MT140-003

# MT140-003 - Basic Concepts Periodic Signals x X m Sint X pk...

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Basic Concepts Basic Concepts Periodic Signals 1 t Sin X x m m pk X X DC signal addition

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Basic Concepts Basic Concepts Average value of a signal Also known as X dc . Average value of an AC signal is zero. So how do we get dc value? 2 2 1 ) ( 1 1 2 t t av dt t x t t X
Basic Concepts Basic Concepts Average value of a signal Also known as X dc . Average value of an AC signal is zero. So how do we get dc value? 3 2 1 ) ( 1 1 2 t t av dt t x t t X

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Basic Concepts Basic Concepts Example 1.5 For the rectangular wave as shown in the fig. Derive an expression for the full cycle average in terms of X m and duty cycle d. 4
Basic Concepts Basic Concepts Exercise 1.4 For the pulse train of the fig. derive an expression for X av in terms of X m and the duty cycle d. 5

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Basic Concepts Basic Concepts Example 1.5 Derive an expression for the half cycle average of the sine wave. 6
Basic Concepts Basic Concepts Exercise 1.5 For the triangular waves derive an expression for X av(hc) in terms of X m . 7

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Basic Concepts Basic Concepts Electric Circuits 1. To facilitate interconnection, circuit elements are equipped with leads or wires of a good electrical conductor like copper.
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