Question is ⇒ In TV transmitter some possible advantages of IF modulation are <ol style="list-style-type: decimal; padding-bottom:10px;"><li style="padding-top:10px;">The modulator section and visual exciter can be solid state devices</li><li style="padding-top:10px;">VSB filter can be introduced at low power level</li><li style="padding-top:10px;">The subsequent stages following VSB filter can be tuned permanently for wideband linear operation</li><li style="padding-top:10px;">It is economical</li></ol> which of the above are true?, Options are ⇒ (A) 1 and 2, (B) 1, 2 and 3, (C) 2, 3 and 4, (D) 1, 2, 3 and 4, (E) , Leave your comments or Download question paper.

Question is ⇒ In TV transmitter some possible advantages of IF modulation are <ol style="list-style-type: decimal; padding-bottom:10px;"><li style="padding-top:10px;">The modulator section and visual exciter can be solid state devices</li><li style="padding-top:10px;">VSB filter can be introduced at low power level</li><li style="padding-top:10px;">The subsequent stages following VSB filter can be tuned permanently for wideband linear operation</li><li style="padding-top:10px;">It is economical</li></ol> which of the above are true?, Options are ⇒ (A) 1 and 2, (B) 1, 2 and 3, (C) 2, 3 and 4, (D) 1, 2, 3 and 4, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In TV transmitter some possible advantages of IF modulation are The modulator section and visual exciter can be solid state devices VSB filter can be introduced at low power level The subsequent stages following VSB filter can be tuned permanently for wideband linear operation It is economical which of the above are true?
A.	1 and 2 [Wrong Answer]
B.	1, 2 and 3 [Wrong Answer]
C.	2, 3 and 4 [Wrong Answer]
D.	1, 2, 3 and 4 [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ The resistance of a superconductor is
low
very low
very very low
zero

⇒ In the given figure forward current wave has a magnitud
0.45 A
0.3 A
0.2 A
0.1 A

⇒ In the integer expression - A * B div C + D which operation is done first in Pascal
-
*
div
+

⇒ A 4 bit DAC gives an output of 4.5 V for input of 1001. If input is 0110, the output is
1.5 V
2.0 V
3.0 V
4.5 V

⇒ Which class of amplifiers operates with least distortion?
Class A
Class B
Class C
Class AB

⇒ The most common method for biasing a JFET is
reverse bias
self bias
voltage divider bias
none of the above

⇒ The energy to cause thermionic emission is supplied by heating the cathode.
TRUE
FALSE

⇒ For 0 < M < 1, the centres of M circle lie to the right of origin.
TRUE
FALSE

⇒ The admittance parameter Y₁₂ in the 2 port network in the fi
-0.2 mho
0.1 mho
-0.05 mho
0.05 mho

⇒ If A = 3 + j1, A⁴ =
3.16 ∠18.4°
100 ∠73.72°
100 ∠18.4°
3.16 ∠73.22°

⇒ Which of the following features is not associated with Nichols chart?
(0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)
It is symmetric about -180°
M loci are centred about (0 dB, -180°) point
The frequency at intersection of G(jω) locus and M = +3 dB locus gives bandwidth of closed loop system

⇒

Assertion (A): Each memory chip has its own address latch.

Reason (R): ALE signal comes out of microprocessor 8085 and goes to memory chip.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
A is wrong R is correct

⇒ As frequency is increased, the skin effect
increases
decreases
remains the same
either (b) or (c)

⇒ The address to which a software or hardware restart branches is known as
Vector location
SID
SOD
TRAP

⇒ In a metal the probability of a state 0.1 eV below Fermi level being occupied
is more than the probability of state 0.1 eV above Fermi level being occupied
is the same as the probability of state 0.1 eV above Fermi level being occupied
is less than the probability of state 0.1 eV above Fermi level being occupied
may be equal to or more or less than the probability of state 0.1 eV above Fermi level being occupied

⇒ Choose the correct option

Mesh is the smallest loop of circuit
Loop is smallest path of circuit
Loop does not contain any mesh
Loop may have one or more than one mesh

1, 2, 3, 4
3, 4, 2
1, 4
3, 2

⇒ In a single phase full wave regulator feeding a resistive load, the average current over one full cycle
is always zero
cannot be zero
may be sometimes zero
is always positive

⇒ Regulation of the DC power supply of 12 V, 100 mA is the effective resistance of power supply is 20 Ω
0.22
1.31
0.3
0.2

⇒ In which of the following device electrons will be the majority carriers?
P-type semiconductor
N-type semiconductor
N-P-N transistor
P-N-P transistor

⇒ A 0.5 μF capacitor is connected across a 10 V battery. After a long time, the circuit current and voltage across capacitor will be
0.5 A and 0 V
0 A and 10 V
20 A and 5 V
0.05 A and 5 V

⇒ In microwave system the function of mode filter is
to suppress modes with lower cut off frequencies
to suppress modes with higher cut off frequencies
to change mode of wave transmission
both (b) and (c)

⇒ If V_a1, V_a2, V_a0 are the symmetrical components of V_a, then
V_a = V_a1 + V_a2 + V_a0
V_a = a²V_a1 + aV_a2 + V_a0
V_a = aV_a1 + a²V_a2 + V_a0
V_a = aV_a0 + a²V_a1 + V_a2

⇒ In sound recording the degree of pre-emphasis is about 6 dB/ octave.
TRUE
FALSE

⇒ Find equivalent capacitance if each capacitance is
5/12 F
12/5 F
6/5 F
5/6 F

⇒

Assertion (A): In an intrinsic semiconductor J = (μ_n x μ_p)en_i.

Reason (R): Intrinsic charge concentration n_i at temperature T is given by n_i² = A₀ T³ e^-E_G0/kT.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true

⇒ In a CE amplifier circuit the dc voltage between emitter and ground
is always zero
cannot be zero
may or may not be zero
is negative

⇒ The units of the spectrum obtained be Fourier transforming the covariance function of a stationery Stochastic Process is
Power per Hz
energy per Hz
Power per sec
Energy per second

⇒ A certain sound has 10000 times more energy than another sound. The number of times it would sound stronger to a listener is
40
10000
100
10

⇒ In 8085 microprocessor with memory mapped I/O which of the following is true?
I/O devices have 16 bit addresses
I/O devices are accessed during IN and OUT instructions
There can be a maximum of 256 input and 256 output devices
Logic operations can not be performed

⇒ In 8085 microprocessor, what is the length of status Word?
6 bits
8 bits
12 bits
16 bits