Feedback Gives Peak Detector More Precision
The standard method for measuring the peak of a signal involves the use of a diode. If the diode is used alone, the input voltage has to be significantly larger than the turn-on voltage to obtain acceptable accuracy. The turn-on voltage ranges from 200mV in germanium diodes to 700mV in silicon diodes. To achieve 10% error, the simple detector requires an input voltage of 2V to 7V, respectively.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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May 8, 2007 |
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AN1309.0 |
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83 KB |
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