2. In the circuit below, the small-signal transconductance of Q2 falls as Vinl-Vin2 rises because Ic2 decreases. Determine the differential input voltage at which the transconductance of Q2 drops by a factor of 2. Assume at the beginning, Vinl-Vin2 = 0. Vcc Rc Vout' Voutt - oVout2 Vint a, Q2to Vin2 P. O 'EE

2. In the circuit below, the small-signal transconductance of Q2 falls as Vinl-Vin2 rises because Ic2 decreases. Determine the differential input voltage at which the transconductance of Q2 drops by a factor of 2. Assume at the beginning, Vinl-Vin2 = 0. Vcc Rc Vout' Voutt - oVout2 Vint a, Q2to Vin2 P. O 'EE

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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Activity 2:The amplifier circuit below has a single ac input and two ac outputs. Assuming transistorparameters of ß = 200 and VBE = 0.7 V:(2-a) Determine the Q point.(2-b) Is the transistor in the active region? Explain thoroughly.(2-c) Construct the T-model of the transistor with all parameters labelled and evaluated.Assume room temperature.(2-d) Draw a complete small-signal circuit model, then find the voltage gain for both outputs.(2-e) Based on the analysis results, what is the function of this circuit? Suggest a properapplication.(2-f) Use Multisim to verify all of your results. Compare and comment.(2-g) Assuming that each output is feeding a 100-kΩ resistor, determine the total voltage gainand current gain for both outputs. Also, calculate the amplifier input resistance and theamplifier output resistances.
An amplifier is formed by cascading two operational-amplifier stages, as shown (a). (a) Replace each amplifier stage with its two-port representation. (b) Use the circuit model from part (a) to find the overall two-port representation (Av, Rin, Rout) for the complete twostageamplifier. (c) Draw the circuit of the two-port corresponding to the complete two-stage amplifier.
The amplifier circuit below has a single ac input and two ac outputs. Assuming 2N2222 transistor: (2-a) Determine the Q point, then illustrate it on the transistor I-V characteristic curves. (2-b) Is the transistor in the active region? Explain thoroughly. (2-c) Construct the Π-model of the transistor with all parameters labelled and evaluated. Assume room temperature. (2-f) Build the circuit in the laboratory to validate your theoretical and simulation analyses. Show photos of your setup and signal displays.
Activity 2:The amplifier circuit below has a single ac input and two ac outputs. Assuming transistorparameters of ß = 200 and VBE = 0.7 V:(2-a) Determine the Q point.(2-b) Is the transistor in the active region? Explain thoroughly.(2-c) Construct the T-model of the transistor with all parameters labelled and evaluated.Assume room temperature.(2-d) Draw a complete small signal circuit model, then find the voltage gain for both outputs.(2-e) Based on the analysis results, what is the function of this circuit? Suggest a properapplication.(2-f) Use Multisim to verify all of your results. Compare and comment.(2-g) Assuming that each output is feeding a 100-kΩ resistor, determine the total voltage gainand current gain for both outputs. Also, calculate the amplifier input resistance and theamplifier output resistances.
a. As an Engineer, you are to design a single stage JFET Amplifier. Explain in your own words its operation, identifying each component and their functions b.In your own understanding and words analyze why currently VLSI circuits use MOSFETs instead of BJTsc) With your knowledge and understanding in MOSFET, explain electrically with graph supporting your answers, the three regions of operation of a MOSFET
Slove Boperational amplifiers of your choice both FET and BJT based technology (make sure datasheets areavailable with your final report):A) From the datasheet, find the number of pins of the Op-amp IC, the open-loop gain,bandwidth, CMRR, slew rate, Voltage offset, current offset, input and output impedance,recommended supply voltages. Tabulate your outcomes with evidence from the data sheets.For both types of Op-Amps. Discus advantages and disadvantages of both.B) Mention available amplifiers that this op-amp is used for and discuss in brief itsapplications.
Q.4/ Refer to the class AB power amplifier shown below:a. Determine the dc parameters VB(Q1), VB(Q2), ICQ, VCEQ(Q1), VCEQ(Q2).b. For the 5Vrms input, determine the power delivered to the load resistor.c. Determine the approximate input resistance seen by the signal source if ac=100
For the amplifier, VDD = 12V, VSS = 12V, ISS= 20uA, and RD= 820kOhm. Assume Kp = 1mA/V2 and VT P = +1V. (a) What are the output voltages vo for the amplifier for vI = 0V and vI = 20mV? (b) What is the maximum permissible value of vI?
The following amplifier (consider the case with a load) consists of a ? channel JFET. In the amplifier the value of the source DC = (+ VDD = 20V) and of all the resistors (shown in the schematic) and capacitors C1 = C2 = 20 uF is known. At the same time, the JFET has the following specifications: IDSS = 10mA and VP = -3.5V. The output resistance of the JFET is: rd=infinity Ω (infinity ohm) Determine the following, Analysis in DC a) The value of IDQ.b) The value of VDSQ.
Suppose we have a signal source with an internal (i.e., Thévenin) impedance that is always less than 1000 Ω, but is variable over time. Using the components listed in TableP13.36 , design an amplifier that produces an amplified version of the internal source voltage. The voltage gain should be −20±5 percent.
Slove Foperational amplifiers of your choice both FET and BJT based technologyA) From the datasheet, find the number of pins of the Op-amp IC, the open-loop gain,bandwidth, CMRR, slew rate, Voltage offset, current offset, input and output impedance,recommended supply voltages. Tabulate your outcomes with evidence from the data sheets.For both types of Op-Amps. Discus advantages and disadvantages of both.B) Mention available amplifiers that this op-amp is used for and discuss in brief itsapplications.C) Build a simple differentiator circuit, having C=1µF and R = 1kΩ for the op-amp chosen in(A), virtual using Multisim. Evaluate the voltage saturation, compare your findings with bothtypes of op-amps (FET and BJT) and analyze briefly how you concluded your result.D) Build a simple non-inverting amplifier with a gain of 10V/V circuit, using the op-ampchosen in (A) either BJT or FET, virtual using Multisim. Evaluate the slew rate, and theamplifier specification in terms of conduction angle…
Figure Q3 shows a common-source amplifier that has transistor parameters Kn’=40μA/V2, W/L=40, VTN=0.4V, and λ=0.02V-1 . State all assumptions made. i. Determine IDQ and VDSQii. Sketch the small signal analysis and determine the small signal voltage gain, Av.