..-htracf —A high-speed CMOS comparator has been designed and fabricated using a standard 3pm process. A dynamic latch preceded by an offset-cancelled amplifier is used to obtain a response time of 43 ns. The offset-cancelled amplifier reduces the input-referred offset so that medium-resolution analog-to-digital converters (ADC’S) can be built with this comparator. The use of pipefining within ...

Abstract Large-scale distributed training mainly consists of sub-model parallel and parameter synchronization. With the expansion workers, efficiency synchronization will be affected. To tackle this problem, we first propose 2D-TGA, a g rouping A llReduce method based on two-dimensional t orus topology. This synchronizes model parameters by grouping makes full use bandwidth. Secondly, algorithm...

Hwang, Huan-Sheng A Two Dimensional Quasi-Optical Microwave Power Combining System Based On A Dielectric Slab Under the direction of Michael B. Steer A quasi-optical (QO) power combining system based on a two dimensional hybrid dielectric slab beammode waveguide (HDSBW) with solid-state devices is demonstrated. This 2D QO system can serve as a planar resonator or a planar amplifier system, in w...

Distributed mutual exclusion is a fundamental problem of distributed systems that coordinates the access to critical shared resources. It concerns with how the various distributed processes access to the shared resources in a mutually exclusive manner. This paper presents fully distributed improved token based mutual exclusion algorithm for distributed system. In this algorithm, a process which...

In a digital class D power amplifier, the distortion is introduced into the input signal being amplified in power stage, due to the effect of power supply noise. A method used to eliminate the distortion is presented in the paper. This method is adding correction factors to all integrators of Delta-Sigma modulator, and introducing power supply noise to the input of the class D power amplifier a...

Previously reported quasi-optical amplifier arrays have limited bandwidth and suffer from poor input/output isolation. These prsbllems can be solved by using traveling wave antennas and distributed amplifier techniques. FII'TD simulations of a linearly tapered slot array topology demonstrate very broadband quasioptical transitions are feasible with small unitcell aperture. Experiments using a s...