This quantity is known as the line regulation and isusually expressed in mV/V.(b) Generalize the expression above for the case of m diodesconnected in series and the value of R adjusted so thatthe voltage across each diode is 0.7 V (and V. =0.7m V).(c) Calculate the value of line regulation for the casev* = 10 V (nominally) and (i) m =1 and (ii) m = 3.%3D *4.57 Consider the voltage-regulator circuit shown inFig. P4.57. The value of R is selected to obtain an outputvoltage V, (across the diode) of 0.7 v.VoFigure P4.57(a) Use the diode small-signal model to show that the changein output voltage corresponding to a change of 1 V inv* isAV.AV+V,%3DV* + V, -0.7

Consider the voltage-regulator circuit given below, The value of R is selected to obtain an output…

*4.57 Consider the voltage-regulator circuit shown in Fig. P4.57. The value of R is selected to obtain an output voltage V, (across the diode) of 0.7 V. m ▷ Vo Figure P4.57 (a) Use the diode small-signal model to show that the change in output voltage corresponding to a change of 1 V in V is AV AV+ V₁ V+ + V₁ -0.7

*4.57 Consider the voltage-regulator circuit shown in Fig. P4.57. The value of R is selected to obtain an output voltage V, (across the diode) of 0.7 V. m ▷ Vo Figure P4.57 (a) Use the diode small-signal model to show that the change in output voltage corresponding to a change of 1 V in V is AV AV+ V₁ V+ + V₁ -0.7

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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Question

This quantity is known as the line regulation and is
usually expressed in mV/V.
(b) Generalize the expression above for the case of m diodes
connected in series and the value of R adjusted so that
the voltage across each diode is 0.7 V (and V. =0.7m V).
(c) Calculate the value of line regulation for the case
v* = 10 V (nominally) and (i) m =1 and (ii) m = 3.
%3D

*4.57 Consider the voltage-regulator circuit shown in
Fig. P4.57. The value of R is selected to obtain an output
voltage V, (across the diode) of 0.7 v.
Vo
Figure P4.57
(a) Use the diode small-signal model to show that the change
in output voltage corresponding to a change of 1 V in
v* is
AV.
AV+
V,
%3D
V* + V, -0.7

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Step 2: a) Show that the change in output voltage corresponding to a change of 1 V in V;

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Step 3: b) Generalize the expression above for the case of m diodes:

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Step 4: c) To calculate the value of line regulation for the case V+=10V:

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