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The use of virtualization technology has been increasing in the IT industry to consolidate servers and reduce power consumption significantly. As a virtualization platform, a large-scale blade server is suitable because it can hold a dozen blades in a chassis with well managed configuration, enabling easy provisioning. To realize an energy-efficient blade server, the network component must deliver...
A 64 Mb spin-transfer-torque MRAM in 65 nm CMOS is developed. A 47 mm2 die uses a 0.3584 ??m2 cell with a perpendicular-TMR device. To achieve read-disturb immunity for the reference cell, a clamped-reference scheme is adopted. An adequate-reference scheme is implemented to suppress read-margin degradation due to the resistance variation of reference cells.
This paper presents a new method for power decoupling control of single phase AC/DC converters using three switch poles to achieve unity power factor operation at AC side and power decoupling function at DC side. The method proposed compensate the pulsating power at twice the grid frequency by absorbing low frequency ripple current to a DC decoupling capacitor through the third switch pole operation...
The performance of two types of trailing shield perpendicular writers with either double coil or single coil are investigated. It has been found that signal-to-noise ratio (SNR) performance of different designs strongly depends on the tradeoff of field gradient and writability. Reverse DC noise analysis is used to understand the recording properties of head and media quantitatively. To realize the...
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