Transcription: The topic for this lesson is filters for power supplies. Neither the half-wave nor the full-wave rectifier is sufficient to provide the DC power required for electronic circuits since their harmonic components produce an audible noise. Filtering is essential to suppress the harmonics. The frequency response characteristics of capacitors and inductors are utilized to attenuate harmonics and produce a smooth voltage with negligible fluctuations. In its simplest form, the filter uses a capacitor to smooth out the variations in the output voltage of a rectifier. This simple circuit example is show ...
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