DEVICE, METHOD AND SYSTEM TO DETERMINE CALIBRATION INFORMATION WITH A SHARED RING OSCILLATOR CIRCUIT

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United States of America Patent

APP PUB NO 20230088853A1
SERIAL NO

17482119

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Techniques and mechanisms for determining calibration information based on tuning of a ring oscillator circuit formed with two integrated circuit (IC) dies. In an embodiment, an oscillator circuit comprises an in-series arrangement of delay circuits including a first one or more delay circuits of a first die, and a second one or more delay circuits of a second die. Respective circuitry of the first die and the second die performs tuning to match an oscillation frequency of the oscillator circuit with a reference frequency. An operational setting of the tuned oscillator circuit is provided to calibrate transmitter circuitry of the first die and the second die. In another embodiment, tuning of the oscillator circuit is further based on tuning of a local oscillator circuit of one of the first die or the second die.

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Patent Owner(s)

Patent OwnerAddress
ALTERA CORPORATION101 INNOVATION DRIVE SAN JOSE CA 95134

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  • 2021 Application Filing Year
  • H03L Class
  • 451 Applications Filed
  • 350 Patents Issued To-Date
  • 77.61 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leong, Chee Seng Gelugor, MY 12 137

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges93340301 - 100501001502002503003504004505005506006507007508008509009501000

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