+30 VO I 2-11 R soilqqs arsin 10 k2 gellov obons (d) 4.7 kN

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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#4

HYRISTORS
EMS
Answers to all odd-numbered problems are at the end of the book.
BASIC PROBLEMS
(6) ogs cm
Section 11-1
The Four-Layer Diode
Determine the anode current for VRR(E) = 20 V, VBE = 0.7, and VCE(sat)
Rs
FIGURE 11-92
1.0 kN
(G)
(C) pc
VBIAS
()
A SZ
otize (bi oinlugn bollounoo nooilla (o)
2. (a) Determine the resistance of a certain four-layer diode in the forward-blocking region if
VAK = 15 V and I= 1 uA.
(b) If the forward-breakover voltage is 50 V, how much must VAK be increased to switch the
diode into the forward-conduction region?
O) bas
Section 11-2
The Silicon-Controlled Rectifier (SCR) otany o (s)
3. Explain the operation of an SCR in terms of its transistor equivalent.
enoi 4, To what value must the variable resistor be adjusted in Figure 11-53 in order to turn the SCR
off? Assume lH
10 mA and VAK = 0.7 V.
(g) 02
FIGURE 11-53
+30 VO
Multisim and LT Spice file circuits
are identified with a logo and are in
enos the Problems folder on the website.ilggs aroin
Filenames correspond to figure num- oio sni
Spice
13, v
10 k2
1-2 13
R
I
26
bers (e.g., FGM11-53 or FGS11-53).
wnol aboooxS 1i ogellov obons
plog oborbro
4.7 kN
2 Comm
on
abone odi nooalu 5. By examination of the circuit in Figure 11–54, explain its purpose
and basic operation.
eniblord or w
CITLL
(d) bns
obone sd o aalug ovn
Curp
brj bu e capo
Motor
Transcribed Image Text:HYRISTORS EMS Answers to all odd-numbered problems are at the end of the book. BASIC PROBLEMS (6) ogs cm Section 11-1 The Four-Layer Diode Determine the anode current for VRR(E) = 20 V, VBE = 0.7, and VCE(sat) Rs FIGURE 11-92 1.0 kN (G) (C) pc VBIAS () A SZ otize (bi oinlugn bollounoo nooilla (o) 2. (a) Determine the resistance of a certain four-layer diode in the forward-blocking region if VAK = 15 V and I= 1 uA. (b) If the forward-breakover voltage is 50 V, how much must VAK be increased to switch the diode into the forward-conduction region? O) bas Section 11-2 The Silicon-Controlled Rectifier (SCR) otany o (s) 3. Explain the operation of an SCR in terms of its transistor equivalent. enoi 4, To what value must the variable resistor be adjusted in Figure 11-53 in order to turn the SCR off? Assume lH 10 mA and VAK = 0.7 V. (g) 02 FIGURE 11-53 +30 VO Multisim and LT Spice file circuits are identified with a logo and are in enos the Problems folder on the website.ilggs aroin Filenames correspond to figure num- oio sni Spice 13, v 10 k2 1-2 13 R I 26 bers (e.g., FGM11-53 or FGS11-53). wnol aboooxS 1i ogellov obons plog oborbro 4.7 kN 2 Comm on abone odi nooalu 5. By examination of the circuit in Figure 11–54, explain its purpose and basic operation. eniblord or w CITLL (d) bns obone sd o aalug ovn Curp brj bu e capo Motor
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