a signal is a physical quantity or impulse that transmits information. This could be anything from electrical impulses in electronic devices to light waves in optical communications.
FTTx is a access network technology that uses optical fiber directly from the central point to the Home. FTTx offers triple play services voice, video and data.
Modulation and demodulation are fundamental processes in telecommunications that involve the encoding and decoding of information onto a carrier signal.
SONET Synchronous Optical Network Multiplex electrical signals (Digital) from different sources and creates optical carrier (OC). USA, CANADA and JAPAN developed T1 Standard. ANSI develop SONET. The rest of the world uses a primary rate of E1. ITU-T develop SDH. Topics What is SONET? What is Synchronous Digital Hierarchy? What is SDH? What…
Prerequisite Multiplexing Optical Fiber PCM PDH SDH Transmission Fundamental WDM Wavelength division Multiplexing (WDM) technique increase the capacity of signal carrying medium. WDM technique assign different frequency / wavelength value to every incoming signal. These signals are multiplexed on a single sharing medium. SONET/SDH use TDM technique and transmit data in the form of a…
Solar Panel Installation Basic Components of Solar System Solar Panel Solar Charge controller Inverter Battery Bank Load Calculation 03 energy saver (24 watt) 24*3 = 72 watt + 08 = 80 watt 02 Fan (100 watt) 100*2 = 200 + 20 = 220 watt Load = 220+80 = 300 watt If u want to use…
Computer Ports Computer ports or Motherboard I/O interfaces are used to connect external devices to the computer. These interfaces are mostly located on the back side of the motherboard. Number of Interfaces depends on the size of Motherboard and technology used. PS2 Din Connector PS2 6 pin din connector Green for mouse Purple for keyboard…
SDH It is a transmission method. This method is used in optical fibre transmission system called SDH system. We have already discussed the basic concepts of the transmission system. This video will give you the basic concept of SDH. SDH = Synchronous Digital Hierarchy.EU and Japan standard.A standard for telecommunication transport defined by ITU-T. Prerequisite. Following…
Microsoft Excel Now Microsoft Excel video # 7 is in front of you.Today, discuss a new formula “VLOOKUP”.This concept is very important and useful for an office worker. You can check my last video of this series from here MS…
Microsoft Excel Now Microsoft Excel practice # 1 is in front of you. Today, we will discuss some practical implementation of excel. We will do the basic calculation.I will put a practical scenario in this video. You can check my last…
Microsoft Excel Now Microsoft Excel video # 6 is in front of you.In this video, I will give you a quick review of previous topics. You can check my last video of this series from MS Excel 5
Microsoft Excel Now Microsoft Excel video # 5 is in front of you.Today, we will learn the formula for multiplication and division. You can check my last video of this series from here MS Excel Video # 4
Microsoft Excel Now Microsoft Excel video # 4 is in front of you. we will learn addition and multiplication formula in excel sheet. You can check my last video of this series from here MS Excel Video # 3
Communication System Fundamentals Communication Communication is the process of exchanging information Electronic Communication A communication which takes place in the form of electronic or electrical signals Electronic Communication System It consist of transmitter, receiver and communication channel or medium Communication…
Wire and Wireless Communication In this video, we will learn wire and wireless communication.Here we will discuss very basic concepts which will be helpful for coming videos
INTERNET OF THINGS IoT IoT is a system to interconnect different devices, machines, animal, and people.All things are able to communicate over the internet.It will bring automation in everything.In simple words, you can say it is “interconnection of things”.
Microsoft Excel Now I m presenting third video of Microsoft Excel training. Today, we will learn basic formula implementation in excel sheet.I hope u will get the right concept.You can visit my last video of this series from here MS Excel…