Question 12.13: Calculate the harmonic distortion components for an output s...
Calculate the harmonic distortion components for an output signal having fundamental amplitude of 2.5 V, second harmonic amplitude of 0.25 V, third harmonic amplitude of 0.1 V, and fourth harmonic amplitude of 0.05 V.
Using Eq. (12.30)
\% n \text {th harmonic distortion }=\% D_{n}=\frac{\left|A_{n}\right|}{\left|A_{1}\right|} \times 100 \% (12.30)
yields
\% D_{2}=\frac{\left|A_{2}\right|}{\left|A_{1}\right|} \times 100 \%=\frac{0.25 V }{2.5 V } \times 100 \%= 1 0 \%\% D_{3}=\frac{\left|A_{3}\right|}{\left|A_{1}\right|} \times 100 \%=\frac{0.1 V }{2.5 V } \times 100 \%=4 \%
\% D_{4}=\frac{\left|A_{4}\right|}{\left|A_{1}\right|} \times 100 \%=\frac{0.05 V }{2.5 V } \times 100 \%= 2 \%
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