Volume 20 No 20 (2022)
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A NOVEL LOW-POWER HIGH-SPEED CMOS COMPARATOR FOR PRECISE APPLICATIONS
M. MOUNIKA, M. APPARAO
Abstract
The process of converting analogue signals to digital signals widely uses comparators. Comparators are the fundamental components of many types of ADC (Analog to Digital Converters). In order to improve their performance, many structures have been presented. Performance of a comparator is strongly affected by powers, delayed, offsets, and noises. A novel Low-Power High-Speed CMOS (Complementary Metal Oxide Semiconductor) Comparator for Precise Applications is presented in this analysis. The decision stage and hold stage are the two stages that make up this dynamic comparator for Complementary Metal Oxide Semiconductors (CMOS). Three different phases are used to operate the comparator. Which maintains the results of an evaluation for a defined time interval, reset is the initial phase, decision or evaluation is the second phase and hold is the third. Energy efficiency can be increased while overall power usage is decreased. The length of time that the presented comparator is in a low state is important. The 16.1 version of 18nm technology will be used to build this comparator’s design, which will result in a significant improvement in power and delay. According to the results, the provided comparator performs better than the NMOS (Nchannel Metal Oxide Semiconductor) and PMOS (P-channel Metal Oxide Semiconductor) comparators in terms of power dissipation and time delay
Keywords
Comparator, Analog to Digital Converters, Complementary Metal Oxide Semiconductor
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