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EnglishIn this work we present a full analog turbo decoder for hard-disk EPR-IV read channels in CMOS technology. The design is based on a current-mode approach developed by Loeliger et al. [2001], for the analog implementation of sum-product algorithms. The circuit's main attractions are the coding gain offered by turbo codes over the uncoded EPR-IV channel, and the relative simplicity and power efficiency of the analog approach over the digital approach. The circuit is developed in a 0.18 μm CMOS technology and operates at a 1.8 V power supply, with a total simulated power consumption (including peripheral circuitry) of about 650 mW at 400 Mb/s.
An all-analog CMOS implementation of a turbo decoder forhard-disk drive read channels / XOTTA A.; VOGRIG D.; GEROSA A.; NEVIANI A.; GRAELL I AMAT A.; MONTORSI G.; BRUCCOLERI M.; BETTI G.. - 5(2002), pp. 69-72. ((Intervento presentato al convegno Circuits and Systems 2002. ISCAS 2002. IEEE International Symposium.
| Titolo: | An all-analog CMOS implementation of a turbo decoder forhard-disk drive read channels | |
| Autori: | ||
| Data di pubblicazione: | 2002 | |
| Abstract: | In this work we present a full analog turbo decoder for hard-disk EPR-IV read channels in CMOS te...chnology. The design is based on a current-mode approach developed by Loeliger et al. [2001], for the analog implementation of sum-product algorithms. The circuit's main attractions are the coding gain offered by turbo codes over the uncoded EPR-IV channel, and the relative simplicity and power efficiency of the analog approach over the digital approach. The circuit is developed in a 0.18 μm CMOS technology and operates at a 1.8 V power supply, with a total simulated power consumption (including peripheral circuitry) of about 650 mW at 400 Mb/s. | |
| ISBN: | 0780374487 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| 01010642.pdf | 2. Post-print / Author's Accepted Manuscript | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
http://hdl.handle.net/11583/1414277
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