SQUELCH DETECTOR

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United States of America Patent

APP PUB NO 20240305258A1
SERIAL NO

18522544

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A squelch detector is disclosed by the present application. By configuring the first to third bias current sources and a mirror ratio of the current mirror circuit, when an amplitude difference between first and second input signals is smaller or greater than a squelch threshold, flip of an output node in the squelch detector depends only on the squelch threshold and is independent of variations of process, voltage and temperature (PVT) parameters. Thus, the squelch detector can always provide reliable amplitude detection of input signals despite of possible variations of the PVT parameters.

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Patent Owner(s)

Patent OwnerAddress
GIGADEVICE SEMICONDUCTOR INCHAIDIAN BEIJING

International Classification(s)

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  • 2023 Application Filing Year
  • H03G Class
  • 193 Applications Filed
  • 72 Patents Issued To-Date
  • 37.31 % Issued To-Date

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HOU, Dequan Beijing, CN 1 0
LIU, Sanlin Beijing, CN 4 0

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4292201 - 100255075100125150175200225250275300325350375400425450475

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