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Q1. | Among the digital IC families - ECL, TTL, and CMOS |

A. | ECL has the least propagation delay [Correct Answer] |

B. | TTL has largest fan out [Wrong Answer] |

C. | CMOS has the lowest noise margin [Wrong Answer] |

D. | TTL has the lowest power consumption [Wrong Answer] |

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Explanation:-
Answer : ADiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

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1

2

3

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⇒ An electrolytic capacitor can be used for

ac only

dc only

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high frequency ac

⇒ For the system of the given figure the closed loop poles are locate

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± 0.5%

± 3%

± 0.01%

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⇒ As regards single phase dual converter

the change in operation from one quadrant to the other is faster in non-circulating current mode

the change in operation from one quadrant to the other is faster in circulating current mode

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⇒ In figure the effective resistance faced by voltage source

1 Ω

2 Ω

3 Ω

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*s*^{4}+*s*^{3}+ 2*s*^{2}+ 2*s*+ 3 = 0 haszero root in RHS of

*s*-planeone root in RHS of

*s*-planetwo roots in RHS of

*s*-planethree roots in RHS of

*s*-plane⇒ The number of valence electrons in germanium atom is

4

2

1

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decrease the firing angle

increase the firing angle

either decrease or increase the firing angle depending on the required speed

decrease the load torque

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2

3

4

5

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IC = FC - EC

IC = FC + EC

IC = FC + 2EC

EC = IC + EC

⇒ Loss of charge method is suitable for medium resistances.

TRUE

FALSE

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*s*may differ by either zero or one only.TRUE

FALSE

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*j*) as a specific frequency, the circuit would consist of series- R and C
- R and L
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1 and 2

1 and 3

1, 2 and 3

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⇒ The characteristic impedance of a twin wire feeder used for TV signals is about

1000 ohm

500 ohm

300 ohm

100 ohm

⇒ Two capacitors of 1 μF and 2 μF are connected in series across a 10 V dc battery. After the capacitors have been charged, the charges across the two capacitors will be

10 μC each

20 μC each

10 μC and 20 μC

20 μC and 10 μC

⇒ Which interrupts are masked?

5.5

6.5

7.5

None

⇒ Current through a charging capacitor exhibits

an exponential growth function

an exponential decay function

a step decay function

a linear decay function

⇒ An amplitude modulated signal occupies a frequency range from 395 kHz to 405 kHz. If can be demodulated by which of the following?

Using an envelope detector and filter

Multiplying with a 395 kHz local signal

Multiplying with a 405 kHz local signal

Low pass filtering with cut off at 400 kHz

⇒ A thyristor circuit is feeding an R-L load. The turn on time can be reduced by

decreasing R

decreasing L

increasing L

decreasing R and L together

⇒ 2's complement of a given 3 or more bit number of non-zero magnitude is the same as the original number if all bits except

MSB are zero

LSB are zero

MSB are 1

LSB are 1

⇒ Point out the false statement

impulse noise voltage does not depend on bandwidth

thermal noise is independent of frequency at which it is measured

industrial noise is mostly of impulse type

space noise is observable at frequencies in the range of 8 MHz and higher

⇒ The number of comparator circuits required to build a three-bit simultaneous A/D converter is

7

8

15

16

⇒ A compensated wattmeter has its reading corrected for error due to which one of the following parameters?

Frequency

Friction

Power consumed in current coil

Power consumed in pressure coil