A review of four types of comparators

Shijie He; Yuyao Liu; Peiqi Lu

doi:10.1117/12.2640503

15 July 2022 A review of four types of comparators

Shijie He, Yuyao Liu, Peiqi Lu

Proceedings Volume 12258, International Conference on Neural Networks, Information, and Communication Engineering (NNICE 2022); 122582X (2022) https://doi.org/10.1117/12.2640503
Event: International Conference on Neural Networks, Information, and Communication Engineering (NNICE 2022), 2022, Qingdao, China

Abstract

This article has researched on the new comparator design technical, including Four kinds of improving method. 1. A new energy-efficient ring oscillator collapse-based comparator named edge-pursuit comparator changes the comparison energy and adjusts the performance automatically without control, which decrease the unnecessary energy consumption. 2. A comparator with a dynamic bias pre-amplifier and compares it with current technologies in terms of energy consumption and input referred noise voltage. 3. A new type of low-power, high speed dynamic comparator, gm-enhanced, applies the separated gate-biasing cross-coupled transistors, the comparator becomes faster and have less consumption. 4.A floating reservoir capacitor called FIA is presented, which improves gm/ID to decreases the noise and reuses the current to achieve 7 times energy-efficiency improvement than the previous technology, SA latch. The cases above are studied step by step. Moreover, the rules and formular of the cases are derived to find their character, which will benefit to applying in the different requirement.

Citation Download Citation

Shijie He, Yuyao Liu, and Peiqi Lu "A review of four types of comparators", Proc. SPIE 12258, International Conference on Neural Networks, Information, and Communication Engineering (NNICE 2022), 122582X (15 July 2022); https://doi.org/10.1117/12.2640503

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KEYWORDS

Capacitors

Solid state electronics

Transistors

Synthetic aperture radar

Energy efficiency

Amplifiers

Capacitance

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