GATE ECE 1994 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1994

MCQ (Single Correct Answer)

-0.3

The 3-dB bandwidth of a typical second- order system with the transfer function $${{C\left( s \right)} \over {R(s)}} = {{\omega _n^2} \over {{s^2} + 2\xi {\omega _n}s + \omega _n^2}}$$, is given by

$${\omega _n}\sqrt {1 - 2{\xi ^2}} $$

$${\omega _n}\sqrt {(1 - {\xi ^2}) + \sqrt {{\xi ^4} - {\xi ^2} + 1} }$$

$${\omega _n}\sqrt {(1 - 2{\xi ^2}) + \sqrt {4{\xi ^4} - 4{\xi ^2} + 2} } $$

$${\omega _n}\sqrt {(1 - 2{\xi ^2}) - \sqrt {4{\xi ^4} - 4{\xi ^2} + 2} } $$

GATE ECE 1994

Fill in the Blanks

-0

The open loop frequency response of a system at two particular frequencies are given by: 1.2 $$\angle - 180^\circ $$ and 1.0 $$\angle - 190^\circ $$. The closed loop unity feedback control system is then

GATE ECE 1994

Fill in the Blanks

-0

Synchronous counters are _____ than the ripple counters.

GATE ECE 1994

MCQ (Single Correct Answer)

-0.3

A PLA can be used

as a microprocessor

as a dynamic memory

to realize a sequential logic

to realize a combinational logic

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