Search for Important Questions

Important Questions for "Oscillations":

[1]

  1. Derive the Barkhausen criterion for sustained oscillations.
  2. Write a short note on emitter follower circuit.
  3. Draw the circuit of R-C coupled CE amplifier and explain its frequency response curve at different frequency ranges. Why does the gain decrease in low and high frequency ranges?

[2]

  1. Derive the Barkhausen criterion for sustained oscillations.
  2. Convert decimal (4097)10 to binary equivalent.
  3. Explain the formation of barrier field across the p-n junction diode. Derive the equation for the width of depletion layer and height of potential barrier.

[3]

  1. Derive the Barkhausen criterion for sustained oscillations.
  2. Explain the Kronig-Penny model. Derive the equation for the energy of an electron in one-dimensional periodic potential.
  3. Draw the circuit of R-C coupled CE amplifier and explain its frequency response curve at different frequency ranges. Why does the gain decrease in low and high frequency ranges?

[4]

  1. Barkhausen criterion for sustained oscillations states that A=1.
  2. In CMOS logic circuits, the n-MOS transistor acts as a pull-down network.
  3. A certain D-MOSFET biased at V_GS=0V has a specified I_DSS=20mA and V_P=-5V. What is the value of drain current?

GKPAD.COM by SK Yadav | Disclaimer

free counter