MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)
4th Edition
ISBN: 9781266368622
Author: NEAMEN
Publisher: MCG
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Textbook Question
Chapter 5, Problem 5.10P
An npn transistor has a reverse-saturation current of
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Chapter 5 Solutions
MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)
Ch. 5 - An npn transistor is biased in the forwardactive...Ch. 5 - (a) The common-emitter current gains of two...Ch. 5 - An npn transistor is biased in the forwardactive...Ch. 5 - The emitter current in a pnp transistor biased in...Ch. 5 - The output resistance of a bipolar transistor is...Ch. 5 - Assume that IC=1mA at VCE=1V , and that VBE is...Ch. 5 - The openemitter breakdown voltage is BVCBO=200V ,...Ch. 5 - A particular transistor circuit requires a minimum...Ch. 5 - The circuit elements in Figure 5.20(a) are changed...Ch. 5 - The circuit elements in Figure 5.22(a) are V+=3.3V...
Ch. 5 - (a) Verify the results of Example 5.3 with a...Ch. 5 - Consider the pnp circuit in Figure 5.22(a). Assume...Ch. 5 - In the following exercise problems, assume...Ch. 5 - In the following exercise problems, assume...Ch. 5 - The circuit elements in Figure 5.27(a) are changed...Ch. 5 - Using a PSpice simulation, plot the voltage...Ch. 5 - The parameters of the circuit shown in Figure...Ch. 5 - Design the commonbase circuit shown in Figure 5.33...Ch. 5 - The bias voltages in the circuit shown in Figure...Ch. 5 - The bias voltages in the circuit shown in Figure...Ch. 5 - The circuit elements in Figure 5.36(a) are V+=5V ,...Ch. 5 - For the transistor shown in the circuit of Figure...Ch. 5 - For the circuit shown in Figure 5.41, determine...Ch. 5 - Assume =120 for the transistor in Figure 5.42....Ch. 5 - For the transistor in Figure 5.43, assume =90 ....Ch. 5 - (a) Redesign the LED circuit in Figure 5.45(a)...Ch. 5 - The transistor parameters in the circuit in Figure...Ch. 5 - Redesign the inverter amplifier circuit shown in...Ch. 5 - For the circuit shown in Figure 5.44, assume...Ch. 5 - Consider the circuit shown in Figure 5.51(b)....Ch. 5 - [Note: In the following exercises, assume the BE...Ch. 5 - [Note: In the following exercises, assume the B—E...Ch. 5 - Consider the circuit in Figure 5.54(a), let...Ch. 5 - Prob. 5.16EPCh. 5 - The parameters of the circuit shown in Figure...Ch. 5 - Consider the circuit in Figure 5.54(a). The...Ch. 5 - Consider the circuit shown in Figure 5.58. The...Ch. 5 - In the circuit shown in Figure 5.60, the...Ch. 5 - The parameters of the circuit shown in Figure...Ch. 5 - For Figure 5.59, the circuit parameters are...Ch. 5 - In the circuit shown in Figure 5.61, determine new...Ch. 5 - For the circuit shown in Figure 5.63, the circuit...Ch. 5 - (a) Verily the cascode circuit design in Example...Ch. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - Define commonbase current gain and commonemitter...Ch. 5 - Discuss the difference between the ac and dc...Ch. 5 - State the relationships between collector,...Ch. 5 - Define Early voltage and collector output...Ch. 5 - Describe a simple commonemitter circuit with an...Ch. 5 - Prob. 9RQCh. 5 - Prob. 10RQCh. 5 - Prob. 11RQCh. 5 - Describe a bipolar transistor NOR logic circuit.Ch. 5 - Describe how a transistor can be used to amplify a...Ch. 5 - Discuss the advantages of using resistor voltage...Ch. 5 - Prob. 15RQCh. 5 - Prob. 16RQCh. 5 - (a) In a bipolar transistor biased in the...Ch. 5 - (a) A bipolar transistor is biased in the...Ch. 5 - (a) The range of ( for a particular type of...Ch. 5 - (a) A bipolar transistor is biased in the...Ch. 5 - Prob. 5.5PCh. 5 - An npn transistor with =80 is connected in a...Ch. 5 - Prob. 5.7PCh. 5 - A pnp transistor with =60 is connected in a...Ch. 5 - (a) The pnp transistor shown in Figure P5.8 has a...Ch. 5 - An npn transistor has a reverse-saturation current...Ch. 5 - Two pnp transistors, fabricated with the same...Ch. 5 - The collector currents in two transistors, A and...Ch. 5 - Prob. 5.13PCh. 5 - Prob. 5.14PCh. 5 - In a particular circuit application, the minimum...Ch. 5 - A particular transistor circuit design requires a...Ch. 5 - For all the transistors in Figure P5.17, =75 . The...Ch. 5 - The emitter resistor values in the circuits show...Ch. 5 - Consider the two circuits in Figure P5.19. The...Ch. 5 - The current gain for each transistor in the...Ch. 5 - Consider the circuits in Figure P5.21. For each...Ch. 5 - (a) The circuit and transistor parameters for the...Ch. 5 - In the circuits shown in Figure P5.23, the values...Ch. 5 - (a) For the circuit in Figure P5.24, determine VB...Ch. 5 - (a) The bias voltages in the circuit shown in...Ch. 5 - The transistor shown in Figure P5.26 has =120 ....Ch. 5 - The transistor in the circuit shown in Figure...Ch. 5 - In the circuit in Figure P5.27, the constant...Ch. 5 - For the circuit shown in Figure P5.29, if =200 for...Ch. 5 - The circuit shown in Figure P5.30 is to be...Ch. 5 - (a) The bias voltage in the circuit in Figure P5.3...Ch. 5 - The current gain of the transistor in the circuit...Ch. 5 - (a) The current gain of the transistor in Figure...Ch. 5 - (a) The transistor shown in Figure P5.34 has =100...Ch. 5 - Assume =120 for the transistor in the circuit...Ch. 5 - For the circuit shown in Figure P5.27, calculate...Ch. 5 - Consider the commonbase circuit shown in Figure...Ch. 5 - (a) For the transistor in Figure P5.38, =80 ....Ch. 5 - Let =25 for the transistor in the circuit shown in...Ch. 5 - (a) The circuit shown in Figure P5.40 is to be...Ch. 5 - The circuit shown in Figure P5.41 is sometimes...Ch. 5 - The transistor in Figure P5.42 has =120 . (a)...Ch. 5 - The commonemitter current gain of the transistor...Ch. 5 - For the circuit shown in Figure P5.44, plot the...Ch. 5 - The transistor in the circuit shown in Figure...Ch. 5 - Consider the circuit in Figure P5.46. For the...Ch. 5 - The current gain for the transistor in the circuit...Ch. 5 - Consider the amplifier circuit shown in Figure...Ch. 5 - For the transistor in the circuit shown in Figure...Ch. 5 - Reconsider Figure P5.49. The transistor current...Ch. 5 - The current gain of the transistor shown in the...Ch. 5 - For the circuit shown in Figure P5.52, let =125 ....Ch. 5 - Consider the circuit shown in Figure P5.53. (a)...Ch. 5 - (a) Redesign the circuit shown in Figure P5.49...Ch. 5 - Prob. 5.55PCh. 5 - Consider the circuit shown in Figure P5.56. (a)...Ch. 5 - (a) Determine the Q-point values for the circuit...Ch. 5 - (a) Determine the Q-point values for the circuit...Ch. 5 - (a) For the circuit shown in Figure P5.59, design...Ch. 5 - Design a bias-stable circuit in the form of Figure...Ch. 5 - Using the circuit in Figure P5.61, design a...Ch. 5 - For the circuit shown in Figure P5.61, the bias...Ch. 5 - (a) A bias-stable circuit with the configuration...Ch. 5 - (a) For the circuit shown in Figure P5.64, assume...Ch. 5 - The dc load line and Q-point of the circuit in...Ch. 5 - The range of ß for the transistor in the circuit...Ch. 5 - The nominal Q-point of the circuit in Figure P5.67...Ch. 5 - (a) For the circuit in Figure P5.67, the value of...Ch. 5 - For the circuit in Figure P5.69, let =100 and...Ch. 5 - Prob. 5.70PCh. 5 - Design the circuit in Figure P5.70 to be bias...Ch. 5 - Consider the circuit shown in Figure P5.72. (a)...Ch. 5 - For the circuit in Figure P5.73, let =100 . (a)...Ch. 5 - Prob. D5.74PCh. 5 - (a) Design a fourresistor bias network with the...Ch. 5 - (a) Design a four-resistor bias network with the...Ch. 5 - (a) A fourresistor bias network is to be designed...Ch. 5 - (a) Design a fourresistor bias network with the...Ch. 5 - For each transistor in the circuit in Figure...Ch. 5 - The parameters for each transistor in the circuit...Ch. 5 - The bias voltage in the circuit shown in Figure...Ch. 5 - Consider the circuit shown in Figure P5.82. The...Ch. 5 - (a) For the transistors in the circuit shown in...Ch. 5 - Using a computer simulation, plot VCE versus V1...Ch. 5 - Using a computer simulation, verify the results of...Ch. 5 - Using a computer simulation, verify the results of...Ch. 5 - Consider a commonemitter circuit with the...Ch. 5 - The emitterfollower circuit shown in Figure P5.89...Ch. 5 - The bias voltages for the circuit in Figure...Ch. 5 - The multitransistor circuit in Figure 5.61 is to...
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- 3. Consider the circuit, in which R₁ = 10 KQ2, R2 = 5 KQ, R3 = 1 KQ, and RE = 8 KQ. The supply voltages are +Vcc = 10 V and -VEE = -5 V. Other parameters are ẞF = 100, VBE(On) = 0.7 V, and VCE(Sat) 0.2 V. Rc value will be specified later. (a) (3 points) Draw the dc equivalent circuit of the circuit. VI +Vcc Rc R2 RI R₁ RE -VEE υο R3 (b) Find the Thevenin equivalent voltage source VEQ and input resistance REQ of the DC equivalent circuit. Show your work. +Vcc Rc UC VEQ www REQ VE VEQ = REQ = ΚΩ RE VEEarrow_forward5. Consider the ac equivalent circuit of an amplifier, where RE = 1 KS2, gm = 0.05 S, and Υπ= 2Κ Ω. (a) Redraw the ac equivalent circuit using the hybrid-pi small signal model for BJTS. Include ro in the model. R₁ ww Vi RB ww + RL Vo RE (b) Find the terminal resistance RIB using the circuit obtained in (a). Ignore ro. Show your work. (Don't use formula for RiB.)arrow_forward4. Consider the circuit. Use the symbol || to indicate the parallel of resistors in the following questions. (a) Express the input resistance Rin in terms of the terminal resistance and other necessary resistor values. (In other words, RiB, Ric, and RIE are given.) C₁ R₁ R₂ +Vcc Rc C3 R3 C2 ی RE -VEE (b) Express the output resistance Rout in terms of the terminal resistance and other necessary resistor values. (In other words, RiB, Ric and RiE are given.) (c) Express the voltage gain A₁ = ∞ in terms of terminal voltage gain Avt, the terminal Vi resistance, and other necessary resistor values. (Avt, RiB, Ric and R₁E are given.) +51arrow_forward
- 2. ẞ 100, VBE(on)= 0.7 V, and VCE(sat) = 0.2 V for the BJT. We want to find the Q-point through the following steps. Show your work. a) Find the bias voltage VTH Using Thevenin's equivalent circuit. R1|| R2 www +5 V R₁ = 20 k IB VTH Answer: VTH = V b) Find the base current voltage IB. www. Answer: IB = μA (note the unit.) c) Find the collector voltage Vc (with reference to the ground). RC= 2.3 k B E R₂ = 30 k -5 V www R₁ = 5 ΚΩ ww AHI› RE= 5 ΚΩarrow_forward3. Consider the circuit, in which R₁ = 10 KQ2, R2 = 5 KQ, R3 = 1 KQ, and RE = 8 KQ. The supply voltages are +Vcc = 10 V and -VEE = -5 V. Other parameters are ẞF = 100, VBE(On) = 0.7 V, and VCE(Sat) 0.2 V. Rc value will be specified later. (a) (3 points) Draw the dc equivalent circuit of the circuit. VI +Vcc Rc R2 RI R₁ RE -VEE υο R3 (b) Find the Thevenin equivalent voltage source VEQ and input resistance REQ of the DC equivalent circuit. Show your work. +Vcc Rc UC VEQ www REQ VE VEQ = REQ = ΚΩ RE VEEarrow_forwardThe solution is with a pen and paper. Really not smartarrow_forward
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