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A 1 mW low phase-noise relaxation oscillator | IEEE Conference Publication | IEEE Xplore

A 1 mW low phase-noise relaxation oscillator


Abstract:

We present a new RC relaxation oscillator with pulse self biasing, to reduce power consumption, and with harmonic filtering and resistor feedback, to reduce phase-noise. ...Show More

Abstract:

We present a new RC relaxation oscillator with pulse self biasing, to reduce power consumption, and with harmonic filtering and resistor feedback, to reduce phase-noise. A circuit prototype in the hundreds of MHz range, designed in a 130 nm CMOS technology has a very low phase-noise, -132.6 dBc/Hz @ 10 MHz offset, and the power consumption is only 1 mW, which leads to a figure of merit (FOM) of -159.1 dBc/Hz.
Date of Conference: 15-18 May 2011
Date Added to IEEE Xplore: 04 July 2011
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Conference Location: Rio de Janeiro, Brazil

References

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