chap7 3115

chap7 3115 - the BJT differential pair . (a) with a common...

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Chapter 7 Differential and Multistage Amplifiers
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Differential Amplifier Most widely used building block in analog IC design . Popular in both bipolar and MOS technologies . Differential circuits are much less sensitive to noise and interference than single- ended circuits . Amplifiers can be coupled together without the need of capacitors (desirable for IC fabrication , area issue) . Utilizing more components (almost twice) than singled – ended circuits .
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Table 6-3 . Comparison between MOSFET and BJT
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BJT-MOSFET Comparison (continued)
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BJT –MOSFET comparison (cont’d)
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BJT-MOSFET comparison (cont’d)
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7-3 The BJT Differential Pair Fig. 7-12 . The basic BJT differential pair configuration
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Fig. 7-13 . Differential modes of
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Unformatted text preview: the BJT differential pair . (a) with a common mode v CM . (b) with a “large” differential input signal Fig. 7-13 (continued) . (c )with a large differential input signal opposite to that in (b) and (d) with a small differential input v I 7-3-2 Large signal operation Fig. 7-14 . Transfer characteristics of the BJT differential pair 7-3-3 Small Signal Operation . Fig. 7-16 . The current and voltages in the differential amplifiers with a small signal v ID An alternative Viewpoint . Fig. 7-17 . Determining the signal currents in a differential amplifier Input Differential Resistance . Fig. 7-18 . Differential amplifier with emitter resistances...
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This note was uploaded on 12/20/2009 for the course EE 3112 taught by Professor Nangtran during the Summer '09 term at Minnesota.

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chap7 3115 - the BJT differential pair . (a) with a common...

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