Time Left - 15:00 mins

GATE 2019: Analog Electronics Quiz 3 (App update required to attempt this test)

Attempt now to get your rank among 287 students!

Question 1

Calculate the value of resistor RE using feedback concepts so that final voltage gain (=AFB) is equal to 100. Common emitter (CE) amplifier shown in fig. has voltage gain of 200 when RE = 0. Stability is brought through negative feedback by adding resistor RE

Question 2

Calculate the voltage gains without feedback, A, and with feedback for the series-shunt feedback amplifier shown in figure.

Question 3

In the circuit shown , function of diode D1 is

Question 4

Two voltage of +0.6V and -1.4V are applied to the two input resistors of a summing amplifier. The respective input resistors are 400KΩ and 100KΩ and feedback resistor is 200KΩ. Determine the out put voltage.

Question 5

Find input resistance RIN

Question 6

The circuit shown in the figure uses matched transistors with a thermal voltage VT = 25 mV. The base currents of the transistors are negligible. The value of the resistance R in kΩ that is required to provide 1μ-A, bias current for the differential amplifier block shown is ______.

  • 287 attempts
  • 2 upvotes
  • 0 comments
Jun 25ESE & GATE EE