What is Thyristor? - Thyristor Family and its Applications Thyristor is the general name given to a family of semiconductor devices having four layers with a control mechanism, although this term is most commonly applied…
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. The operation can be divided…
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 by virtue of its ability…
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 by the satellite. Some of…
Active and Passive Satellite: Active and Passive Satellite - Possible communication satellites may be active or passive and the major difference between the two is that whether the communication relay involves passive reflection or an…
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 not covered by conventional cable…
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 energy into free space. They…
Foster Seeley Detector - Circuit Diagram, Working and its Phasor Diagram: The circuit diagram of the Foster Seeley detector is shown in Fig. 22.54. This Foster Seeley Detector circuit consists of an inductively coupled double…
Balanced Slope Detector - Working, Advantages and Disadvantages: The circuit of a balanced slope detector is shown in Fig. 22.53 (a). This circuit employees two slope detectors connected back to back to the opposite ends…
Simple Slope Detector - Circuit diagram and its Characteristics: The circuit diagram of a simple slope detector is depicted in Fig. 22.52(a). This Slope Detector circuit consists of a tuned circuit which is slightly detuned…
