Sign Up

Have an account? Sign In Now

Sign In

Forgot Password?

Need An Account, Sign Up Here

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Have an account? Sign In Now

Sorry, you do not have a permission to ask a question, You must login to ask question. Please subscribe to paid membership

Forgot Password?

Don't have account, Sign Up Here
Please subscribe to paid membership

Please briefly explain why you feel this question should be reported.

Please briefly explain why you feel this answer should be reported.

Please briefly explain why you feel this user should be reported.

Sign InSign Up

electricalstudent.com

electricalstudent.com Logo

electricalstudent.com Navigation

  • Contact Us
Search
Ask A Question

Mobile menu

Close
Ask a Question
  • Add group
  • Communities
  • Questions
  • Polls
  • Buy Theme
  • New Questions
  • Trending Questions
  • Must read Questions
  • Hot Questions
  • Contact Us
Home/ Questions/Q 6548
Next
In Process
venkyelectrical
  • 0
venkyelectrical
Asked: January 2, 20222022-01-02T14:16:58+00:00 2022-01-02T14:16:58+00:00In: microelectronics

1.60 A transconductance amplifier with Ri = 2 kΩ, Gm = 20 mA/V, and Ro = 5 kΩ is fed with a voltage source having a source resistance of 500 Ω and is loaded with a 1- kΩ resistance. Find the voltage gain realized. 13.3 V/V

  • 0

1.60 A transconductance amplifier with Ri = 2 kΩ, Gm = 20 mA/V, and Ro = 5 kΩ is fed with a voltage source having a source resistance of 500 Ω and is loaded with a 1- kΩ resistance. Find the voltage gain realized.

13.3 V/V

Share this on:

  • Telegram
  • WhatsApp
  • More

Like this:

Like Loading...
microelectronics by sedra and smith 8th edition chapter 1
  • 1 1 Answer
  • 3 Views
  • 0 Followers
  • 0
Answer
Share
  • Facebook

    1 Answer

    • Voted
    • Oldest
    • Recent

    Sorry, you do not have a permission to view answers. Please subscribe to paid membership

    You must login to add an answer.

    Forgot Password?

    Need An Account, Sign Up Here

    Sidebar

    Recent Posts

    • Problem 1. An NMOS common-source amplifier circuit shown as the figure, the transistor parameters are: VTN=0.8V, Kn = 1mA/V2, and the channel modulation effect is ignored. The circuit parameters are VDD=5V, Rs=1KΩ, RD= 4KΩ, R1=225KΩ, and R2=175KΩ.
      Find the circuit quiescent values IDQ and VDSQ.
      Drawthesmallsignalequivalentcircuit.
      FindthesmallsignalvoltagegainforRLasanopencircuit. 4. Find the input impedance Rin as indicated in the figure.
      Find the output impedance Rout as indicated in the figure.
    • (50 points) This problem has 14 questions. Consider the lossless transmission line given below. Use the attached Smith Chart to find:(a)(2 points) The magnitude I and phase A of the reflection coefficient.
      (b) (2 points) Determine the Standing Wave Ratio (SWR).(c) find the normalized load admittance y and load admittance (d) find the normalized load impedance Zion and the load impedance Zion (e) what is the distance dmin from the load to first voltage minimum indicate on the smith chart the position of voltage minimum.(f) what is the distance dmax from the load to first voltage maximum indicate on the smith chart the position of voltage maximum (g) (4 points) The total voltage on a transmission line is given by: V (2) = Vat e-iP2 + Vi eiBE
      Using I and dmax from previous questions, find the maximum voltage in terms of Vö
      (h) (4 points) Using I and din from previous questions, find the minimum voltage in terms
      of Vot
    • Quiz 1: BIT Amplifier
      Take |VBE|=0.7V, Vr=25mV, p=99. Compute the DC Bias (only IE).
      Draw the small signal model and find the overall voltage gains (vo/vsig).
    • A LTI system is described by
      y(n] = x(n] +2x|n-1] + x[n-2]
      (a) Decide its system impulse response h(n).
      (b) Is this system stable? give reasoning for your answer.
      (c) Decide its frequency response H(elo).
      (9)
      Let the discrete system is defined by input x[m], output y[n] and system
      function h|n]. Answer to the following:
      (a) Using Convolution, find output y[n] for input x[n] = 8(n] + 28[n-1] +
      8[n-2] and h(n] = U(n]. Also Sketch it using stem plot.
      (4)
      (b) Find y[n] in a closed form for x[n]= U(n] and h[n] = a”U[n]
      (assume n≥0 and a]<1). You may use Z transform.
      (4)
      Find the discrete-time system function H(z) that responds to an input
      sequence {1, 0.6; and an output sequence { 4, 2, 1, 1, 1, 1, 1, 1, 1,-
      (here
      _- means all 1s)
      (9)
      4.
      Solve, by Z-transform, for y[n] in a closed form,
      y(n+2] -y[n] -y[n+1]=0, where y[O]=0 and y[1)=1.
      Use Z[y(n+1)]=zY(z) -zy(0) and
      Z[y(n+2) = z?Y(z)-27y(0) – zy(1)
    •  ECE 476 

    Recent Comments

    1. venkyelectrical on 5) Next to each statement write T (True) or F (False). (2 points each) a) —- When ferromagnetic iron material saturates, its relative permeability decreases. b) —- If the iron core of an inductor becomes heavily saturated, its inductance increases. c) —- In magnetic equivalent circuits, the mmf is analogous to the “current” in electrical circuits. d) —- In magnetic equivalent circuits, the flux (φ) is analogous to the “voltage” in electrical circuits. e) —- When the frequency of the flux in an iron core increases, eddy current loss increases too. f) —- Hysteresis loss of a ferromagnetic material whose hysteresis loop has a smaller area is larger than that of a ferromagnetic material with a large area hysteresis loop. g) —- steel laminations reduce eddy current losses because they have very small Ohmic resistance. h) —- Magnetizing inductance of an ideal transformer is zero. i) —- In the short circuit test, the low voltage winding is shorted and a small voltage is applied to the high voltage winding. j) —- In the open-circuit test, the input power to a transformer shows full-load iron losses.
    2. venkyelectrical on 4) In the below figure use the Lenz’s law to determine the polarity of the voltage induced in the coil. Suppose flux φ (the black arrow) is decreasing. Briefly explain your answer. (6 points)
    3. venkyelectrical on 3) The results of the open-circuit test and short-circuit test on a single-phase, 20 kVA, 8000/240 V, 60 Hz transformer are as follows: Open circuit test (on the LV side) Short circuit test (on the HV side) Voc = 240 V Vsc = 489 V Ioc = 7.133 A Isc = 2.5 A Poc = 400 W Psc = 240 W Calculate the equivalent circuit parameters referred to the HV side. Draw the circuit and specify the numerical values of the circuit elements. (18 points)
    4. venkyelectrical on 2) The series impedance referred to the HV side of a 30 kVA, 8800/220 V distribution transformer is 𝑍𝑒𝑞 = 20 + 𝑗80 Ω. The components of the excitation branch referred to the HV side are 𝑅𝐶 = 200 𝑘Ω and 𝑋𝑀 = 20 𝑘Ω. Suppose the transformer is supplying the load connected to the LV winding with the rated apparent power and the rated voltage (220 V) at a 0.8 lagging P.F. Use the approximate equivalent circuit (including the parallel branch). Determine a) The load current, and the active and reactive power delivered to the load (7 points) b) The voltage applied to the HV winding (4 points) c) The magnetizing current of the transformer measured at the HV side (3 points) d) The copper losses, core losses, and efficiency of the transformer (10 points) e) The voltage regulation (4 points)
    5. venkyelectrical on 1) In the system below the coil has 100 turns, and its current is 5 A. Both air gaps are 1 mm long, and the core depth is 5 mm. Suppose the core material is ideal; i. e. the relative permeability of the core attains infinity. Mention the units for each quantity you calculate. a) Draw the magnetic equivalent circuit and specify the value of each element of the circuit. (11 points) b) Calculate the magnetic flux (φ) passing through the winding, the magnetic flux density (B) in the leftmost column of the core (the column around which the coil is wrapped), the magnetic flux intensity in the air gap of the central column, and the mmf drop across the air gap of the central column. (12 points) c) Determine the inductance of the inductor. (5 points)

    Explore

    • Add group
    • Communities
    • Questions
    • Polls
    • Buy Theme
    • New Questions
    • Trending Questions
    • Must read Questions
    • Hot Questions

    Footer

    © 2022 electrical student. All Rights Reserved
    With Love by electricalstudent.com.

    %d bloggers like this: