Electrical Engineering: Principles & Applications (7th Edition)
7th Edition
ISBN: 9780134484143
Author: Allan R. Hambley
Publisher: PEARSON
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Textbook Question
Chapter 9, Problem 9.8P
A diode operates in forward bias and is described by Equation 9.4, with
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Q3/B: Assume an ideal diode
model for all the diodes in the
circuit below. calculate voltages
and currents through D1 and D2
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D1
18KQ
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D3
1N1199C
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=12 V
R3
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R4
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صفحة 4 من 6
In the circuit shown below, the ideality factorn of the diode is unity and the voltage drop across it
is 0.7 V. The dynamic resistance of the diode at room temperature is approximately
1.7 V
31 k2
A clipper circuit based on diodes are simple way to modify waveform
in mechatronics. Assume that the two diodes shown in the circuit
below are ideal diodes. If the input voltage in the circuit is a 1 kHz
sinusoid with peak amplitude of 8V, sketch the Vaue (t).
10 k.
8V
10 kN.
D2
RL
Vourlt) Vin=
Vin(t)
Ims
D1
6V
-8V
4V
Page | 1
Chapter 9 Solutions
Electrical Engineering: Principles & Applications (7th Edition)
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- The impedance of Zener diode in the Circuit when the reverse current in the diode increases from 20 mA to 30 mA as the zener voltage changes from 4.6 V to 4.71 V is O a. 90 ohms O b. 11 ohms O c. 35 ohms O d. None of the Abovearrow_forwardA clipper circuit based on diodes are simple way to modify waveform in mechatronics. Assume that the two diodes shown in the circuit below are ideal diodes. If the input voltage in the circuit is a 1 kHz sinusoid with peak amplitude of 8V, sketch the Va.. (t) 10 kO 8V 10 kO Vin Vin(t) D2 Vout(t) RL Ims D1 6V -8V 4V Page | 1arrow_forwardConsider a junction diode has dc biased current at operating point ID=0.8 mA. A sinusoidal voltage is superimposed on the VD such that the peak-to-peak sinusoidal current id(t) = 0.05ID. Find the value of the applied peak-to-peak sinusoidal voltage vd(t).arrow_forward
- How do you identify the anode of an unmarked diode? When the forward current of a diode increases, its forward resistance The current flowing in a reverse-biased diode circuit is extremely while the resistance of the diode is extremely The Vz of a zener diode will fairly constant even if the power supply voltage The series resistor Rs is used with the zener diode to the zener current Iz to a level.arrow_forwardQuestion 1: In the circuit shown below, the output (Vo = 10V Max.) Unipolar. The frequency of Primary is 60 Hz. The diodes are Silicon with VD = 0.7V. a. Sketch the output without a Capacitor. b. Determine Voc without a Capacitor. c. Sketch Vs (at the Secondary). d. Determine Voc with a Capacitor of 10 uF across RL. e. Determine the RMS Value of Vp (at the Primary). f. PIV (Peak Inverse Voltage). 10:1 Output C. 22 k1 All diodes are IN4001. | 00000arrow_forwardDetermine the negative resistance for the tunnel diode in the figure between ?T = 0.2 ? and ?T = 0.4arrow_forward
- A- If V, is a sinusoidal voltage with Vm = 40 V, and V= 15 V. Plot the waveform of the output voltage in each of the following clippers circuits assuming ideal diodes. B- Repeat part (A) if the diodes are silicon diodes. R R R (a) (b) (c) (d)arrow_forwardFind the voltages at V1 and V2. Consider as a practical diode. 6V +V 10k Si Si 5k +v3Varrow_forward2. Draw the graph of the voltage across the 10K resistor (calculate the values for the different voltages across the 10K resistor) of the circuit in the figure, knowing that the voltage source V is sinusoidal. And the diodes are siliconarrow_forward
- The voltage signal coming out of the capacitor is with small ripples compare to the voltage signal out of the diode. True Falsearrow_forwardA forward voltage of 1.75V shifts to the left at a rate 2.65mV per degree centigrade in temperature from 25°C to -35°C. What is the new forward voltage of the diode? * Your answer Find the reverse saturation current of a Silicon diode that displays a forward current of 20 mA at 0.75 V when the Thermal Voltage is 0.038 V. ( Express your answer in 3 decimal places. Your answer can be in p (pico) or n (nano) unit. e.g. only 5 nV. Upload your solution in the file upload question but type Final Answer here. * Your answerarrow_forwardThe current through the diode in the circuit given in the Figure below when Vy = 0.7 V is? ww 8092 12V Select one a. 24.26 mA b. 13.09 mA c. 58.23 mA d. 40.13 mA 40-52 ww 3092 IDarrow_forward
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