GATE ECE 1990 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1990

MCQ (Single Correct Answer)

-0.6

For good stabilized biasing of the transistor of the CE Amplifier of fig, we should have GATE ECE 1990 Analog Circuits - Bipolar Junction Transistor Question 25 English

GATE ECE 1990 Analog Circuits - Bipolar Junction Transistor Question 25 English

$${{{R_E}} \over {{R_B}}} < < 1$$

$${{{R_E}} \over {{R_B}}} > > 1$$

$${{{R_e}} \over {{R_B}}} < < {h_{FE}}$$

$${{{R_E}} \over {{R_B}}} > > {h_{FE}}$$

GATE ECE 1990

MCQ (Single Correct Answer)

-0.6

An image uses $$512\, \times \,512$$ picture elements. Each of the picture elements can take any of the 8 distinguishable intersity levels. The maximum entropy in the above image will be

2097152 bits

786432 bits

648 bits

144 bits

GATE ECE 1990

MCQ (Single Correct Answer)

-0.6

In a BPSK signal detector, the local oscillator has a fixed phase error of 20⁰. This phase error deteriorates the SNR at the output by a factor of

$$\cos {20^0}$$

$${\cos ^2}{20^0}$$

$$\cos {70^0}$$

$${\cos ^2}{70^0}$$

GATE ECE 1990

Subjective

+10

-0

A system is characterized by the following state-space equations: GATE ECE 1990 Control Systems - State Space Analysis Question 9 English

a) Find the transfer function of the system

b) Compute the state-transition matrix/p>

a) Solve the state equation for a unit-step input under zero initial conditions

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