Instrumentation Engineering
GATE IN year:2017 PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–20 of 65. Imported answers require independent review unless marked reviewed.
Question 11
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If a continuous-time signal
is sampled at 4 Hz, the value of the discrete-time sequence
at
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The Region of Convergence (ROC) of the Z-transform of a causal unit step discrete-time sequence is
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The term hysteresis is associated with
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The differential amplifier, shown in the figure, has a differential gain of
and common mode gain of
. If
V and
V, then
, in volt (up to one decimal place) is ______.
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The silicon diode, shown in the figure, has a barrier potential of 0.7 V. There will be no forward current flow through the diode, if
, in volt, is greater than
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The figure shows a phase locked loop. The output frequency is locked at
kHz. The value of
in kHz is ______.
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The condition for oscillation in a feedback oscillator circuit is that at the frequency of oscillation, initially the loop gain is greater than unity while the total phase shift around the loop in degree is
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The output
shown in the figure, in volt, is close to
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An 8-bit microcontroller with 16 address lines has 3 fixed interrupts i.e., Int1, Int2 and Int3 with corresponding interrupt vector addresses as 0008H, 0010H and 0018H. To execute a 32-byte long Interrupt Service Subroutine for Int1 starting at the address ISS1, the location 0008H onwards should ideally contain
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A and B are the logical inputs and X is the logical output shown in the figure. The output X is related to A and B by
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