Concept explainers
(a)
The maximum and the minimum value of the output voltage and the minimum corresponding input voltages for the circuit to operate in the linear region for given value of
(a)
Answer to Problem 8.20P
The maximum value of the output voltage is
Explanation of Solution
Calculation:
The given diagram is shown in Figure 1
The expression for the maximum value of the output voltage is given by,
Substitute
The expression for the drain to source saturation voltage is given by,
Substitute
The expression for the minimum value of the output voltage is given by,
Substitute
The expression for the minimum value of the input voltage is given by,
Substitute
The expression for the maximum value of the input voltage is given by,
Substitute
Conclusion:
Therefore, the maximum value of the output voltage is
(b)
The maximum and the minimum value of the output voltage and the minimum corresponding input voltages for the circuit to operate in the linear region for given value of
(b)
Answer to Problem 8.20P
The maximum value of the output voltage is
Explanation of Solution
Calculation:
The expression for the maximum value of the output voltage is given by,
Substitute
The expression for the drain to source saturation voltage is given by,
Substitute
The expression for the minimum value of the output voltage is given by,
Substitute
The expression for the minimum value of the input voltage is given by,
Substitute
The expression for the maximum value of the input voltage is given by,
Substitute
Conclusion:
Therefore, the maximum value of the output voltage is
(c)
The smallest value of the
(c)
Answer to Problem 8.20P
The minimum value of the load resistance is
Explanation of Solution
Calculation:
The expression for the current through the transistor
Substitute
The expression for the minimum value of the load resistance is
Substitute
The expression for the power delivered to the load is given by,
Substitute
The expression for the average power supplied by the source is given by,
Substitute
The expression for the value of power conversion efficiency is given by,
Substitute
Conclusion:
Therefore, the minimum value of the load resistance is
Want to see more full solutions like this?
Chapter 8 Solutions
Microelectronics: Circuit Analysis and Design
- 2) For the bi-stable multivibrator circuit using BJT transistors, if the trigger waveform frequency = 2k Hz then the frequency of the output waveforms = a) 2k Hz. b) 4k Hz. c) lk Hz. d) 8k Hz.arrow_forwardSketch the Colpitts oscillator (using a BJT), clearly showing the modifications from a voltage-divider bias circuit above. (i) Explain the working principle of Colpitts oscillator. In your explanation, include the function of each component and the function of the tank circuit, together with the energy conversions taking place in the tank circuit. (ii) What is the phase relationship of the output signal with respect to the input? (iii) Write an expression for the frequency of oscillation and explain all the terms of the equation. (iv) Calculate the frequency of oscillation given that C₁=C₂=7μF and L=2 H Activate Windarrow_forwardSelect a MOSFET which can be operated in both depletion and enhancement modes. E- MOSFET None of the given choices D- MOSFET as well as E - MOSFET D- MOSFETarrow_forward
- A MOSFET with heat sink absorbs a thermal power of 3.5 W. The thermal resistance from junction to ambient is 45°C/W, and the thermal resistance from sink to ambient is 35°C/W. If the maximum junction temperature is 185°C, determine the maximum ambient temperature, Ta and maximum sink temperature, T,.arrow_forwardCommunication Electronicsarrow_forward1. Suppose the MOSFET drawn has Vrh = 1 V, and In = 1 mA when Voy = 1 V. Vin VDp = 5 V Rp = 5 kN Vout Vs,Vp, VDD Vin (a) Specify the Vin values that lead to off, linear, and saturation modes respectively. (b) Draw a suitable 100 mV amplitude time-domain waveform for Vin that keeps the MOSFET working in saturation mode. (c) Draw the corresponding time-domain waveforms for Vs, Vp, VDD that correspond to Vin from part (b).arrow_forward
- Consider class-A emitter follower circuit shown in the figure below. The circuit parameters are V+ = 24 V, V- = -24 V, and RL = 2000. The transistor parameters are B = 50, VBE(on) = 0.7 V, and VcE(sat) = 0.2 V. The output voltage is to vary between +20 V and -20 V. The minimum current in Q1 is to be iej = 20 mA. For vo = 0, find the dissipated in the first transistor Qr. power RL wwliarrow_forwardOpen with v Consider class-A emitter follower circuit shown in the figure below. The circuit parameters are V+ = 24 V, V- = -24 V, and RL = 2000. The transistor parameters are B = 50, VBElon) = 0.7 V, and VCElsat) = 0.2 V. The output voltage is to vary between +20 V and -20 V. The minimum current in Q1 is to be ie1 = 20 mA. For vo = 0, find the power dissipated in the first transistor Q1- V+arrow_forwardIn the output characteristics of a MOSFET with low values of Vds, the value of the on-state resistance is a. Vds/Ig b. infinite c. 0 d. Vds/Idarrow_forward
- Consider the circuit. The transistor has a parameter β that varies between 50 and 200. The operation of the circuit and the electrical variables at the end points must be known. end points. Calculate the following for β = 50 and β = 200. a) lE, VE and VB (DC analysis). b) The input resistance Rin (small signal analysis). c) Voltage gain V0/ Vsig (Small Signal Analysisarrow_forwardExample 8:-arrow_forward1. Design a fixed bias-transistor circuit using VBB = Vcc = 10 V for a Q-point of Ic = 5 mA and VCE_ 4 V. Assume BDc = 100.The design involves finding RB and Rc.arrow_forward
- Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
- Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,