Tunable distributed oscillator

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United States of America Patent

PATENT NO 11909356
APP PUB NO 20220407458A1
SERIAL NO

17807426

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Abstract

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An integrated circuit transceiver device includes a plurality of functional circuits, and clock circuitry for distributing synchronous, in-phase, phase-locked clock signals to all transceiver circuits. The clock circuitry includes a frequency-controllable distributed oscillator including at least one coupled pair of transmission line oscillators having a respective oscillator core, and at least one respective transmission line segment. At least one impedance element couples the at least one respective transmission line segment of a first transmission line oscillator to the at least one respective transmission line segment of a second transmission line oscillator. Impedance of the impedance element is different from impedance of each respective transmission line segment to cause reflection at the at least one impedance element. At least one tap corresponding to each respective one of the transmission line oscillators outputs synchronous, in-phase, phase-locked clock signals for the functional circuits at points along the distributed oscillator.

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Patent Owner(s)

Patent OwnerAddress
MARVELL ASIA PTE LTDSINGAPORE CITY SINGAPORE CITY SINGAPORE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahmad, Fazil Irvine, US 9 67
Azarmnia, Morteza Irvine, US 4 7
Dusatko, Tomas North Vancouver, CA 3 22
Garampazzi, Marco Pavia, IT 6 15

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