Title :
A 0.5-to-480MHz Self-Referenced CMOS Clock Generator with 90ppm Total Frequency Error and Spread-Spectrum Capability
Author :
McCorquodale, Michael S. ; Pernia, Scott M. ; Day, Justin D O ; Carichner, Gordy ; Marsman, Eric ; Nguyen, Nam ; Kubba, Sundus ; Nguyen, Si ; Kuhn, Jon ; Brown, Richard B.
Author_Institution :
Mobius Microsyst., Detroit, MI
Abstract :
This work demonstrates a self-referenced CMOS LCO, or CMOS harmonic oscillator (CHO), that exhibits 90ppm total frequency error over process, bias and temperature, thus making it suitable for replacing XOs in many applications. Additionally, the clock generator can be configured to produce a number of different output frequencies, has 1/4 of the frequency error of the oscillator in [3] and includes a direct modulation technique enabling SSCG.
Keywords :
CMOS integrated circuits; clocks; CMOS; SSCG; clock generator; frequency 0.5 MHz to 480 MHz; self referenced; spread spectrum capability; total frequency error; Clocks; Frequency; Matrix converters; Oscillators; Phase locked loops; Phase noise; Rails; Solid state circuits; Spread spectrum communication; Temperature;
Conference_Titel :
Solid-State Circuits Conference, 2008. ISSCC 2008. Digest of Technical Papers. IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-2010-0
Electronic_ISBN :
978-1-4244-2011-7
DOI :
10.1109/ISSCC.2008.4523201
