Exercise 8 An ideal diode supplied by a sinusoidal voltage source e(t) = 24 sin wt deliver through a resistor R = 202 in a counter electromotive force E = 12 V (figure 2). elt) F 1. Calculate the values of 0(t) = wt which correspond to a change of state of the diode. 2. Give the expression of electric current. Deduce the potential differences across the resistor and the diode. 3. What is the maximum reverse voltage supported by the diode? 4. Plot on the same graph e(t), Va(t) as well as the potential difference across the resistor. R Z↑YD E Figure 2

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Exercise 8

Exercise 7
In the circuit of figure 1 below, the diode is characterized by its internal
resistor rd and its threshold voltage Va. Express the output voltage Vs as a
function of E. NA: ra= 50, V₁ = 0.7 V, R₁ = R₂ = 10k, R₁ = 1 kQ, E = 12 V.
M
2013
M
Exercise 8
An ideal diode supplied by a sinusoidal voltage source e(t) = 24 sin wt deliver
through a resistor R = 202 in a counter electromotive force E = 12 V (figure 2).
Figure 1
1. Calculate the values of 0(t) = wt which correspond to a change of state of
the diode.
2. Give the expression of electric current. Deduce the potential differences
across the resistor and the diode.
R
3. What is the maximum reverse voltage supported by the diode?
4. Plot on the same graph e(t), Va(t) as well as the potential difference
across the resistor.
ZYD
E
Figure 2
Exercise 9
In the circuit of figure 3, the diode is perfect and we suppose Ve(t) = Vm sin wt
with Vm > Vr.
1. Express the voltage V₂(t).
2. Draw the waveforms of V, (t) and Ve(t) on the same frame for Vm = 5V and
V₁ = 1V.
Transcribed Image Text:Exercise 7 In the circuit of figure 1 below, the diode is characterized by its internal resistor rd and its threshold voltage Va. Express the output voltage Vs as a function of E. NA: ra= 50, V₁ = 0.7 V, R₁ = R₂ = 10k, R₁ = 1 kQ, E = 12 V. M 2013 M Exercise 8 An ideal diode supplied by a sinusoidal voltage source e(t) = 24 sin wt deliver through a resistor R = 202 in a counter electromotive force E = 12 V (figure 2). Figure 1 1. Calculate the values of 0(t) = wt which correspond to a change of state of the diode. 2. Give the expression of electric current. Deduce the potential differences across the resistor and the diode. R 3. What is the maximum reverse voltage supported by the diode? 4. Plot on the same graph e(t), Va(t) as well as the potential difference across the resistor. ZYD E Figure 2 Exercise 9 In the circuit of figure 3, the diode is perfect and we suppose Ve(t) = Vm sin wt with Vm > Vr. 1. Express the voltage V₂(t). 2. Draw the waveforms of V, (t) and Ve(t) on the same frame for Vm = 5V and V₁ = 1V.
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