Hi,
>Why does a sinusoidal waveform alone does not have any harmonics or
>distortion ?
>
>For example, (Reference ->formatting link
>Sawtooth wave of constant period contains odd and even harmonics
>Square wave of constant period contains odd harmonics
>Triangle wave, (an integral of square wave) contains odd harmonics
>
>But, How is it possible that sinusoidal wave alone does not have any
>harmonics or distortion ?
>I searched the internet,but i did not find any link/pdf that talks in
>detail about these .
>Any ideas ?
Odd and even harmonics are themselves pure sine waves that are frequency multiples of a fundamental sine wave. Distortion of a sine wave produces odd and/or even harmonics. So, sine waves are irreducible pure signals that other signals can be analyzed into.