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GATE EE : Analog Electronics Champion Quiz 5

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Question 1

Consider the following Sum of Products expression,F.



The equivalent Product of Sums expression is,

Question 2

In the sum products function f (X, Y, Z) = ∑(2, 3, 4, 5), the prime implicants are?

Question 3

The feedback used in the circuit shown in figure can be classified as

Question 4

In the feedback network shown below, if the feedback factor k is increased, then the

Question 5

In a circuit, if each resistance has value of 20 kohm and V1 = 1.5 V, V2 = 2.5 V, then what will be the value of Vout ?

Question 6

The circuit of figure shows a 555 Timer IC connected as an astable multivibrator. The value of the capacitor C is 10 nF. The values of the resistors RA and RB for a frequency of 10 kHz and a duty cycle of 0.75 for the output voltage waveform are

Question 7

The output voltage (V0) of the Schmitt trigger shown in the following figure swings between + 15V and –15V. Assume that the operational amplifier is ideal. The output will change from +15V to -15V when the instantaneous value of the input sine wave is

Question 8

A simple active filter is shown in figure. Assume ideal op-amp. Derive the transfer function U0/U1 of the circuit, and state the type of the filter (i.e., high pass, low-pass, band-pass, or band-reject). Determine the required values of R1, R2 and C in order for the filter to have a 3-dB frequency of 1 kHz, a high frequency input resistance of 100 kΩ, and a high frequency gain magnitude of 10.

Question 9

Which option is correct while designing a first-order active inverting low-pass filter?

Question 10

The switch S in the circuit of the figure is initially closed. It is opened at time t = 0. You many neglect the Zener diode forward voltage drops. What is the behavior of for t > 0?
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Oct 20ESE & GATE EE