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Chips, Volume 3, Issue 1

2024 March - 3 articles

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Article

1 Citations

3,002 Views

20 Pages

High-Efficiency Reconfigurable CMOS RF-to-DC Converter System for Ultra-Low-Power Wireless Sensor Nodes with Efficient MPPT Circuitry

Roberto La Rosa,
Danilo Demarchi,
Sandro Carrara and
Catherine Dehollain

Chips2024, 3(1), 49-68;https://doi.org/10.3390/chips3010003

12 March 2024

This paper presents a novel CMOS RF-to-DC converter for ultra-low-power wireless sensor nodes powered by RF wireless power transfer. The proposed converter achieves 10% higher power conversion efficiency than a conventional rectifier, with only a 1%...

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Article

3 Citations

2,469 Views

17 Pages

Real-Time Compact Digital Processing Chain for the Detection and Sorting of Neural Spikes from Implanted Microelectrode Arrays

Andrea Vittimberga,
Riccardo Corelli and
Giuseppe Scotti

Chips2024, 3(1), 32-48;https://doi.org/10.3390/chips3010002

8 February 2024

Implantable microelectrodes arrays are used to record electrical signals from surrounding neurons and have led to incredible improvements in modern neuroscience research. Digital signals resulting from conditioning and the analog-to-digital conversio...

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Article

2,612 Views

31 Pages

A 0.5-V Four-Stage Amplifier Using Cross-Feedforward Positive Feedback Frequency Compensation

Feifan Gao and
Pak Kwong Chan

Chips2024, 3(1), 1-31;https://doi.org/10.3390/chips3010001

30 December 2023

This paper presents a low-voltage CMOS four-stage amplifier operating in the subthreshold region. The first design technique includes the cross-feedforward positive feedback frequency compensation (CFPFC) for obtaining better bandwidth efficiency in...

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Chips - ISSN 2674-0729

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