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Journal of Low Power Electronics and Applications, Volume 14, Issue 1

March 2024 - 17 articles

Cover Story: Many AI hardware accelerators comprise a systolic multiply–accumulate array (SMA) as its computational brain. We investigate the faulty output characterization of an SMA in a real silicon FPGA board. Our extensive experimental platform with a hardware–software ecosystem provides a methodological pathway that reveals fascinating characteristics of SMA behavior in an overclocked environment. While one may intuitively expect that timing errors resulting from overclocked hardware may produce a wide variation in output values, our post-silicon evaluation reveals a lack of variation in erroneous output values. We found an intriguing pattern where error output values are stable for a given input across a range of operating frequencies far exceeding the rated frequency of the FPGA. View this paper
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Articles (17)

  • Article
  • Open Access
3 Citations
3,016 Views
14 Pages

A Simplified GmC Filter Technique for Reference Spur Reduction in Phase-Locked Loop

  • P. Purushothama Chary,
  • Rizwan Shaik Peerla and
  • Ashudeb Dutta

This paper presents a wideband approach for L5 and S-band integer-N phase-locked loop (PLL) targeting Indian Regional Navigation Satellite System (IRNSS) applications. A reference spur reduction technique using a Gm−C filter is proposed. The re...

  • Communication
  • Open Access
4 Citations
4,360 Views
11 Pages

Design of Impedance Matching Network for Low-Power, Ultra-Wideband Applications

  • Sepideh Hassani,
  • Chih-Hung Chen and
  • Natalia K. Nikolova

This paper addresses the design of ultra-wideband (UWB) impedance matching networks operating in the unlicensed 3.1–10.6 GHz frequency band for low-power applications. It improves the simplified real frequency technique (SRFT) by adding a reali...

  • Article
  • Open Access
2 Citations
4,083 Views
16 Pages

In the industrial and sales processes, dosing systems of various constructions, whose operation is based on mechanical vibrations (vibratory feeders), are very often used. These systems face many problems, such as resonant frequency, flow instability...

  • Article
  • Open Access
7 Citations
3,213 Views
17 Pages

CMOS Design of Chaotic Systems Using Biquadratic OTA-C Filters

  • Eduardo Juarez-Mendoza,
  • Francisco Asahel del Angel-Diaz,
  • Alejandro Diaz-Sanchez and
  • Esteban Tlelo-Cuautle

This manuscript shows the CMOS design of Lorenz systems using operational transconductance amplifiers (OTAs). Two Lorenz systems are then synchronized in a master–slave topology and used to implement a CMOS secure communication system. The cont...

  • Article
  • Open Access
1 Citations
4,126 Views
17 Pages

A Sub-1-V Nanopower MOS-Only Voltage Reference

  • Siqi Wang,
  • Zhenghao Lu,
  • Kunpeng Xu,
  • Hongguang Dai,
  • Zhanxia Wu and
  • Xiaopeng Yu

A novel low-power MOS-only voltage reference is presented. The Enz–Krummenacher–Vittoz (EKV) model is adopted to provide a new perspective on the operating principle. The normalized charge density, introduced as a new variable, serves as...

  • Article
  • Open Access
2 Citations
3,876 Views
16 Pages

This paper is an extended version of a previously reported conference paper regarding a low-power design for NAND Flash. As the number of bits per NAND Flash die increases with cost scaling, the IO data path speed increases to minimize the page acces...

  • Article
  • Open Access
3 Citations
2,939 Views
16 Pages

While wireless sensor node (WSNs) have proliferated with the rise of the Internet of Things (IoT), uniformly sampled analog–digital converters (ADCs) have traditionally reigned paramount in the signal processing pipeline. The large volume of da...

  • Article
  • Open Access
3,101 Views
18 Pages

A Low-Power, 65 nm 24.6-to-30.1 GHz Trusted LC Voltage-Controlled Oscillator Achieving 191.7 dBc/Hz FoM at 1 MHz

  • Abdullah Kurtoglu,
  • Amir H. M. Shirazi,
  • Shahriar Mirabbasi and
  • Hossein Miri Lavasani

This work presents a novel trusted LC voltage-controlled oscillator (VCO) with an embedded compact analog Physically Unclonable Function (PUF) used for authentication. The trusted VCO is implemented in a 1P9M 65 nm standard CMOS process and consumes...

  • Article
  • Open Access
2 Citations
3,494 Views
23 Pages

PANDA: Processing in Magnetic Random-Access Memory-Accelerated de Bruijn Graph-Based DNA Assembly

  • Shaahin Angizi,
  • Naima Ahmed Fahmi,
  • Deniz Najafi,
  • Wei Zhang and
  • Deliang Fan

In this work, we present an efficient Processing in MRAM-Accelerated De Bruijn Graph-based DNA Assembly platform, named PANDA, based on an optimized and hardware-friendly genome assembly algorithm. PANDA is able to assemble large-scale DNA sequence d...

  • Article
  • Open Access
2 Citations
3,276 Views
17 Pages

LC Tank Oscillator Based on New Negative Resistor in FDSOI Technology

  • Yuqing Mao,
  • Yoann Charlon,
  • Yves Leduc and
  • Gilles Jacquemod

Although Moore’s Law reaches its limits, it has never applied to analog and RF circuits. For example, due to the short channel effect (SCE), drain-induced barrier lowering (DIBL), and sub-threshold slope (SS)…, longer transistors are req...

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J. Low Power Electron. Appl. - ISSN 2079-9268