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Hot questions in Analog and Digital Electronics
0
votes
0
answers
1
GATE2014229
Assuming the diodes to be ideal in the figure, for the output to be clipped, the input voltage $v_i$ must be outside the range $1$ $V$ to $2$ $V$ $2$ $V$ to $4$ $V$ $+1$ $V$ to $2$ $V$ $+2$ $V$ to $4$ $V$
asked
Feb 12, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2014ee2
clippercircuits
diodes
0
votes
0
answers
2
GATE2014323
In $8085A$ microprocessor, the operation performed by the instruction $LHLD$ $2100_H$ is $(H)\leftarrow 21_H$ , $(L)\leftarrow 00_H$ $(H)\leftarrow M(2100_H)$ , $(L)\leftarrow M(2101_H)$ $(H)\leftarrow M(2101_H)$ , $(L)\leftarrow M(2100_H)$ $(L)\leftarrow 00_H$ , $(H)\leftarrow 21_H$
asked
Feb 12, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2014ee3
binarycode
processing
0
votes
0
answers
3
GATE2015138
$f(A, B, C, D)$ = $\pi M(0,1,3,4,5,7,9,11,12,13,14,15)$ is a maxterm representation of a Boolean function $f (A, B, C, D)$ where $A$ is the $MSB$ and $D$ is the $LSB$. The equivalent minimized representation of this function is $(A +\bar{C}+D) (\bar{A}+B+D)$ ... $(B+\bar{C}+D) (A+\bar{B}+\bar{C}+D) (\bar{A}+B+C+D)$
asked
Feb 12, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
logicgates
booleanalgebra
0
votes
0
answers
4
GATE2015115
In the $4 \times 1$ multiplexer, the output $F$ is given by $F = A \bigoplus B$. Find the required input $'I_{3}, I_{2}, I_{1}, I_{0}'$. $1010$ $0110$ $1000$ $1110$
asked
Feb 12, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
multiplexer
booleanalgebra
0
votes
0
answers
5
GATE2015132
A self commutating switch $SW$, operated at duty cycle $\delta$ is used to control the load voltage as shown in the figure Under steady state operating conditions, the average voltage across the inductor and the capacitor respectively, are $V_{L}=0$ and $V_{c}=\frac{1}{1\delta} V_{dc}$ ... $V_{L}=\frac{\delta}{2}V_{dc}$ and $V_{c}=\frac{\delta}{1\delta} V_{dc}$
asked
Feb 12, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
dutycycle
selfcommutatingswitch
0
votes
0
answers
6
GATE2016245
A fullbridge converter supplying an $RLE$ load is shown in figure. The firing angle of the bridge converter is $120$°. The supply voltage $v_{m}(t) =200\pi \sin (100\pi t) V, R=20\Omega, E=800 V$. The inductor $L$ is large enough to make the output current $I_{L}$ a smooth dc current. Switches are lossless. The real power fed back to the source, in $kW$, is _________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
fullbridgeconverter
firingangle
numericalanswers
0
votes
0
answers
7
GATE2016246
A threephase Voltage Source Inverter $(VSI)$ as shown in the figure is feeding a delta connected resistive load of $30 \Omega$/phase. If it is fed from a $600$ V battery, with $180$° conduction of solidstate devices, the power consumed by the load, in kW, is __________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
voltagesourceinverter
solidstatedevices
numericalanswers
0
votes
0
answers
8
GATE2016248
A singlephase bidirectional voltage source converter $(VSC)$ is shown in the figure below. All devices are ideal. It is used to charge a battery at $400$ V with power of $5$ kW from a source $V_{s} = 220$ V (rms), $50$ Hz sinusoidal $AC$ mains at unity p.f ... $(\delta)$ between $AC$ mains voltage $(V_{s})$ and fundamental $AC$ rms $VSC$ voltage $(V_{C1})$, in degree, is __________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
voltagesourceconverter
phaseshift
numericalanswers
0
votes
0
answers
9
GATE2016247
A $DCDC$ boost converter, as shown in the figure below, is used to boost $360$ V to $400$ V, at a power of $4$ kW. All devices are ideal. Considering continuous inductor current, the rms current in the solid state switch $(S)$, in ampere, is _________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
boostconverter
inductorcurrent
numericalanswers
0
votes
0
answers
10
GATE201621
The output expression for the Karnaugh map shown below is $A+\bar{B}$ $A+\bar{C}$ $\bar{A}+\bar{C}$ $\bar{A}+C$
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
truthtable
booleanexpressions
pictorialmethod
0
votes
0
answers
11
GATE2016137
A $2$bit flash Analog to Digital Converter $(ADC)$ is given below. The input is $0 \leq V_{IN} \leq 3$ Volts. The expression for the $LSB$ of the output $B_{0}$ as a Boolean function of $X_{2}, X_{1}$, and $X_{0}$ ... $X_{0}\left[X_{2} \bigoplus X_{1}\right]$ $\bar{X_{0}}\left[X_{2} \bigoplus X_{1}\right]$
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
leastsignificantbit
booleanexpression
operationalamplifier
0
votes
0
answers
12
GATE2016123
A steady dc current of $100$ $A$ is flowing through a power module $(S, D)$ as shown in Figure (a). The $VI$ characteristics of the $IGBT (S)$ and the diode $(D)$ are shown in Figures $(b)$ and $(c)$, respectively. The conduction power loss in the power module $(S, D)$, in watts, is _________.
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
voltagevscurrent
transistor
diode
numericalanswers
0
votes
0
answers
13
GATE2016226
The Boolean expression $\overline{(a+\bar{b}+c+\bar{d})+(b+\bar{c})}$ simplifies to $1$ $\overline{a.b}$ $a.b$ $0$
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee2
booleanalgebra
demorgan'stheorem
absorptiontheorem
0
votes
0
answers
14
GATE2016136
The current state $Q_{A} Q_{B}$ of a two $JK$ flipflop system is $00$. Assume that the clock risetime is much smaller than the delay of the $JK$ flipflop. The next state of the system is $00$ $01$ $11$ $10$
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
registers
ram
memorystoringelements
0
votes
0
answers
15
GATE2016111
Consider the following circuit which uses a $2$to$1$ multiplexer as shown in the figure below. The Boolean expression for output $F$ in terms of $A$ and $B$ is $A\bigoplus B$ $\bar{A+B}$ $A+B$ $\bar{A \bigoplus B}$
asked
Jan 30, 2017
in
Analog and Digital Electronics
by
makhdoom ghaya
(
9.3k
points)
gate2016ee1
notgate
multiplexer
logiccircuits
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