Analog Electronics - ECE Questions and Answers

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For a 3-bit flash ADC, the number of comparators required are

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A notch filter is a _________

Wide band pass filter

Narrow band pass filter

Wide band reject filter

Narrow band reject filter

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The equiripple response filter is called __________, while maximally flat time delayresponse is given by _____________ filter

Chebyshev, Bessel

Butter worth, Bessel

Bessel, Chebyshev

Chebyshev, Butter Worth

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The ratio of change in input offset voltage when variation in supply voltage is made is known as __________

PSRR

CMRR

Transient response

Input offset voltage stability

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The order of input resistance in 741 OPAMP is

1 to 104 W

103 W

105W

106W

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Which of the following property belongs to CMOS logic

Increased capacitance and delay

Decreased area

High noise margin

Low static power dissipation

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For which of the following reason NPN transistor is not suitable for good analog switch

Ic-Vce characteristic curve pass directly through origin

The device has very high input impedance

The device is asymmetrical with an offset voltage Vce off

It has well defined transition frequency fT

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Active loaded MOS differential circuit has a ______

High CMRR

Low CMRR

High delay

High differential gain

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For the below circuit , Input resistance Rid will be

2R1

2 R1+ R2

2 (R1+ R2)

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