ENTC 4350

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ENTC 4350

• HOMEWORK SET 1

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Chapter 3, Problem 16.

• An amplifier has an output signal of 3.6 V
  rms when a sinewave input signal of 0.1 V rms is
  present. State its gain in decibels.

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Chapter 3, Problem 17.

• An amplifier has a gain of 20 dB. This
  represents an output-to-input ratio of _________.

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Chapter 3, Problem 21.

• The data below were collected by measurement with
  a voltmeter. Calculate (a) mean voltage, (b)
  variance, (c) standard deviation.
• 4.35 6.21 5.02 3.99 3.02 6.00 4.77 3.3
• 4.05 5.43 3.45 1.99 6.15 5.75 2.98 5.43
• 2.22 3.49 4.00 4.40 5.20 5.70 7.01 8.10
• 4.33 4.00 5.20 4.65 4.34 3.90 5.45 6.90
  

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Sx
Variance
m
Std. Dev.