Multiple adjacent slicewise layout of voltage-controlled oscillator

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United States of America Patent

PATENT NO 11777475
APP PUB NO 20220294432A1
SERIAL NO

17829126

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Abstract

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Methods and systems are described for generating multiple phases of a local clock at a controllable variable frequency, using loop-connected strings of active circuit elements. A specific embodiment incorporates a loop of four active circuit elements, each element providing true and complement outputs that are cross-coupled to maintain a fixed phase relationship, and feed-forward connections at each loop node to facilitate high frequency operation. A particular physical layout is described that maximizes operating frequency and minimizes clock pertubations caused by unbalanced or asymmetric signal paths and parasitic node capacitances.

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Patent Owner(s)

  • KANDOU LABS, S.A.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Licciardello, Fabio Antibes, FR 3 3
Mogentale, Yohann Culoz, FR 3 3
Tajalli, Armin Lausanne, CH 91 1257

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