Analog Electronics - ECE Questions and Answers

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Which of the following is the conversion time of a dual-slope ADC

5 to 10 ns

10 to 100 ns

100 to 200 ns

2 to 3 ns

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If a certain multiplexer can switch one of 32 data inputs to its output. How many different inputs does this MUX have?

30 data inputs & 5 select inputs

32 data inputs and 5 select inputs

32 data inputs and 4 select inputs

None of the above

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Which of the following is the value of unity gain bandwidth of 741 OPAMP

4 MHz

2 MHz

6 MHz

1 MHz

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__________ is known as fastest switching logic family

CMOS

TTL

DTL

ECL

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The voltage between the emitter and collector of a silicon transistor when the transistor is biased to be at the edge of saturation is

5 volts

10 Volts

0.1 Volts

0.3 Volts

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Schottky TTL gates have propagation delay time of the order of

6ns

5ns

2ns

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How many comparators does a 12-bit flash ADC require

4000

3095

4095

2512

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Open-loop voltage gain of 741 OPAMP is ________

40 dB

200 dB

100 dB

70 dB

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In Worst case ECL noise margins are approximately

100 mV

50 mV

250 mV

400 mV