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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig 5.2 A typical op amp: a) pin configuration, b) circuit symbol

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.3 The equivalent circuit of the non-ideal op amp

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.10 The inverting amplifier

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.16 The noninverting amplifier

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.17 The voltage follower

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.21 The summing amplifier

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.24 The difference amplifier

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.28 A three-stage cascaded connection

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.33 Nonideal op amp models available in Pspice

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.35 Four-bit DAC: a)block diagram, b)binary weighted ladder type

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.35 Four-bit DAC: a)block diagram, b)binary weighted ladder type

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ELECTRICELECTRICCIRCUITSCIRCUITS

F U N D A M E N T A L S O FCHARLES K. ALEXANDERMATTHEW N.O. SADIKU

McGraw-Hill © The McGraw-Hill Companies, Inc., 2000

Fig. 5.37 a) the instrumentation amplifier with external resistance to adjust gain b) schematic diagram