منابع مشابه
Mismatch-Shaped Pseudo-Passive Two-Capacitor DAC
A simple mismatch-shaping scheme is proposed for a two-capacitor DAC. Unlike in other mismatchshaping systems, the shaped error is generated by direct ltering of a well-de ned bounded signal, which can be generated as white noise. The operation is closely related to a speci c digital interpolation lter, but arbitrary properties of the overall interpolation characteristic can be assured. Simulat...
متن کاملA Noise-Shaped Switched-Capacitor DC-DC Voltage Regulator
This paper presents a delta-sigma control loop for a buck-boost dc-dc converter with fractional gains. The charge pump used to convert the input voltage acts as a D/A converter in the loop, and its output ripple is frequency shaped by the loop, which also provides the pulsefrequency modulation needed for the conversion. A test chip realised in a 0.72-μm CMOS process and clocked at 1MHz provided...
متن کاملButton-shaped radio-frequency identification tag combining three-dimensional and inkjet printing technologies
A ‘button-shaped’ three-dimensional (3D) radio-frequency identification (RFID) tag combining 3D printing and inkjet printing technologies in fabrication for the first time is proposed. The button shape facilitates the tag’s integration with clothes for the purposes of identification and access control. The proposed tag features a compact size (radius 15 mm, height 7.5 mm) and a good performance...
متن کاملV-shaped double-row distal triceps tendon repair: a novel technique using unicortical button fixation
BACKGROUND This report was designed to present a novel technique combining suture anchor and unicortical button fixation for distal triceps tendon repair. TECHNICAL DESCRIPTION For anatomical reinsertion of an acute distal triceps tendon rupture, two suture anchors and one unicortical button forming a V-shaped configuration were used. The operative approach is described in detail. RESULTS E...
متن کامل"Buttonin," a unique button-shaped microtubule-associated protein (75 kD) that decorates spindle microtubule surface hexagonally
A 75-kD protein was purified from sea urchin egg microtubule proteins through gel filtration. It enhanced the polymerization of porcine brain tubulin, but was not heat-stable and did not bind to calmodulin in the presence of calcium as demonstrated by calmodulin affinity column chromatography. Rotary shadowing of the freeze-etched 75-kD protein adsorbed on mica revealed the protein to be a sphe...
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ژورنال
عنوان ژورنال: Kobunshi
سال: 2002
ISSN: 0454-1138,2185-9825
DOI: 10.1295/kobunshi.51.90