GATE ECE 1996 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1996

MCQ (Single Correct Answer)

-0.6

In the circuit shown in Fig. is a finite gain amplifier with a gain of K, a very large input impedance, and a very low output impedance. The input impedance of the feedback amplifier with the feedback impedance Z conducted as shown will be GATE ECE 1996 Analog Circuits - Frequency Response Question 8 English

GATE ECE 1996 Analog Circuits - Frequency Response Question 8 English

$$Z\left[ {1 - {1 \over K}} \right]$$

$$Z\left( {1 - K} \right)$$

$$\left[ {{Z \over {K - 1}}} \right]$$

$$\left[ {{Z \over {1 - K}}} \right]$$

GATE ECE 1996

MCQ (Single Correct Answer)

-0.6

Value of R in the oscillator shown in the given figure. So chosen that it just oscillates at an angular frequencies of' "$$\omega $$". The value of "$$\omega $$" and the required value of R will respectively be GATE ECE 1996 Analog Circuits - Oscillators Question 6 English

GATE ECE 1996 Analog Circuits - Oscillators Question 6 English

$${10^5}$$ rad/ sec, 2 $$ \times $$$${10^4}$$ $$\Omega $$

$$2 \times {10^4}$$ rad/ sec, $$2 \times {10^4}$$ $$\Omega $$

$$2 \times {10^4}$$ rad/ sec , $${10^5}\,\Omega $$

$${10^{5\,\,}}rad/\sec ,{10^5}\,\Omega $$

GATE ECE 1996

MCQ (Single Correct Answer)

-0.6

The number of bits in a binary PCM system is increased from n to n+1. As a result, the signal to quantization noise ratio will improve by a factor

$$\left( {n + 1} \right)/n$$

$${2^{\left( {n + 1} \right)/n}}$$

$${2^{2\left( {n + 1} \right)/n}}$$

which is independent of n

GATE ECE 1996

Subjective

-0

A system having an open loop transfer function $$G\left(s\right)=\frac{K\left(s+3\right)}{s\left(s^2+2s+2\right)}$$ is used in a control system with unity negative feedback. Using the Routh-Hurwitz criterion, find the range of values of 'K' for which the feedback system is stable.

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