Question is ⇒ The expression for satellite link frequencies such as 4/6 GHz denotes that, Options are ⇒ (A) 4 GHz is the up-link and 6 GHz is the down-link frequency, (B) 4 GHz is the down-link and 6 GHz is the up-link frequency, (C) the system operates at a mean frequency of 5 GHz, (D) one frequency is used as a back up for the other, (E) , Leave your comments or Download question paper.

Question is ⇒ The expression for satellite link frequencies such as 4/6 GHz denotes that, Options are ⇒ (A) 4 GHz is the up-link and 6 GHz is the down-link frequency, (B) 4 GHz is the down-link and 6 GHz is the up-link frequency, (C) the system operates at a mean frequency of 5 GHz, (D) one frequency is used as a back up for the other, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The expression for satellite link frequencies such as 4/6 GHz denotes that
A.	4 GHz is the up-link and 6 GHz is the down-link frequency [Wrong Answer]
B.	4 GHz is the down-link and 6 GHz is the up-link frequency [Correct Answer]
C.	the system operates at a mean frequency of 5 GHz [Wrong Answer]
D.	one frequency is used as a back up for the other [Wrong Answer]
View Answer 1 -2 Explanation:- Answer : B 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 :

⇒

Assertion (A): The conditions under which it is possible to write Fourier series of a periodic function are called Drichlet conditions.

Reason (R): If f(t) = - f(- t), it is refereed to as odd symmetry.

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 true, R is false
A is false, R is true

⇒ Consider the following statements in connection with CMOS inverter in figure where both the MOSFET are of enhancement type and both have a threshold voltage of
Only statement 1 is true
Only statement 2 is true
Both the statement are true
Both the statements are false

⇒

Assertion (A): The resistance of a copper specimen changes by about 22% when temperature is increased from room temperature to 700°C.

Reason (R): The physical properties of a material are determined mostly by the extent of impurities.

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 an R-C series circuit excited by a voltage E, the charge across capacitor at t = 0⁺ is
0
CE
CE (1 - e^-t/RC)
none of the above

⇒ Which one of the following pairs is not correctly matched?
NaCl : Diamagnetic
Gd : Paramagnetic
Ferrite : Ferrimagnetic
Cr₂ O₃ : Ferromagnetic

⇒ In a CE bipolar transistor operating in active region, collector current is independent of
V_CE
I_B
both V_CE and I_B
none of the above

⇒ In monostable multivibrator
has no stable state
has one stable state
has two stable states
switches automatically from one state to other state

⇒ When P-N junction is in forward bias, by increasing the battery voltage
current through P-N junction reduces
current through P-N junction increases
circuit resistance increases
none of the above

⇒ As the magnitude of reverse bias is increased, the capacitance of varactor diode
increases
decreases
first increase, then decreases
first decreases then increases

⇒ The circuit of the given figure realizes the func
Y = (A + B) C + DE
Y = A + B + C + D + E
AB + C +DE
AB + C(D + E)

⇒ A n-port network is said to be active if power in the ckt is __________ .
P > 0
P < 0
P = 0
P = ∞

⇒ While __________ is the fastest unsaturated logic gate __________ has the excellent noise immunity?
ECL, TTL
TTL, ECL
ECL, RTL
RTL, DTL

⇒ Choose the function f(t), - ∞ < t < + ∞, for which a Fourier series cannot be defined
3 sin (25t)
4 cos (20t + 3) + 2 sin (10t)
exp - | t | sin 25 t
1

⇒ Denominator polynomial of a transfer function of certain network
stable
oscillatory
unstable
depends on numerator polynomial

⇒ A buffer is
always non-inverting
always inverting
inverting or non-inverting
none of the above

⇒ A unipole is also known as
omnidirectional radiator
unidirectional radiator
line radiator
none of the above

⇒

Assertion (A): In register indirect addressing mode of 8085, the address of operand is in the specified register.

Reason (R): An example of register indirect addressing mode is MOV, A, M..

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

⇒ 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

⇒ The electrolyte in a dry cell is completely dry.
TRUE
FALSE

⇒ The total power radiated from an antenna system is determined by imagining that the antenna is at the centre of a very large
sphere
rectangle
square
ellipse

⇒ In orthogonal BFSK. the energy of information bearing term is :
the same as total transmitted energy
one half of total transmitted energy
one fourth of total transmitted energy
None

⇒ In a JFET the width of channel is controlled by
gate voltage
drain current
source current
all of the above

⇒ The input to integrating op-amp is a rectangular wave. The output will be
a sine wave
a rectangular wave
a triangular wave
none of the above

⇒ The power requirements of a DRAM in active and stand by modes is about
350 mW and 5 mW respectively
350 mW each
5 mW each
350 mW and 100 mW respectively

⇒ The following k-map implem
BCD to Decimal Decoder
Decimal to BCD Encoder
1 of 10 Decoder
(a) and (c)

⇒ A diode is operating in forward region and the forward voltage and current are v = 3 + 0.3 sin ωt (volts) and i = 5 + 0.2 sin ωt (mA). The average power dissipated is
15 mW
about 15 mW
1.5 mW
about 1.5 mW

⇒ The ASCII code is
5-bit code
7-bit code
9-bit code
11-bit code

⇒ In figure, the switch is closed at t = 0. At t = 0⁺, di/dt = 4 A/s. Then
10 V
20 V
40 V
80 V

⇒ The circuit of figure is used to measure the value R_x. Ammeter resistance R_a = 0.1 Ω voltmeter resistance R_v = 5000 Ω. It R_x1 and R_x2, are the measured values of R_x with switch in position 1 and 2, the mean of R_x1, and R_x2,
9.98 Ω
10 Ω
10.04 Ω
10.1 Ω

⇒ If F = 95.0 what will be the result of following FORTRAN 77 program? 35
35
25
25