Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 1 Introduction to Electronic Circuit Design.

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Presentation transcript:

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 1 Introduction to Electronic Circuit Design Richard R. Spencer Mohammed S. Ghausi

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 2 Figure 12-1 A half-wave rectifier circuit and its associated waveforms.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 3 Figure 12-4 (a) A half-wave rectifier with a single capacitor. (b) The input and output voltages.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 4 Figure 12-8 A full-wave rectifier. Figure 12-9 Input and output waveforms for the circuit in Figure It is assumed that the secondary has twice as many turns as the primary, so that each half yields a voltage equal to v i.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 5 Figure A full-wave bridge rectifier circuit.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 6 Figure (a) A clamping circuit and (b) the input and output waveforms.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 7 Figure A voltage-doubler circuit and its associated waveforms.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 8 Figure A bipolar implementation of an amplifier with both voltage and current gain. Figure The output of the circuit in Figure when the transistor is cut off.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 9 Figure An emitter follower.Figure The large-signal equivalent circuit for the emitter follower. Figure The equivalent circuit when the transistor is cutoff.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 10 Figure A MOSFET implementation of an amplifier with both voltage and current gain. (I D = 2 mA, V D = 12 V, and V S = 7 V.) Figure The output of the circuit in Figure when the transistor is cut off.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 11 Figure A source follower.Figure The large-signal midband equivalent circuit for the source follower when the transistor is forward active. Figure The large-signal midband equivalent circuit for the source follower when the transistor is in the linear region.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 12 Figure The large-signal equivalent circuit for finding v Omax when v G  V DD. Figure The equivalent circuit when the transistor is cut off.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 13 Figure The transistor output currents in (a) a class A output stage, (b) a class B output stage, (c) a class AB output stage, and (d) a class C output stage.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 14 Figure A generic Class B output stage.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 15 Figure Crossover distortion in a Class B output stage.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 16 Figure (a) A negative-feedback amplifier with a Class B output stage. (b) The static transfer characteristic of the output stage. (c) The static transfer characteristic of the closed- loop amplifier.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 17 Figure (a) A Class B bipolar output stage. (b) The static transfer characteristic.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 18 Figure (a) A Class B MOSFET output stage. (b) The static transfer characteristic.

Spencer/Ghausi, Introduction to Electronic Circuit Design, 1e, ©2003, Pearson Education, Inc. Chapter 12, slide 19 Figure Equivalent circuit for finding the temperature of a junction dissipating P j watts. Figure A transistor power derating curve.