Microelectronics: Circuit Analysis and Design
4th Edition
ISBN: 9780073380643
Author: Donald A. Neamen
Publisher: McGraw-Hill Companies, The
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Textbook Question
Chapter 7, Problem 7RQ
Describe the general frequency response of a coupling capacitor, a bypasscapacitor, and a load capacitor.
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In the nominal pi model which among these
are divided into two halves?
a. Series impedance
O b. None of these.
c. Shunt capacitance
d. Both (A) and (B)
URGENT PLEASE
Two SCRs are used in a midpoint converter arrangement. The source RMS voltage is230 V, and the frequency is 50 Hz. The load is 100 mH inductor in series with 2 .The input lines have series inductance 50 H.
(a) For a phase delay of 45, plot the voltage waveform measured at the output of the midpoint converter.
(b) What is the output power for 45 delay?
Chapter 7 Solutions
Microelectronics: Circuit Analysis and Design
Ch. 7 - (a) For the circuit shown in Figure 7.2, the...Ch. 7 - The circuit shown in Figure 7.10 has parameters of...Ch. 7 - For the equivalent circuit shown in Figure 7.13,...Ch. 7 - The equivalent circuit in Figure 7.14 has circuit...Ch. 7 - The parameters in the circuit shown in Figure 7.15...Ch. 7 - For the circuit shown in Figure 7.2 1(a), the...Ch. 7 - Consider the circuit shown in Figure 7.22(a). The...Ch. 7 - For the emitterfollower circuit shown in Figure...Ch. 7 - The circuit shown in Figure 7.27(a) has parameters...Ch. 7 - Consider the common-base circuit shown in Figure...
Ch. 7 - The commonemitter circuit shown in Figure 7.34...Ch. 7 - A bipolar transistor has parameters o=120 ,...Ch. 7 - Prob. 7.9EPCh. 7 - For the circuit in Figure 7.41(a), the parameters...Ch. 7 - A bipolar transistor is biased at ICQ=120A and its...Ch. 7 - For the transistor described in Example 7.9 and...Ch. 7 - The parameters of a bipolar transistor are: o=150...Ch. 7 - The parameters of an nchannel MOSFET are...Ch. 7 - For the circuit in Figure 7.55, the transistor...Ch. 7 - An nchannel MOSFET has parameters Kn=0.4mA/V2 ,...Ch. 7 - An nchannel MOSFET has a unitygain bandwidth of...Ch. 7 - For a MOSFET, assume that gm=1.2mA/V . The basic...Ch. 7 - The transistor in the circuit in Figure 7.60 has...Ch. 7 - Consider the commonbase circuit in Figure 7.64....Ch. 7 - The cascode circuit in Figure 7.65 has parameters...Ch. 7 - Prob. 7.12TYUCh. 7 - For the circuit in Figure 7.72, the transistor...Ch. 7 - Describe the general frequency response of an...Ch. 7 - Describe the general characteristics of the...Ch. 7 - Describe what is meant by a system transfer...Ch. 7 - What is the criterion that defines a corner, or...Ch. 7 - Describe what is meant by the phase of the...Ch. 7 - Describe the time constant technique for...Ch. 7 - Describe the general frequency response of a...Ch. 7 - Sketch the expanded hybrid model of the BJT.Ch. 7 - Prob. 9RQCh. 7 - Prob. 10RQCh. 7 - Prob. 11RQCh. 7 - Sketch the expanded smallsignal equivalent circuit...Ch. 7 - Define the cutoff frequency for a MOSFET.Ch. 7 - Prob. 14RQCh. 7 - Why is there not a Miller effect in a commonbase...Ch. 7 - Describe the configuration of a cascode amplifier.Ch. 7 - Why is the bandwidth of a cascode amplifier...Ch. 7 - Why is the bandwidth of the emitterfollower...Ch. 7 - Prob. 7.1PCh. 7 - Prob. 7.2PCh. 7 - Consider the circuit in Figure P7.3. (a) Derive...Ch. 7 - Consider the circuit in Figure P7.4 with a signal...Ch. 7 - Consider the circuit shown in Figure P7.5. (a)...Ch. 7 - A voltage transfer function is given by...Ch. 7 - Sketch the Bode magnitude plots for the following...Ch. 7 - (a) Determine the transfer function corresponding...Ch. 7 - Consider the circuit shown in Figure 7.15 with...Ch. 7 - For the circuit shown in Figure P7.12, the...Ch. 7 - The circuit shown in Figure 7.10 has parameters...Ch. 7 - The transistor shown in Figure P7.14 has...Ch. 7 - Consider the circuit shown in Figure P7.15. The...Ch. 7 - The transistor in the circuit shown in Figure...Ch. 7 - For the common-emitter circuit in Figure P7.17,...Ch. 7 - The transistor in the circuit in Figure P7.20 has...Ch. 7 - For the circuit in Figure P7.21, the transistor...Ch. 7 - (a) For the circuit shown in Figure P7.22, write...Ch. 7 - Consider the circuit shown in Figure P7.23. (a)...Ch. 7 - The parameters of the transistor in the circuit in...Ch. 7 - A capacitor is placed in parallel with RL in the...Ch. 7 - The parameters of the transistor in the circuit in...Ch. 7 - Prob. D7.27PCh. 7 - The circuit in Figure P7.28 is a simple output...Ch. 7 - Reconsider the circuit in Figure P728. The...Ch. 7 - Consider the circuit shown in Figure P7.32. The...Ch. 7 - The commonemitter circuit in Figure P7.35 has an...Ch. 7 - Consider the commonbase circuit in Figure 7.33 in...Ch. 7 - Prob. 7.39PCh. 7 - The parameters of the transistor in the circuit in...Ch. 7 - In the commonsource amplifier in Figure 7.25(a) in...Ch. 7 - A bipolar transistor has fT=4GHz , o=120 , and...Ch. 7 - A highfrequency bipolar transistor is biased at...Ch. 7 - (a) The frequency fT of a bipolar transistor is...Ch. 7 - The circuit in Figure P7.48 is a hybrid ...Ch. 7 - Consider the circuit in Figure P7.49. Calculate...Ch. 7 - A common-emitter equivalent circuit is shown in...Ch. 7 - For the common-emitter circuit in Figure 7.41(a)...Ch. 7 - For the commonemitter circuit in Figure P7.52,...Ch. 7 - Consider the circuit in Figure P7.52. The resistor...Ch. 7 - The parameters of the circuit shown in Figure...Ch. 7 - The parameters of an nchannel MOSFET are kn=80A/V2...Ch. 7 - Find fT for a MOSFET biased at IDQ=120A and...Ch. 7 - Fill in the missing parameter values in the...Ch. 7 - (a) An nchannel MOSFET has an electron mobility of...Ch. 7 - A commonsource equivalent circuit is shown in...Ch. 7 - Prob. 7.60PCh. 7 - The parameters of an ideal nchannel MOSFET are...Ch. 7 - Figure P7.62 shows the highfrequency equivalent...Ch. 7 - For the FET circuit in Figure P7.63, the...Ch. 7 - The midband voltage gain of a commonsource MOSFET...Ch. 7 - Prob. 7.65PCh. 7 - Prob. 7.67PCh. 7 - The bias voltages of the circuit shown in Figure...Ch. 7 - For the PMOS commonsource circuit shown in Figure...Ch. 7 - In the commonbase circuit shown in Figure P7.70,...Ch. 7 - Repeat Problem 7.70 for the commonbase circuit in...Ch. 7 - In the commongate circuit in Figure P7.72, the...
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- a) Draw the basic topology of a buck converter. b) Design a buck converter to produce an output voltage of 18 V across a 10 2 load resistor. The output voltage ripple must not exceed 0.5 percent. The de supply is 48 V. Design for continuous inductor current. Specify the duty ratio, the switching frequency, the values of the inductor and capacitor, the peak voltage rating of each device, and the rms current in the inductor and capacitor. Assume ideal components.arrow_forwardQ2) Design a Bridge FWR to supply a load of (1002) with the waveform shown in figure from the main power supply of (220 Vrms). Find: - 1- The transformer turns ratio (a). 2- The ripple voltage. Vot Vm = 12 V 3- The Vde value. 4- The RMS value of the output voltage. 5- The ripple factor. 6- The value of capacitor filter. Vip = 0.1 V (assume ideal diodes) T=0.01 sec. tisec) Q3) V in Design a regulated circuit to supply a constant voltage of (10 V) across a resistive load of (50 2). The input voltage is shown in the figure. The minimum current for the Zener diode operation is (Izk=5mA). Find the 15 V 15 maximum power dissipated in the Zener diode. 12.5 12 V 10arrow_forward6.8. In a single-phase mid-point converter, turns ratio from primary to each secondary is source voltage is 230 V, 50 Hz. For a resistive load of R = 22, determine ry is 1.25. The eldsoilage at.noitulos sol to arty 10 10dairydd add 2018 agatlov bas (a) maximum value of average output voltage and load current and the corresponding firing and conduction angles, (b) maximum average and rms thyristor currents, (c) maximum possible values of positive and negative voltages across SCRs, beef JЯ A (6) (d) the value of a for load voltage of 100 V, H 80.0 3 bas 201Я of part (d).88 mois q sealuq-sno saada olgais e 101 (a),8.3 sin wt d(wt) etc.) (e) the value of voltage across SCR at the instant of commutation for a of Hint. (b) Maximum average thyristor current = 1 Vm 2π J0R π bsof bus [Ans. (a) 165.63 V, 82.82 A, a = 0°, y= 180° (b) 41.41 A, 65.054 A (c) 520.4 V, 520.4 V (d) 52.862° (e) 414.82 V] Phase Controlled Rectifiers [Prob. 6] 243 bao6.9. (a) A single-phase full converter charges a…arrow_forward
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