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R R1 2 k2 R6 RL Ric 2 k2 R. R1. R;p R;s 12 kQ 18 k2 13 k2 18 k2 (a) (b) Figure 14.21 ac Equivalent circuits for the (a) C-B and (b) C-G amplifiers. The small-signal limit requires (14.84) |vi| < 0.005(1 + &.R1) V For the FET case, replacing veb by vsg yields vị = Vsg(1+ gmR1) and |v:| < 0.2(VGs – VTN)(1+ gmR1) The relative size of R¡ and gm will determine the signal-handling limits. (14.85)

R R1 2 k2 R6 RL Ric 2 k2 R. R1. R;p R;s 12 kQ 18 k2 13 k2 18 k2 (a) (b) Figure 14.21 ac Equivalent circuits for the (a) C-B and (b) C-G amplifiers. The small-signal limit requires (14.84) |vi| < 0.005(1 + &.R1) V For the FET case, replacing veb by vsg yields vị = Vsg(1+ gmR1) and |v:| < 0.2(VGs – VTN)(1+ gmR1) The relative size of R¡ and gm will determine the signal-handling limits. (14.85)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Calculate the maximum values of vi for the C-B and C-G amplifiers in 14.21 based on Eqs. (14.84) and (14.85).

R R1 2 k2 R6 RL Ric 2 k2 R. R1. R;p R;s 12 kQ 18 k2 13 k2 18 k2 (a) (b) Figure 14.21 ac Equivalent circuits for the (a) C-B and (b) C-G amplifiers.
Transcribed Image Text:R R1 2 k2 R6 RL Ric 2 k2 R. R1. R;p R;s 12 kQ 18 k2 13 k2 18 k2 (a) (b) Figure 14.21 ac Equivalent circuits for the (a) C-B and (b) C-G amplifiers.
The small-signal limit requires (14.84) |vi| < 0.005(1 + &.R1) V For the FET case, replacing veb by vsg yields vị = Vsg(1+ gmR1) and |v:| < 0.2(VGs – VTN)(1+ gmR1) The relative size of R¡ and gm will determine the signal-handling limits. (14.85)
Transcribed Image Text:The small-signal limit requires (14.84) |vi| < 0.005(1 + &.R1) V For the FET case, replacing veb by vsg yields vị = Vsg(1+ gmR1) and |v:| < 0.2(VGs – VTN)(1+ gmR1) The relative size of R¡ and gm will determine the signal-handling limits. (14.85)
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