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Feature Article
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Issue #209 December 2007
THE DARKER SIDE
Are You Locked?
A PLL Primer
by Robert Lacoste
Start | VCO Basics | PLL Basics | Integer or Fractional? | PLL Design | Silicon Trends | It's Your Turn! | Sources & PDF
SOURCES & PDF
Robert Lacoste lives near Paris, France. He has 18 years of experience working on embedded systems, analog designs, and wireless telecommunications. He has won prizes in more than 15 international design contests. In 2003, Robert started a consulting company, ALCIOM, to share his passion for innovative mixed-signal designs. You can reach him at rlacoste@alciom.com. Don’t forget to write “Darker Side” in the subject line to bypass his spam filters.
RESOURCES
C. Barrett, “SWRA029: Fractional/
Integer-N PLL Basics,” Texas Instruments, Inc., 1999.
B. Brannon, “Application Note AN-756: Sampled Systems and the Effects of Clock Phase Noise and Jitter,” Analog Devices, Inc., 2004.
SOURCES
ADIsimPLL V3 Virtual design software
Analog Devices, Inc.
www.analog.com
CyberClocks online software and CY22393 programmable clock generator
Cypress Semiconductor Corp.
www.cypress.com
Proteus ProSpice simulator
Labcenter Electronics
www.labcenter.com
