Title :
Dual-loop spread-spectrum clock generator
Author :
Hung-Sung Li ; Yu-Chi Cheng ; Puar, D.
Author_Institution :
NeoMagic Corp., Santa Clara, CA, USA
Abstract :
Discusses a newer technique to reduce EMI involving varying or modulating the clock frequency in a PC. This technique is known as spread spectrum, since the frequency spectrum of the clock is spread over a wider range of frequencies. Spread-spectrum technology has previously been reported to reduce EMI. This paper presents a dual-loop spread-spectrum clock generator (SSCG).
Keywords :
clocks; electromagnetic interference; pulse generators; spread spectrum communication; EMI; clock frequency; dual-loop spread-spectrum clock generator; frequency spectrum; spread-spectrum technology; Clocks; Electromagnetic interference; Feedback loop; Frequency; Master-slave; Phase locked loops; Spread spectrum communication; Timing; Voltage control; Voltage-controlled oscillators;
Conference_Titel :
Solid-State Circuits Conference, 1999. Digest of Technical Papers. ISSCC. 1999 IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-5126-6
DOI :
10.1109/ISSCC.1999.759186
