Archive for the ‘Notes’ Category

  • Satellite Communication System

    Oct 29, 13 • 26077 Views • Notes9 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 • 27312 Views • Notes1 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 • 13262 Views • Notes1 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 • 14264 Views • Notes2 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

  • Classification of Signals as Causal, Non-Causal and Anti-Causal Signals

    Oct 26, 13 • 36015 Views • Notes7 Comments

    The concept of signal arises in a wide variety of fields of science and technology as in communication, circuit design, seismology, bio medical engineering and speech processing etc. In simple terms anything that carries some sort of information is known as a