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- W4377158123 abstract "In pixelized detectors, reducing power consumption in the front end ASIC chips becomes a crucial demand. Optimization based on mature pre-amplifier schemes today is unlikely to bring sufficient improvements. A new CMOS front-end gain stage topology with very low power consumption called regenerative current mirror is developed to fulfill the demand. The circuit takes advantage of high speed performance of current amplification while operating with relatively low bias current. The regenerative current mirror uses a NMOS current mirror and a PMOS current mirror, both with nominal gain of 1, to form a loop-back topology that provides a positive feedback. An NMOS FET with an external adjustable voltage applied to it gate terminal is used to limit open loop gain of the current mirrors to be slightly lower than 1. This yields a net gain of the positive feedback loop to be much larger than 1 while operating the current mirrors under relatively low bias currents. Simulation shows that in 65 nm fabrication process, the power consumption of the gain stages suitable for silicon pixel detectors can be controlled < 10 micro-Watts per channel." @default.
- W4377158123 created "2023-05-21" @default.
- W4377158123 creator A5074058628 @default.
- W4377158123 date "2023-05-17" @default.
- W4377158123 modified "2023-09-29" @default.
- W4377158123 title "The Regenerative Current Mirror: A Very Low Power Front-End Amplifier for Silicon Pixel Detectors" @default.
- W4377158123 doi "https://doi.org/10.48550/arxiv.2305.10208" @default.
- W4377158123 hasPublicationYear "2023" @default.
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