Blocking Oscillator - Definition, Operation and Types: The output of an active device may be coupled back to the input through a pulse transformer. If the relative windings polarities are…
Multivibrator definition and Types (Astable, Monostable and Bistable): A multivibrator is basically a two stage R-C coupled amplifier with positive feedback from the output of one amplifier to the input…
Double Differentiation - Derivation: Two R-C coupling networks in cascade separated by an ampliÂfier A is shown in Fig. 29.36 (a). The amplifier A is to operate as a linear…
Operation and Power Control of Cellular Systems: In this section, let us describe the operation of the cellular mobile system from a customer's perception without touching on the design parameters.…
Cellular Mobile Radio System - Structure and its Workings: The third communication channel, mobile radio channel, extends the capability of the public telecommunications network by introducing mobility into the network…
Digital Satellite Communication - Definition and Advantages: With the developments in digital electronics technology, access techniques and possibility of expanded communication network, digital signaling techniques have been introduced in communication…
Satellite Communication System - Definition, Block Diagram, Advantages and Disadvantages: A satellite communication channel provides broad-area coverage in a continental as well as intercontinental sense. Moreover, access to remote areas…
Radio Communication System - Block Diagram and types: Radio communication is very popular technique of communicating a message. The radio waves are electromagnetic waves produced due to escape of electrical…