency-response curve for gain of 10APPLICATIONS OF OPERATIONAL AMPLIFIERSFigure 3-20.Two-input adderFigure 3-21.Current and voltage in a two-input adderFigure 3-22.Five-input adderFigure 3-23.Summing amplifierSCALING AMPLIFIER - 14180_122Figure 3-24.Scaling amplifierSumming Amplifier (Adder)-Cont.Difference Amplifier (Subtractor) - 14180_125Difference Amplifier (Subtractor) - 14180_126Difference Amplifier (Subtractor) - 14180_127Difference Amplifier (Subtractor) - 14180_128Difference Amplifier (Subtractor) - 14180_129Figure 3-27.Circuit for Q31 through Q33MAGNETIC AMPLIFIERS - 14180_131BASIC OPERATION OF A MAGNETIC AMPLIFIER-Cont.METHODS OF CHANGING INDUCTANCEFigure 3-30.Varying coil inductance with a movable coilSATURABLE-CORE REACTOR - 14180_135Figure 3-32.A simple saturable-core reactor circuitFigure 3-34.Magnetization and permeability curves with operating pointFigure 3-36A.Three-legged, saturable-core reactor. FIRST HALF CYCLEFigure 3-37A.Toroidal saturable-core reactor. FIRST HALF CYCLESIMPLIFIED MAGNETIC AMPLIFIER CIRCUITRYFigure 3-38A.Simple half-wave magnetic amplifier. FIRST HALF CYCLEFigure 3-39A.Simple full-wave magnetic amplifier. FIRST HALF CYCLEFigure 3-40.Full-wave magnetic amplifier with bias windingSUMMARY - 14180_144Differencial Amplifier in phaseDIFFERENTIAL AMPLIFIERSINGLE INPUT and a DIFFERENTIAL OUTPUTOPERATIONAL AMPLIFIERNONINVERTING CONFIGURATION - 14180_149GAIN-BANDWIDTH PRODUCTSCALING AMPLIFIER - 14180_151SATURABLE-CORE REACTOR - 14180_152MAGNETIC AMPLIFIERS - 14180_153BIAS WINDINGANSWERS TO QUESTIONS Q1. THROUGH Q50. - 14180_155ANSWERS TO QUESTIONS Q1. THROUGH Q50. - 14180_156ANSWERS TO QUESTIONS Q1. THROUGH Q50. - 14180_157ANSWERS TO QUESTIONS Q1. THROUGH Q50. - 14180_158APPENDIX I GLOSSARY - 14180_159APPENDIX I GLOSSARY - 14180_160APPENDIX I GLOSSARY - 14180_161MODULE 8 INDEX - 14180_163MODULE 8 INDEX - 14180_164MODULE 8 INDEX - 14180_165Assignment Questions - 14180_167Assignment Questions - 14180_169Assignment Questions - 14180_170Assignment Questions - 14180_171Assignment Questions - 14180_172Assignment Questions - 14180_173Assignment Questions - 14180_174Assignment Questions - 14180_175Assignment Questions - 14180_176Assignment Questions - 14180_177Assignment Questions - 14180_178Assignment Questions - 14180_179Assignment Questions - 14180_180Assignment Questions - 14180_181Assignment Questions - 14180_182Assignment Questions - 14180_183Assignment Questions - 14180_184Assignment Questions - 14180_185Assignment Questions - 14180_186