Spread spectrum clock generator with hybrid controlled oscillator

S. Byun

doi:10.1049/el.2009.2042

Spread spectrum clock generator with hybrid controlled oscillator

S. Byun

Department of Electronics & Electrical Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

A spread spectrum clock generator (SSCG) with a hybrid controlled oscillator (HCO) is presented. By using the proposed HCO, the modulation ratio of an SSCG can be made insensitive to process, voltage and temperature variations without a ΣΔ fractional-N phase-locked loop. The simulated modulation ratio sensitivities are as low as -1.3/100°C and 7.0/V for temperature and V_DD, respectively. The SSCG IC, designed in a 0.18m 1P4M CMOS process, operates from 40 to 90MHz and consumes 5.5mA from a 1.8V supply voltage.

Original language	English
Pages (from-to)	1146-1147
Number of pages	2
Journal	Electronics Letters
Volume	45
Issue number	23
DOIs	https://doi.org/10.1049/el.2009.2042
State	Published - 2009

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10.1049/el.2009.2042

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title = "Spread spectrum clock generator with hybrid controlled oscillator",

abstract = "A spread spectrum clock generator (SSCG) with a hybrid controlled oscillator (HCO) is presented. By using the proposed HCO, the modulation ratio of an SSCG can be made insensitive to process, voltage and temperature variations without a ΣΔ fractional-N phase-locked loop. The simulated modulation ratio sensitivities are as low as -1.3/100°C and 7.0/V for temperature and VDD, respectively. The SSCG IC, designed in a 0.18m 1P4M CMOS process, operates from 40 to 90MHz and consumes 5.5mA from a 1.8V supply voltage.",

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year = "2009",

doi = "10.1049/el.2009.2042",

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journal = "Electronics Letters",

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AB - A spread spectrum clock generator (SSCG) with a hybrid controlled oscillator (HCO) is presented. By using the proposed HCO, the modulation ratio of an SSCG can be made insensitive to process, voltage and temperature variations without a ΣΔ fractional-N phase-locked loop. The simulated modulation ratio sensitivities are as low as -1.3/100°C and 7.0/V for temperature and VDD, respectively. The SSCG IC, designed in a 0.18m 1P4M CMOS process, operates from 40 to 90MHz and consumes 5.5mA from a 1.8V supply voltage.

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JO - Electronics Letters

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Spread spectrum clock generator with hybrid controlled oscillator

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