Question is ⇒ The noise figure of FET circuit is, Options are ⇒ (A) independent of the quiescent point, (B) dependent on the quiescent point only, (C) dependent on the triggering mechanism, (D) independent of all above, (E) , Leave your comments or Download question paper.

Question is ⇒ The noise figure of FET circuit is, Options are ⇒ (A) independent of the quiescent point, (B) dependent on the quiescent point only, (C) dependent on the triggering mechanism, (D) independent of all above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The noise figure of FET circuit is
A.	independent of the quiescent point [Correct Answer]
B.	dependent on the quiescent point only [Wrong Answer]
C.	dependent on the triggering mechanism [Wrong Answer]
D.	independent of all above [Wrong Answer]
View Answer 9 -6 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 :

⇒ A variable resistance R and capacitive reactance X_C are fed by an voltage. The current locus is
a semi circle in 4th quadrant
a semi circle in first quadrant
a straight line in 4th quadrant
a straight line first quadrant

⇒ A 12 bit ADC is operating with 1 μs clock period. Total conversion time is 14 μs. ADC is
flash type
counting type
integrating type
successive approximation type

⇒ Which memory is available in all technologies?
PROM
EEPROM
ROM
EPROM

⇒ Consider the following expression for the driving point imped
2 and 4
1 and 3
1 and 4
2 and 3

⇒

Assertion (A): Snubber circuit has an RC series circuit in parallel with SCR

Reason (R): Voltage across a capacitor can not change instantaneously.

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

⇒ A person with a receiver is 5 km away from the transmitter. What is the distance that this person must move further to detect at 3 dB decrease in signal strength?
942 m
2070 m
4978 m
5320 m

⇒ The noise figure of klystron amplifier is about
25 dB
3 dB
zero
1 dB

⇒ Consider the following statements about mutual inductances:

The value should remain constant under all conditions.
The mutual inductance should not vary with temperature.
The inductance should be independent of excitation.
They have two coils wound on a bobbin of hard magnetic material, coils being separated by a range.

Out of the above, correct statement are
2, 3, 4
1, 2, 3
1, 3, 4
1, 2, 4

⇒ The transistor of following figure in Si diode with a base current of 40 μA and I_CBO = 0, if V_BB = 6V, R_E = 2 kΩ and β = 90, I_BQ = 20 μA then I_{EQ1800 μA
180 μA
2000 μA
3000 μA}

⇒ A system has 12 poles and 2 zeros. Its high frequency asymptote in its magnitude plot has a slope of
-200 dB/decade
-240 dB/decade
-280 dB/decade
-320 dB/decade

⇒ If H(s) is positive real, 1/H(s)
is positive real
is not positive real
may or may not be positive real
must possess some other properties also if it is to be positive real

⇒ If we need a device to shut off a few ampere current in a few nano seconds, the proper devices is
VMOS
CMOS
BJT
UJT

⇒ Which memory has read operation, byte erase, byte write and chip erase?
RAM
UVEPROM
EEPROM
both (b) and (c)

⇒ As per Boolean algebra, inputs can be interchanged in
OR gates
AND gates
both OR and AND gates
none of the above

⇒ Fastest memory cell
bubble memory
core memory
semiconductor memory
superconductor memory

⇒ In a series RLC circuit, p-f is leading if X_C < X_L.
TRUE
FALSE

⇒ A signal with ± 10 V ranged and 1 KHz band width is being digitized using a sample and hold circuit and a 10 bit quantizer. The minimum sampling rate is :
62831.9 V/sec
125663.8 V/sec
31415.95 V/sec
None

⇒ As temperature increases the number of free electrons and holes in an intrinsic semiconductor
increases
decreases
remains the same
may increase or decrease

⇒ A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance
increases
decreases
remains constant
may increases or decreases

⇒ To protect an SCR against high di/dt we connect
a capacitance in series with SCR
a capacitance in parallel with SCR
an inductance in parallel with SCR
an inductance in series with SCR

⇒ For a NPN bipolar transistor, what is the main stream of current in the base region?
Drift of holes
Diffusion of holes
Drift of electrons
Diffusion of electrons

⇒ With 2's complement representation, the range of values that can be represented on the data bus of an 8 bit microprocessor is given by
-128 to 127
-128 to +128
-127 to 128
-256 to 256

⇒ In figure, the transmission parameters are A = C = 1, B = 2 and D = 3. Then Z_{in12/13 Ω
13/12 Ω
3 Ω
4 Ω}

⇒ Diffraction of EM waves
arises only with spherical wave front
may occur around the edge of an obstacle
occurs when waves pass through a big slot
none of the above

⇒ The series element of a band stop filter is
capacitive
inductive
parallel combination of L and C
series combination of L and C

⇒ In a single phase full wave ac regulator, the firing angles in the two half cycles
are always equal
are sometimes equal
are never equal
may be equal or unequal

⇒ A scheme shown below is to generate a wide band FM modulate sign
88 MHz, 112 MHz
96 MHz, 104 MHz
92 MHz, 108 MHz
90 MHz, 110 MHz

⇒ If E_b, the energy per bit of a binary digital signal is 10^-6 watt sec. and the one sided power spectral density of the white noise N₀ = 10^-5 W/Hz, then the output SNR of the matched filter is
26 dB
10 dB
20 dB
13 dB

⇒ In Pascal if I = 45, I div 10 * 10 =
45
40
0.45
0.4

⇒ In an RC series circuit R = 100 Ω and X_C = 10 Ω. In this circuit
the current and voltage are in phase
the current leads the voltage by about 6°
the current leads the voltage by about 84°
the current lags the voltage by about 6°