Title :
Novel wideband 2-18 GHz clock extraction circuit for optical transmission systems
Author_Institution :
BT Labs., Ipswich, UK
Abstract :
A novel circuit technique that provides wideband clock extraction for digital regenerative repeaters is described. The scheme employs a closed loop electronically tuned YIG filter than can be locked to the fundamental or harmonics of the extracted clock.
Keywords :
dielectric resonators; garnets; microwave filters; optical communication equipment; repeaters; solid-state microwave circuits; tuning; yttrium compounds; 2 to 18 GHz; YFe5O12; YIG; clock extraction circuit; closed loop electronically tuned YIG filter; digital regenerative repeaters; optical transmission systems; wideband clock extraction;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19911439
