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Browsing MIT Open Access Articles by Title

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  • Cheng, Chih-Chi; Tsai, Yi-Min; Chen, Liang-Gee; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2010-09)
    3GPP LTE requires a 100 Mbps of peak bandwidth, and the instantaneous throughput demand changes with different applications. Fixed sub-block parallel turbo decoding scheme introduces bit-error rate (BER) performance drop ...
  • Park, Matthew (Institute of Electrical and Electronics Engineers, 2009-05)
    In this paper we demonstrate a new technique that eliminates the impact of K[subscript v] nonlinearity by preserving the integral relationship of the VCO output phase to the input signal. Leveraging the VCO output phase ...
  • Ramadass, Yogesh Kumar; Fayed, Ayman; Haroun, Baher; Chandrakasan, Anantha P. (Institute of Electrical and Electronic Engineers, 2010-02)
    A completely on-chip switched-capacitor DC-DC converter that occupies 0.16 mm2 [mm superscript 2] is implemented in a 45 nm CMOS process. The converter delivers 8 mA output current while maintaining load voltages from 0.8 ...
  • Yip, Marcus; Bohorquez, Jose L.; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2012-06)
    This paper presents a mixed-signal ECG front-end that uses aggressive voltage scaling to maximize power-efficiency and facilitate integration with low-voltage DSPs. 50/60Hz interference is canceled using mixed-signal ...
  • Finchelstein, Daniel F.; Sze, Vivienne; Sinangil, Mahmut Ersin; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers, 2009-10)
    The H.264/AVC video coding standard can deliver high compression efficiency at a cost of increased complexity and power. The increasing popularity of video capture and playback on portable devices requires that the power ...
  • Hybl, John D.; Fan, Tso Yee; Ochoa, Juan R.; Ripin, Daniel J.; Rand, Darren A.; Manni, Jeffrey G. (Institute of Electrical and Electronics Engineers, 2009-12)
    This work describes a cryogenic, electro-optically Q-switched Yb:YAG laser that generates 114-W average TEM[subscript 00] power with 47% optical-to-optical efficiency. Pulse repetition frequency is 5 kHz, pulse duration ...
  • Paidimarri, Arun; Ickes, Nathan J.; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2015-02)
    Extreme energy constraints inherent in many exciting new wireless sensing applications (such as [1-3]) virtually dictate that such systems operate with extremely low duty cycles, harvesting and storing energy over long ...
  • Kim, Byeong-Su; Liu, Yong; Dickson, Timothy O.; Bulzacchelli, John F.; Friedman, Daniel J. (Institute of Electrical and Electronics Engineers, 2009-12)
    A compact and power-efficient serial I/O targeting dense silicon carrier interconnects is reported. Based on expected channel characteristics, the proposed I/O features low-impedance transmitter termination, high-impedance ...
  • Kim, Byungsub; Dickson, Timothy O.; Liu, Yong; Bulzacchelli, John F.; Friedman, Daniel J. (Institute of Electrical and Electronics Engineers, 2009-05)
    The design of compact low-power I/O transceivers continues to be a challenge for both chip-to-chip and backplane applications. The introduction of dense fine-pitch silicon packaging technologies, that in principle are ...
  • Mercier, Patrick Philip; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2010-02)
    A transceiver for communicating over an electronic textiles medium is implemented for body area networks. A supply-rail-coupled differential signaling scheme permits time-sharing of the eTextiles medium between communication ...
  • Mercier, Patrick Philip; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers, 2010-02)
    A transceiver for communicating over an electronic textiles medium is implemented for body area networks. A supply-rail-coupled differential signaling scheme permits time-sharing of the eTextiles medium between communication ...
  • Paidimarri, Arun; Griffith, Danielle; Wang, Alice; Chandrakasan, Anantha P.; Burra, Gangadhar (Institute of Electrical and Electronics Engineers (IEEE), 2013-02)
    Integrated low-frequency oscillators can replace crystal oscillators as sleep-mode timers to reduce the size and cost of wireless sensors [1]. Since the timer is one of the few continuously functioning circuits, minimizing ...
  • Chang, Albert H.; Lee, Hae-Seung; Boning, Duane S. (Institute of Electrical and Electronics Engineers (IEEE), 2013-09)
    A 12-bit 50MS/s SAR ADC implemented in 65nm CMOS technology is presented. The design employs redundancy to relax the DAC settling requirement and to provide sufficient room for errors such that the static nonlinearity ...
  • Lee, Hae-Seung; Brooks, Lane (Institute of Electrical and Electronics Engineers, 2009-05)
    As intrinsic device gain and power supply voltages decrease with CMOS technology scaling, it is becoming increasingly challenging for designers of conventional opamp-based switched-capacitor circuits to meet gain and output ...
  • Brooks, Lane; Lee, Hae-Seung (Institute of Electrical and Electronics Engineers, 2009-12)
    Zero-crossing based switch capacitor circuits have been introduced as alternatives to op-amp based circuits for eased design considerations and improved power efficiency. This work further improves the resolution, power ...
  • Hong, Kyung-Han; Lai, Chien-Jen; Siddiqui, Aleem M.; Kartner, Franz X. (Optical Society of America, 2009-09)
    130-W average-power picosecond green laser pulses at 514.5 nm are generated from a frequency-doubled hybrid cryogenic Yb:YAG laser. A second-harmonic conversion efficiency of 54% is achieved with a 15-mm-long noncritically ...
  • Woskov, Paul P.; Kesner, Jay; Garnier, D. T.; Mauel, M. E. (Institute of Electrical and Electronics Engineers (IEEE), 2009-08)
    Summary form only given. The levitated dipole experiment (LDX) is investigating a levitated dipole magnetic configuration as an alterative confinement concept for fusion plasmas. A 1.1 MA, 68 cm mean diameter, 560 kg ...
  • Fish, Vincent L.; Doeleman, Sheperd Samuel; Beaudoin, Christopher J.; Blundell, Ray; Bolin, David E.; Bower, Geoffrey C.; Chamberlin, Richard; Freund, Robert; Friberg, Per; Gurwell, Mark A.; Honma, Mareki; Inoue, Makoto; Krichbaum, Thomas P.; Lamb, James; Marrone, Daniel P.; Moran, James M.; Oyama, Tomoaki; Plambeck, Richard; Primiani, Rurik; Rogers, Alan E. E.; Smythe, Daniel L.; SooHoo, Jason G.; Strittmatter, Peter; Tilanus, Remo P. J.; Titus, Michael A.; Weintroub, Jonathan; Wright, Melvyn; Woody, David; Young, Ken H.; Ziurys, Lucy M. (Institute of Physics/American Astronomical Society, 2011-02)
    Sagittarius A*, the ~4 × 10[superscript 6] M ☉ black hole candidate at the Galactic center, can be studied on Schwarzschild radius scales with (sub)millimeter wavelength very long baseline interferometry (VLBI). We report ...
  • Lee, Cheng-Han; Ou, Wen-Bin; Mariño-Enriquez, Adrian; Zhu, Meijun; Mayeda, Mark; Wang, Yuexiang; Guo, Xiangqian; Brunner, Alayne L.; Amant, Frédéric; French, Christopher A.; West, Robert B.; McAlpine, Jessica N.; Gilks, C. Blake; Yaffe, Michael B.; Prentice, Leah M.; McPherson, Andrew; Jones, Steven J. M.; Marra, Marco A.; Shah, Sohrab P.; Rijn, Matt van de; Huntsman, David G.; Cin, Paola Dal; Debiec-Rychter, Maria; Nucci, Marisa R.; Fletcher, Jonathan A. (National Academy of Sciences, 2012-01)
    14-3-3 proteins are ubiquitously expressed regulators of various cellular functions, including proliferation, metabolism, and differentiation, and altered 14-3-3 expression is associated with development and progression ...
  • Mohammad, Duaa H.; Yaffe, Michael B. (Elsevier, 2009-05)
    The DNA damage response depends on the concerted activity of protein serine/threonine kinases and modular phosphoserine/threonine-binding domains to relay the damage signal and recruit repair proteins. The PIKK family of ...
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