February 2016
Intermediate to advanced
216 pages
14h 38m
English
Content preview from Newnes Audio and Hi-Fi Engineer's Pocket Book, 3rd Edition
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304
Oscilloscope traces
Many faults and conditions can be identified by judicious use
of the oscilloscope. Apart from a multimeter it is the number
one tool of the audio engineer. The following are some of its
uses.
Overloading Overloading occurs if the input signal is too
high or some fault reduces the signal handling capability of any
stage. It can be identified by the clipping off of the tops of the
peaks to a straight line. All peaks of the same polarity clip at
the same level and reducing the gain to below that level
restores the original waveform, although distortion just below
it will be high. By moving the oscilloscope input lead t
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