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Low power, variable supply CMOS comparator

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Parlak, Mustafa and Gürbüz, Yaşar (2004) Low power, variable supply CMOS comparator. In: IEEE 12th Signal Processing and Communications Applications Conference, Kuşadası, İzmir, Türkiye

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Official URL: http://dx.doi.org/10.1109/SIU.2004.1338278

Abstract

The design of a variable supply CMOS comparator using AMS/sup /spl reg// 0.35 /spl mu/m technology is presented. The comparator is optimized for a DC-DC converter used in low power portable communication applications. The designed comparator can operate well between 1 V and 3 V supply voltages. The circuit topology is chosen with optimized parameters such that hysteresis can easily be introduced when operating in a noisy environment. Simulation results indicate that propagation delay can be as low as 4.9 nsec and input offset voltage less than 1 mV, depending on input overdrive and supply voltages. These results indicate that the use of this comparator in high-speed communication applications is possible. Temperature stability of the comparator has also been analyzed and is shown to be satisfactory in the range of -55 /spl deg/C to 155 /spl deg/C.

Item Type:Papers in Conference Proceedings
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
ID Code:1611
Deposited By:Yaşar Gürbüz
Deposited On:22 Feb 2007 02:00
Last Modified:15 Feb 2010 23:01

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