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http://hdl.handle.net/10773/5208
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Martins, N. | pt |
dc.contributor.author | Barbosa, L. | pt |
dc.contributor.author | Alves, L. N. | pt |
dc.contributor.author | Aguiar, R.L. | pt |
dc.date.accessioned | 2012-01-18T11:33:53Z | - |
dc.date.issued | 2005 | - |
dc.identifier.isbn | 978-9972-61-100-1 | - |
dc.identifier.uri | http://hdl.handle.net/10773/5208 | - |
dc.description.abstract | Delayed-feedback amplifiers are composed of, a forward gain amplifier, a feedback network and a time-delay element. Recently published results [1] claim the possibility of bandwidth enhancement for this type of systems, simply by a judicious choice of loop-gain, open loop poles and the net time-delay. This paper describes the design steps for a shunt-shunt feedback amplifier with an active delay on the feedback loop. The designed circuit was optimized for Free-Space Optical (FSO) line-of-sight receivers. Achieved results show that the inclusion of the active delay, improve bandwidth in a maximum of 60%. A maximum of 1.5THzΩ. GBW (11kΩ. transimpedance gain) was achieved with a photodiode having intrinsic capacitance of 100pF. | pt |
dc.language.iso | eng | pt |
dc.publisher | Institute of Electrical and Electronics Engineers (IEEE) | pt |
dc.relation.uri | http://www.scopus.com/inward/record.url?eid=2-s2.0-56749171325&partnerID=40&md5=d67abe1bbb9eef2e5814af28b16dcc90 | - |
dc.rights | restrictedAccess | por |
dc.subject | Active delays | pt |
dc.subject | Bandwidth enhancements | pt |
dc.subject | Delayed feedbacks | pt |
dc.subject | Design steps | pt |
dc.subject | Designed circuits | pt |
dc.subject | Feedback loops | pt |
dc.subject | Feedback networks | pt |
dc.subject | Gain amplifiers | pt |
dc.subject | Intrinsic capacitances | pt |
dc.subject | openAccess | pt |
dc.subject | Optical lans | pt |
dc.subject | Optical | pt |
dc.subject | Time- delays | pt |
dc.subject | Transimpedance amplifiers | pt |
dc.subject | Transimpedance gains | pt |
dc.subject | Curve fitting | pt |
dc.subject | Delay circuits | pt |
dc.subject | Differential amplifiers | pt |
dc.subject | Feedback | pt |
dc.subject | Feedback amplifiers | pt |
dc.subject | Networks (circuits) | pt |
dc.subject | Telecommunication systems | pt |
dc.subject | Time delay | pt |
dc.subject | Bandwidth | pt |
dc.title | Bandwidth boosting in transimpedance amplifiers for optical LANs, using delayed feedback | pt |
dc.type | conferenceObject | pt |
dc.peerreviewed | yes | pt |
ua.publicationstatus | published | pt |
ua.event.date | 11-14 dezembro, 2005 | pt |
ua.event.type | conference | pt |
degois.publication.title | Proceedings of the IEEE International Conference on Electronics, Circuits, and Systems | - |
dc.date.embargo | 10000-01-01 | - |
dc.identifier.doi | 10.1109/ICECS.2005.4633598 | * |
Appears in Collections: | DETI - Comunicações |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Icecs05_final.pdf | Documento final | 272.11 kB | Adobe PDF |
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