... Publishing Corporation Design of a Low- Power VLSI Macrocell for Nonlinear Adaptive Video Noise Reduction Sergio S aponara Department of Information Engineering, University of Pisa, Via Caruso, ... University of Pisa, Italy. His main interests are in the areas of system-on-chip design, low- power systems, VLSI architectures for real-time image and signal processing, and a...
Ngày tải lên: 23/06/2014, 01:20
... to power amplifier design and includes Load Pull measurement and design techniques and a more analytic design example of a broadband, efficient amplifier operating from 130 to 180 MHz. The design example ... Q L /Q 0 and closed loop gain; the effect of coupling power out of the oscillator; the loop amplifier input and output impedances and definitions of power in the o...
Ngày tải lên: 08/04/2013, 10:50
fundamentals of rf circuit design with low noise oscillators
... h 21 is the ratio of the current flowing out of port 2 into a short circuit load to the input current into port 1. I I h b c = 21 (1.12) The proportion of base current, i b , flowing into the ... investigate this by analysis. 28 Fundamentals of RF Circuit Design 1.7 Cascode It is often useful to combine the features of the common emitter and common base modes of operation i...
Ngày tải lên: 24/08/2014, 17:20
iec 60092-352 choice & installation of cables for low voltage power systems
... technology and images copyright (c) IHS 2004 IHS Intra/Spex technology and images copyright (c) IHS 2004 IHS Intra/Spex technology and images copyright (c) IHS 2004 IHS Intra/Spex technology and images ... technology and images copyright (c) IHS 2004 IHS Intra/Spex technology and images copyright (c) IHS 2004 IHS Intra/Spex technology and images copyright (c) IHS 2004 IHS Intra/Spex technolog...
Ngày tải lên: 25/12/2013, 10:38
Báo cáo hóa học: "Research Article A Novel Approach to the Design of Oversampling Low-Delay Complex-Modulated Filter Bank Pairs" doc
... applies to low- delay FIR filter designs [9]. In the past, many attempts to design FIR lowpass filters with low group delay have been made [9–12]. In [13], a procedure for the design of FIR Nyquist ... the mean value of the group delay is restricted to integer multiples of the number of channels. For the first design step we have introduced a novel procedure for the design of...
Ngày tải lên: 21/06/2014, 19:20
Báo cáo hóa học: "Research Article Design of a Versatile and Low Cost μVolt Level A to D Conversion System for Use in Medical Instrumentation Applicatio" pdf
... variety of sensors, and has been implemented using readily available low power integrated circuit technology. An overview of the concept is shown in Figure 1. Applying this concept, the design ... purposes of calibration and monitoring of therapeutic processes, many of which employ electrical and electronic apparatus that itself generates considerable levels of interference...
Ngày tải lên: 22/06/2014, 01:20
SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures
... Overview of the Program 1 Overview of the Program SAP2000 is a stand-alone finite-element-based structural program for the analysis and design of civil structures. It offers an intuitive, yet powerful ... in the main menus by the existence of an icon to the left of the command. The lower right corner shows the current unit selection. Figure 2 shows the layout of the inter...
Ngày tải lên: 06/09/2012, 15:56
Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones
... the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost. The analysis offers valuable physical insight towards design of a ... cells in terms of design, materials, effective transport of reactants, and heat management. The development of physically representative models that allow reliable simulation of t...
Ngày tải lên: 05/09/2013, 14:58
Optimal design of PEM fuel cells to generate maximum power: A CFD study
... fuel cell designed to operate with high power. The cell power and efficiency remains constant for both case of higher and lower values of thermal conductivity. Operating at a narrow gas flow channel ... multi-component flow inside the gas flow channels and the porous media of a PEM fuel cell with straight flow channels. The full computational domain consists of cathode and ano...
Ngày tải lên: 05/09/2013, 14:58