Pregled bibliografske jedinice broj: 576061
A Method for the Schmitt Trigger Propagation Delay Compensation in Asynchronous Sigma-Delta Modulator
A Method for the Schmitt Trigger Propagation Delay Compensation in Asynchronous Sigma-Delta Modulator // IEEE transactions on circuits and systems. II, Express briefs, 59 (2012), 7; 404-408 doi:10.1109/TCSII.2012.2198981 (međunarodna recenzija, članak, znanstveni)
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Naslov
A Method for the Schmitt Trigger Propagation Delay Compensation in Asynchronous Sigma-Delta Modulator
Autori
Matić, Tomislav ; Švedek, Tomislav ; Herceg, Marijan
Izvornik
IEEE transactions on circuits and systems. II, Express briefs (1549-7747) 59
(2012), 7;
404-408
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
Asynchronous Sigma-Delta Modulator; Schmitt trigger; hysteresis voltage; propagation delay
Sažetak
This paper provides the mathematical analysis of the Schmitt trigger propagation delay influence on the Asynchronous Sigma-Delta Modulator (ASDM) output signal frequency spectrum. Beside the propagation delay, the Schmitt trigger slew rate impact has also been presented. Based on the mathematical analysis, a method for the Schmitt trigger propagation delay compensation has been proposed. The method is implemented by introducing hysteresis level amplitude modulation. The first-order ASDM simulation and measurement models have been proposed for the propagation delay influence to the ASDM output signal frequency and for the compensation method verification. The measurement and simulation results for the proposed method confirm the ASDM output frequency spectrum improvement.
Izvorni jezik
Engleski
Znanstvena područja
Elektrotehnika, Računarstvo
POVEZANOST RADA
Projekti:
165-0361630-3049 - Napredni sustavi radijskog pristupa zatvorenom prostoru i interakcija s okolišem (Švedek, Tomislav, MZO ) ( CroRIS)
165-0362027-1479 - Širokopojasni pristup i internetske usluge u ruralnim područjima (Žagar, Drago, MZO ) ( CroRIS)
165-0362980-2002 - Postupci raspoređivanja u samoodrživim raspodijeljenim računalnim sustavima (Martinović, Goran, MZO ) ( CroRIS)
Ustanove:
Fakultet elektrotehnike, računarstva i informacijskih tehnologija Osijek
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus