ISRO Scientist or Engineer Electronics 2011

Instructions

For the following questions answer them individually

Question 61

The figure of merit of a logic family is given by

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Question 62

............... is defined as the time delay that a signal component of frequency $$\omega$$ undergoesas it passes from the input to output of the system.

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Question 63

Which statementis true regarding a behavior modeling in VADL

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Question 64

The process of imitating one system with anotherso that the imitating systems accepts the samedata, executes same programs and achieves sameresults as the imitated systems is known as

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Question 65

The values of R, L and C in series RLC circuit that resonates at 1.5 KHz and consumes 50W from a 50V ac source operating at the resonant frequency. The bandwidth is 0.75 KHz.

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Question 66

When VSWR is 3, the magnitude of the reflection co-efficient will be

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Question 67

The conductivity of the intrinsic germanium at $$300^\circ$$K is . When, $$n_{i}$$; at $$300^\circ K = 2.5 X 10^{13}/cm$$ and $$\mu_{n}$$, and $$\mu_{p}$$, in germanium are 3800 and 1800 cm$$^2$$/Vs respectively.

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Question 68

As comparedto a full waverectifier using 2 diodes, the four diode bridge rectifier has the dominant advantage of

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Question 69

In a real time system, the simplest scheme that allows the operating system to allocate memory to two processes simultaneously is ............

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Question 70

$$(\cos 5 \theta - i \sin 5 \theta)^{2}$$ is same as

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