A 28.7V Modular Supply Multiplying Pulser With 75.4% Power Reduction Relative to CV2 f

This brief presents a high voltage modular supply multiplying pulser in a 0.18-[Formula Omitted] BCD CMOS process. Two prototypes of the pulser were implemented for target loads of 55pF and 1nF, and generated up to 1MHz and 28.7V pulse from 1.2 and 5V supplies. Proposed modular based stepwise pulse...

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Veröffentlicht in:IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2021-01, Vol.68 (3), p.858
Hauptverfasser: Kyu-Jin, Choi, Hong Goo Yeo, Choi, Hongsoo, Dong-Woo, Jee
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Hong Goo Yeo
Choi, Hongsoo
Dong-Woo, Jee
description This brief presents a high voltage modular supply multiplying pulser in a 0.18-[Formula Omitted] BCD CMOS process. Two prototypes of the pulser were implemented for target loads of 55pF and 1nF, and generated up to 1MHz and 28.7V pulse from 1.2 and 5V supplies. Proposed modular based stepwise pulse generation achieved a peak power reduction of 75.4% relative to CV 2 f and a peak power efficiency of 82.3%. The proposed pulser was used for driving piezoelectric micromachined ultrasound transducer (pMUT) and achieved a relative efficiency improvement of 113.7% against conventional two-level square wave pulsing.
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subjects CMOS
Micromachining
Piezoelectricity
Power efficiency
Square waves
title A 28.7V Modular Supply Multiplying Pulser With 75.4% Power Reduction Relative to CV2 f
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