Archive for the ‘Notes’ Category

  • Analog and Digital Communication

    Oct 30, 13 • 12373 Views • Notes • • 2 Comments

    Communication Systems employing electrical signals to convey information from one place to another over a pair of wires provided an early solution tot he problem of fast and accurate means of long distance communication. Today communication enter in our daily

  • Satellite Communication System

    Oct 29, 13 • 24481 Views • Notes • • 9 Comments

    Today’s world become a vast network for global communication. With the help of advanced earth stations & new connectivity services makes the critical transmissions to reach their intended targets efficiently and instantly. A big role is played by

  • GPRS Architecture in Mobile Communication

    Oct 29, 13 • 26689 Views • Notes • • 1 Comment

    General packet Radio Service (GPRS) is a enhancement of GPS, which is packet oriented mobile data service on the 2G and 3G cellular communication system.  It provide connection to the external packet data network through the GSM infrastructure with short

  • Network Switching Subsystem in GSM

    Oct 29, 13 • 12022 Views • Notes • • 1 Comment

    Network Switching Subsystem (NSS), handels the switching of GSM calls between external networks and the BSCs in the radio subsystem. This system is responsible for managing and providing external access to the several customer database. NSS is one of the most

  • Introduction to Flip Flops and Latches

    Oct 29, 13 • 13472 Views • Notes • • 2 Comments

    Latches and flip-flops are the basic elements for storing information. One latch or flip-flop can store one bit .There are basically four main types of latches and flip-flops: SR, D, JK, and T. The major differences in the flip flop. How can we make a circuit