Dense wavelength division multiplexing (DWDM) is a technology that puts data from different sources together on an optical fiber, with each signal carried at the same time on its own separate light wavelength. Using DWDM, up to 80 (and theoretically more) separate wavelengths or channels of data can be multiplexed into a light stream transmitted on a single optical fiber. Each channel carries a time division multiplexed (TDM) signal. In a system with each channel carrying 2.5 Gbps (billion bits per
It is also called as data selector. In another word multiplexer has multiple input and single output. Mainly, Multiplexer used increase amount of data to be transfer within certain amount of time and bandwidth. Also can be used to implement Boolean functions of multiple variables.The schematic symbol for a multiplexer is an isosceles trapezoid with the longer parallel side containing the input pins and the short parallel side containing
converter supports the target language you seek. A multiplexer is a form of transmission in which allows multiple signals to travel simultaneously over one medium. The signals are carried into smaller channels called subchannels. There are many types of multiplexing, for example, time division multiplexing, statistical multiplexing, and etc. The types that are used depends on what the media, transmission, and reception devices can handle. A multiplexer transmits at the end of a channel and demultiplexers
Case Study: Design and performance of a 46m High MSE Wall Location and Purpose for Retaining wall measurement The Seattle – Tacoma International Airport (STIA) is located in SeaTac, Washington. This airport required an expansion because of the limitations to the distances between the existing runways due to the inclement weather conditions. So a third runway was constructed to the west of the two existing runways. The third runway embankment construction included the three MSE wall. The following
2. Literature review An early vending machine is invented by Hero of Alexandria, a first-century engineer and mathematician [1]. In 1876, Simeon Denham built a vending machine dispensing stamps called “the first fully automatic vending machine”. A modern coin-operated vending machine was first introduced in London in 1883 by Percival Everitt. After that, vending machines have become well-known and been widely used in England. The following is details about background knowledge related to the design
filters, integrators, differentiators and in other applications. DIGITAL ICs: : Digital Ics are a complete network in itself and so require only a power supply, input and output..They are used to form complex circuits such as counters, gates, multiplexers etc. digital circuits work only at two levels HIGH and LOW, in binary system we call it 0 and1( 0 for LOW and 1 for HIGH).They can be easily designed and are produced in lagre quantities. 6. FABRICATION TECHNIQUE 7. DEVICE IDENTIFICATION
modulator is either fully ‘on’ or ‘off’ when optical pulses passes through it Before the multiplexing operation is performed the incoming bit streams are temporally offset from one another by delay for four channels i.e. 25ps, 30ps, 35ps, 40ps. 4*1 multiplexer is used in this paper. And it assembles the higher bit stream from the baseband signal. It also reduces crosstalk. 1.2
German courts The following is a case investigation of lawsuits between Apple Inc. and Samsung Electronics regarding the design of smartphones and tablet computers between them according to German courts. In July 2011, Apple sued Samsung for patent infringement, namely through items including the Samsung Galaxy Tab 10.1. Apple claims that Samsung infringed its patents in the Galaxy line of smartphones and tablets, arguing that Samsung copied the design and esthetics of Apple's ios range of devices
ECE7660 Reading Assignment 2 Analysis and Critique of Reading Assignment 2 Paper “Alternative Implementations of Two-Level Adaptive Branch Prediction” -Pavan Bhujannavar In this paper we authors have proposed a new dynamic branch predictor (Two-Level Adaptive Branch Prediction) by which substantially higher accuracy is obtained when compared to any other schemes.Using a high level language, application is written as a program and executed sequentially. Sequential model execution of the program makes
Photonic Band Gap Materials:  A little history behind Photonic Band Gap materials (PBG)? In 1987, an American physicist and engineer named Eli Yablonovitch and Canadian physics professor from the University of Toronto Canada, Sajeev John constructed artificial structures that then became the concept of PBG material. In order to evaluate this concept they created a 3D prototype diamond lattice in Plexiglas, which is a type of acrylic glass material. With this creation they were able
Abstract— The electrocardiogram (ECG) is widely used for the detection of cardiac diseases. Normally, the recorded ECG signal is often contaminated by noise. In order to extract the useful information from the noisy ECG signal, the raw ECG signal has to be proceed. The detection of QRS complexes in an ECG signal provides information about the heart rate, the conduction velocity, the condition of tissues within the heart as well as various abnormalities. An algorithm based on wavelet transforms (WT)has
3.2 Dadda Tree Multiplier Dadda proposed an algorithm with predetermined sequence of matrix (stage) heights for NxN multipliers to have reduced number of reduction stages. It is developed by working back from two row stage. The height of each intermediate stage is limited to floor value of 1.5 times the height of the successor stage [9]. i.e., Height of stage i = (3/2) * Height of stage i+1. Then sequence of stage heights are 2,3,4,6,9,13... Figure 5: 8x8 Dadda Tree Multiplier The 8x8 Dadda