Transcription of CHAPTER 1: THE OP AMP
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THE op amp CHAPTER 1: THE op amp INTRODUCTION SECTION : op amp OPERATION INTRODUCTION VOLTAGE FEEDBACK (VFB) MODEL BASIC OPERATION INVERTING AND NONINVERTING CONFIGURATIONS OPEN-LOOP GAIN GAIN BANDWIDTH PRODUCT STABILITY CRITERIA PHASE MARGIN CLOSED-LOOP GAIN SIGNAL GAIN NOISE GAIN LOOP GAIN BODE PLOT CURRENT FEEDBACK (CFB) MODEL DIFFERENCES FR
determines the quality of the op amp. This is referred to as the voltage feedback model. This type of op amp comprises nearly all op amps below 10 MHz bandwidth and on the order of 90% of those with higher bandwidths. Figure 1.2: The Attributes of an Ideal Op Amp Basic Operation The basic operation of the op amp can be easily summarized.
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