DocumentCode :
1829757
Title :
Predictive timing error calibration technique for RF current-steering DACs
Author :
Tang, Yongjian ; Hegt, Hans ; Van Roermund, Arthur
Author_Institution :
Mixed-signal Microelectron. Group, Eindhoven Univ. of Technolog, Eindhoven
fYear :
2008
fDate :
18-21 May 2008
Firstpage :
228
Lastpage :
231
Abstract :
Timing errors become more dominant in dynamic performance in high-resolution Radio Frequency DACs. It consumes a lot of power and area to reduce timing errors below picoseconds. To relax the requirements on circuit design and layout complexity, a predictive timing error calibration technique based on on-chip timing error measurement is demonstrated in this work. Matlab behavior level simulation shows that this on-chip calibration technique can improve the SFDR significantly in a 2GS/s DAC. Simulation results of a phase detector, the key circuit in this calibration technique, are given. The circuit is designed in a CMOS 90nm process.
Keywords :
CMOS integrated circuits; calibration; circuit simulation; digital-analogue conversion; integrated circuit layout; CMOS process; Matlab simulation; RF current-steering DAC; SFDR; circuit design; circuit layout; key circuit; phase detector; predictive timing error calibration technique; radiofrequency digital-to-analog conversion; Calibration; Circuit noise; Clocks; Communication switching; Delay effects; Jitter; Low-frequency noise; Phase detection; Radio frequency; Timing;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4244-1683-7
Electronic_ISBN :
978-1-4244-1684-4
Type :
conf
DOI :
10.1109/ISCAS.2008.4541396
Filename :
4541396
Link To Document :
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