An Edge Missing Compensator for Fast Settling Wide Locking Range Phase-Locked Loops

An edge missing compensator (EMC) is proposed to approach the function of an ideal PD with plusmn2 N-1 times 2pi linear range with N-bit EMC. A PLL implemented with a 9-bit EMC achieves 320 MHz frequency hopping within 10 mus logarithmically which is about 2.4 times faster than the conventional desi...

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Bibliographic Details
Published in:IEEE journal of solid-state circuits 2009-11, Vol.44 (11), p.3102-3110
Main Authors: LIN, Chi-Sheng, CHIEN, Ting-Hsu, WEY, Chin-Long, HUANG, Chun-Ming, JUANG, Ying-Zong
Format: Article
Language:English
Subjects:
Applied sciences
Automata
Circuit properties
Circuits
Circuits of signal characteristics conditioning (including delay circuits)
Compensators
Edge missing comparator
edge missing detector
Electric, optical and optoelectronic circuits
Electromagnetic compatibility
Electronic circuits
Electronics
Exact sciences and technology
extended linear region
Frequency conversion
Frequency hopping
Laboratories
Locking
Noise
Offsets
Phase detection
Phase frequency detector
Phase locked loops
Phase noise
phase-locked loop (PLL)
Settling
Transient response
Voltage-controlled oscillators
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Summary:An edge missing compensator (EMC) is proposed to approach the function of an ideal PD with plusmn2 N-1 times 2pi linear range with N-bit EMC. A PLL implemented with a 9-bit EMC achieves 320 MHz frequency hopping within 10 mus logarithmically which is about 2.4 times faster than the conventional design. The reference spur of the PLL is -48.7 dBc and the phase noise is -88.31dBc/Hz at 10 kHz offset with K VCO = - 2 GHz/V.
ISSN:0018-9200
1558-173X
DOI:10.1109/JSSC.2009.2031209