The advancement in the integrated circuit design has developed the demand for low voltage portable analog devices in the market. This demand has increased the requirement of the low-power RF transceiver. A low-power phase lock loop (PLL) is always desirable to fulfill the need for a low power RF transceiver. This paper deals with the designing of the low power transconductance- capacitance (Gm-...

The paper reports on some experiments with implementing positional digital image filters using field programmable devices. It demonstrates that a single field programmable device may be used to build such a filter. By using extensive pipelining in the design, the filter can achieve performance of 50 million pixels per second (using Xilinx XC4000E devices) and almost 90 MHz (in case of Virtex-2 ...

This paper describes the reconfigurable implementation of a digital filter in an FPGA device. The filter implemented is a Laplacian filter which is used in DSP and image processing applications. For an efficient FPGA implementation of the filter, distributed arithmetic techniques were used. For a run-time reconfigurable implementation, the JBits SDK was used, which allows partial reconfiguratio...

The power quality issues are of great concern now a days. The increasing use of power electronic devices based nonlinear loads deteriorate the quality of power. Power electronic appliances are widely used in industrial, commercial and utility system thus leading to various power quality problems. This leads to harmonics being injected into the distribution system and also reactive power burden....

We have been developing the optical components for a source-routed wavelength division multiplexed (WDM) computer interconnect fabric that uses multi-mode fiber ribbon cable as the transmission medium. We are developing wavelength selectable VCSEL transmitters, interference filters, and a compact broadcast element. Here we report on key results from our interference filter development activitie...

Filter is very essential component in wireless communication system. Since need of compact devices is increasing day by day, Filter plays very important role in developments of such devices. In this paper, multiband micro strip stepped impedance resonator band pass filters operating in range of 1 to 10 GHz are designed. A series capacitively coupled series micro strip line resonator is modified...

We report herein the usefulness of a manual external carotid artery manipulation for failed advancement of devices through the stent in carotid artery stent (CAS) placement with open cell type stent and filter type distal protection device. In all, 22 consecutive patients underwent CAS with filter type protection device between April 2008 and December 2009 in our institution, and failed advance...