Question is ⇒ It is desired that transmission line and load should match for a range of frequencies. The best method is, Options are ⇒ (A) to use a balun, (B) to use a single stub of adjustable position, (C) to use a double stub, (D) to use a broad band amplifier, (E) , Leave your comments or Download question paper.

Question is ⇒ It is desired that transmission line and load should match for a range of frequencies. The best method is, Options are ⇒ (A) to use a balun, (B) to use a single stub of adjustable position, (C) to use a double stub, (D) to use a broad band amplifier, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	It is desired that transmission line and load should match for a range of frequencies. The best method is
A.	to use a balun [Wrong Answer]
B.	to use a single stub of adjustable position [Wrong Answer]
C.	to use a double stub [Correct Answer]
D.	to use a broad band amplifier [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C 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 :

⇒ In a coupled coil the primary has 100 turns and secondary has 200 turns. The primary produces, a flux Φ = e^-t. The coefficient of coupling is 1. The voltages induced in secondary is
200 e^-t V
200 e^t V
200 V
none of the above

⇒ Radiation pyrometer is used to measure temperature in the range of
-200 to 500° C
0 to 500° C
500 to 1200° C
1200 to 2500° C

⇒ Maximum efficiency of class B power amplifier is 50%.
TRUE
FALSE

⇒ In a current mirror
the i - v curve of compensating diode is similar to collector curve of transistor
the i - v curve of compensating diode is similar to transconductance curve of transistor
either (a) or (b)
neither (a) nor (b)

⇒ In a circular waveguide with radius r, the dominant mode is
TM₀₁
TE₀₁
TM₁₁
TE₁₁

⇒ Which of the following pulse communication system is inherently immune to noise?
PPM
PCM
PWM
PAM

⇒ For insulators the energy gap is of the order of
0.1 eV
0.7 eV
1.1 eV to 1.2 eV
5 to 15 eV

⇒ In a JFET, the drain current is maximum when
V_GS = V_DS
V_GS = pinch off voltage
V_GS = 0
V_GS is negative

⇒

Assertion (A): The hybrid p model of a transistor can be reduced to h parameter model and vice versa.

Reason (R): Hybrid p and h parameter models are interrelated as both of them describe the same device.

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

⇒

Match the following:

	List I		List II
A.	Servomotor	1.	Error detector
B.	Amplidyne	2.	Transducer
C.	Potentiometer	3.	Actuator
D.	Flapper valve	4.	Power amplifier

A-3, B-1, C-2, D-4
A-4, B-3, C-2, D-1
A-3, B-4, C-1, D-2
A-3, B-4, C-2, D-1

⇒ A FET is a better clapper than a BJT because it has
lower off-set voltage
higher series ON resistance
lower input current
higher input impedance

⇒ Which of these has poor overload capacity?
PMMC instrument
Hot wire instrument
Dynamometer instrument
Both (a) and (c)

⇒ A multivibrator generates
sinusoidal waveforms
non-sinusoidal waveforms
both (a) and (b)
none of the above

⇒ An active network has
an e.m.f source
a current source
neither of the above
either (a) or (b)

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

⇒ A load Z_L = R_L + jX_L is to be matched using an ideal transformer to generator of internal impedance Z_S = R_S + jX_S. The ratio of transformer required is __________ .
|Z_S|/|Z_L|
R_L/R_S
R_L/Z_S
|Z_L|/R_S

⇒ If a resistance R of 1 Ω is connected between A and B in figure, current flowing through
0.0416666666666667
0.5 A
0.25 A
0.125 A

⇒ For the K map of the given figure the simplified Boolean expressio
A B + A B
B
A
AB

⇒ In figure, transistor β_dc = 100 and LED voltage when it is conducting is 2 V. Then the base current which saturates the transisto
18 mA
1.8 mA
0.18 mA
0.018 mA

⇒ In CCD
a small charge is deposited for logical 1
a small charge is deposited for both logical 1 and 0
a small charge is deposited for logical 0 and large charge for logical 1
none of the above

⇒ A surge voltage
has very high magnitude and very long duration
has very high magnitude and very small duration
has very high magnitude and very small duration and can be positive or negative
can be only positive

⇒ The number of select lines in ALU 1C 74181 is
2
4
8
16

⇒ If output power of a radio receiver is doubled, its volume is increased by __________ dB.
2
3
1
-3

⇒ The average value of wave in figur
90 V
75 V
60 V
50 V

⇒ What is the address space of 8086 CPU?
One Megabyte
256 Kilobytes
1 K Megabytes
64 Kilobytes

⇒ The passband of the tuned circuits of a radio receiver should be equal to
20 kHz
455 kHz
1455 kHz
more than 455 kHz

⇒ Which circuit has its output signal from, the emitter?
Common base
Common emitter
Emitter follower
None of the above

⇒ Audio amplifiers need
Bass control
Treble control
Both Bass and Treble control
Either Bass or Treble control

⇒ Which of the statement is correct?
h and g matrices are inverse of each other
z and y matrices are inverse of each other
for reciprocal networks AD - BC = 1
ABCD parameters are used in transistor circuit

⇒ For ideal performance, a filter should be terminated in characteristic impedance.
TRUE
FALSE