Question is ⇒ Trap circuits used in video IF amplifier of colour TV are, Options are ⇒ (A) High Q, LC resonant circuit, (B) Low Q, LC resonant circuit, (C) High Q, RLC resonant circuit, (D) Low Q, RLC resonant circuit, (E) , Leave your comments or Download question paper.

Question is ⇒ Trap circuits used in video IF amplifier of colour TV are, Options are ⇒ (A) High Q, LC resonant circuit, (B) Low Q, LC resonant circuit, (C) High Q, RLC resonant circuit, (D) Low Q, RLC resonant circuit, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Trap circuits used in video IF amplifier of colour TV are
A.	High Q, LC resonant circuit [Correct Answer]
B.	Low Q, LC resonant circuit [Wrong Answer]
C.	High Q, RLC resonant circuit [Wrong Answer]
D.	Low Q, RLC resonant circuit [Wrong Answer]
View Answer 2 -1 Explanation:- Answer : A 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 :

⇒ CMOS is widely used in
digital wrist watches
analog circuits
high power circuits
all of the above

⇒ In practical commercial AM system channel bandwidth is
150 kHz
100 kHz
15 kHz
200 kHz

⇒ A particular green LED emits light of wavelength 5490, Å, the energy bandgap of the semiconductor material used there is .. h = 6.6 x 10^-34 J sec.
2.26 eV
1.98 eV
1.17 eV
0.74 eV

⇒ LET JCOKE = 11 and LPEPSI = 19. Consider the statement 13
16
9
14

⇒ When a capacitor is connected to the terminals of an ohmmeter, the pointer indicated a low resistance initially and finally come to infinity position. This shows that capacitor is
short circuited
all right
faulty
open circuited

⇒ Which interrupts are masked?
5.5
6.5
7.5
None

⇒ The PCM signal shown below uses amplitude level of +1 volt and -1 volt to represent binary symbol 0 and 1 respectively. Each code word consists of 4 bits. The sampled version of analog signal from which this PCM signal is derived
EB596
CD231
DA495
25B6A

⇒ Which one of the following blocks is not common in both AM and FM receivers?
RF amplifier
Mixer
IF amplifier
Slope detector

⇒ Capacitance hats are installed on low frequency antenna is
increase the electrical length
reduce the electrical length
protect against lightening
protect against corona effects

⇒ Phase modulation is commonly-used for data transmission mainly because
phase can be varied from + 180° to 180°
it is resistant to the effects of noise
demodulation is very easy
it gives highest data rates that can be transmitted over a given channel

⇒ The transfer function of a system is given by H(s) = 1/s² (s - 2). The impulse response of the system is
(t^2* e^-2t) U(t)
(t^* e^2t) U(t)
(te^-2t) U(t)
(te^2t) U(t)

⇒ If e = 10 sin(10⁸ t + 3 sin 10⁴ t) then the modulation index is
1
2
3
4

⇒ In the given figure the input frequency f = 0.1 (1/2 p
0 dB
3 dB
-3 dB
20 dB

⇒

Assertion (A): Inverse Laplace transform can be found from P(s) by inversion integral.

Reason (R): The function f(t) is assumed to be zero for t < 0.

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 but R is wrong
R is correct but A is wrong

⇒ A transistor has

collector
emitter
base

In a N-P-N transistor the electron flow into the transistor at
I only
II only
II and III only
I and II only

⇒ Which of the following is/are not a property/properties power spectral density function Sx(ω)?
Sx(ω) is real function of ω
Sx(ω) is a even function of ω
Sx(ω) is non-positive function of ωSx(ω) ≤ 0 for all ω
All of the above

⇒ A two branch parallel tuned circuits has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. The bandwidth is 200 radians/sec. A load of resistance R_L is connected in parallel. The new bandwidth will be
200 rad/sec
more than 200 rad/sec
less than 200 rad/sec
200 rad/sec or less

⇒ Hay bridge is suitable for measuring inductance of which one of the following inductors?
Having Q value less than 10
Having Q value greater than 10
Having any value of Q
Having phase angle of reactance very large

⇒ For the logic circuit of the given figure the simplified Boolean expressio
A + BC
A + BC
A + B C
A + BC

⇒ Binary multiplication 1 x 0 =
1
0
10
11

⇒ Pulse modulation is used in
radio navigation
automatic landing equipment
data communications
all of the above

⇒ In figure, the current I_{410 ∠0
5 ∠90°
5 ∠270°
10 ∠90°}

⇒ In figure the input and output Miller capacitances
0.25 μF each
500 pF each
0.25 μF and 500 pF respectively
500 pF and 0.25 μF respectively

⇒ In solid insulator materials having only one kind of atom, the types of polarization which exist are
electronic only
electronic and ionic
electronic, ionic and permanent
electronic and permanent

⇒ Wood is a diamagnetic material.
TRUE
FALSE

⇒ The function δ (t - b) is a
unit impulse
unit step
unit doublet
none of the above

⇒ Thermal runaway is not possible in FET, because as the temperature of FET increases.
the mobility decreases
the transconductance increases
impedance of the source
power dissipation in the chip

⇒ In a tape recorder the output from RF oscillator is given to
only erase head coil
only record head coil
coils of both erase head and record head
none of the above

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

⇒ A duplexer is a device used to
feed more than one receiver from a single antenna
connect two transmitters to the same antenna
connect a receiver and a transmitter to the same antenna
none of these