Semiconductor integrated circuit having a squelch circuit

A semiconductor integrated circuit has a squelch circuit which has a first noninverting input terminal and a first inverting input terminal, which compares differential amplitude between a signal which is input to the first noninverting input terminal and a signal which is input to the first inverti...

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Bibliographic Details
Main Author MATSUDERA KATSUKI
Format Patent
LanguageEnglish
Published 26.02.2013
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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Summary:A semiconductor integrated circuit has a squelch circuit which has a first noninverting input terminal and a first inverting input terminal, which compares differential amplitude between a signal which is input to the first noninverting input terminal and a signal which is input to the first inverting input terminal with a preset threshold, and which outputs a signal depending upon a result of the comparison. The semiconductor integrated circuit has a first switch circuit between a first reception terminal and the first noninverting input terminal. The semiconductor integrated circuit has a second switch circuit between a second reception terminal and the first inverting input terminal. The semiconductor integrated circuit has a third switch circuit between the first reception terminal and the first inverting input terminal. The semiconductor integrated circuit has a fourth switch circuit between the second reception terminal and the first noninverting input terminal.
Bibliography:Application Number: US201113009032