Signal processing circuit outputting a signal representing the number of times an input signal rises in a predetermined period as a signal corresponding to a quality of the input signal
First Claim
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1. A signal processing circuit outputting a signal corresponding to a quality of a digitized input signal, the circuit comprising:
- an edge counter counting a number of times said input signal rises and/or falls in a predetermined period; and
an output unit outputting a signal corresponding to said number of times as the signal corresponding to the quality of said input signal.
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Abstract
A signal processing circuit outputs a signal corresponding to a quality of a digitized input signal. An edge counter of the signal processing circuit counts the number of times the input signal rises and/or falls in a predetermined period. An output unit of the signal processing circuit outputs a signal representing the number of times counted by the edge counter. This signal is output as the signal corresponding to the quality of the input signal.
14 Citations
15 Claims
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1. A signal processing circuit outputting a signal corresponding to a quality of a digitized input signal, the circuit comprising:
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an edge counter counting a number of times said input signal rises and/or falls in a predetermined period; and
an output unit outputting a signal corresponding to said number of times as the signal corresponding to the quality of said input signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification