(2-5)H.wFor the dif amp. shown in Fig.(2-21),calculate:The operating points for Q, BB Qzb--Ac es AdC- V. shhown.Assume B=200, ,Vz =l mV Chum.s.) anod gete ideal current2m V (rms)Source.18VRc1skuAns.Rc18krg%3DNoIB4.98 MAIc =0.995MA%3DVc O Vfig. (2-21)VB = OvVE= -0.7VVCt = 0.7VAc= 0, Ad=-346.15,V,=-346-15%3D%3D

Since the circuit the network is symmetric and matched. IEQ1=IEQ2=1 mA

Answered: H.w(2-5) For the diff amp, shown in…

Engineering

Electrical Engineering

H.w(2-5) For the diff amp, shown in Fig.(2-21), cal culate: a- The operating points for Q, 8 Q2

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Differential amplifier

There are two amplifying stages with common degeneration in a differential amplifier.

Question

(2-5)
H.w
For the dif amp. shown in Fig.(2-21),
calculate:
The operating points for Q, BB Qz
b--Ac es Ad
C- V. shhown.
Assume B=200, ,
Vz =l mV Chum.s.) anod gete ideal current
2m V (rms)
Source.
18V
Rc
1sku
Ans.
Rc
18krg
%3D
No
IB
4.98 MA
Ic =0.995MA
%3D
Vc O V
fig. (2-21)
VB = Ov
VE= -0.7V
VCt = 0.7V
Ac= 0, Ad=-346.15,V,=-346-15
%3D
%3D

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