A SCHEME OF PLL WITH FINITE IMPULSE RESPONSES

Authors
KOBAYASHI F HARATSU M
Citation
F. Kobayashi et M. Haratsu, A SCHEME OF PLL WITH FINITE IMPULSE RESPONSES, IEEE transactions on circuits and systems. 1, Fundamental theory andapplications, 43(4), 1996, pp. 340-343
Citations number
5
Categorie Soggetti
Engineering, Eletrical & Electronic
Journal title
IEEE transactions on circuits and systems. 1, Fundamental theory andapplications → ACNP
ISSN journal
10577122
Volume
43
Issue
4
Year of publication
1996
Pages
340 - 343
Database
ISI
SICI code
1057-7122(1996)43:4<340:ASOPWF>2.0.ZU;2-J
Abstract
Conventional PLL's (phase-Locked loops) lack speed, because phase comp arators cannot achieve time-continuous operation. Instead, a completel y time-discrete scheme, using a special voltage-controlled oscillator and a digital controller, provides for response time of 2 cycles, but with overshoots of 100%. This paper proposes an in-between approach: i t features finite impulse responses of 3 and 4 cycles with overshoots of 50% and 33%, respectively.