Semiconductor Devices and Communication Systems

This topic covers concepts, such as, Conduction Band and Valence Band in Semiconductors, Energy Levels and Energy Bands in Solids, Conduction Band and Valence Band in Monovalent Metal & Conduction Band and Valence Band in Bivalent Metal etc.

This topic covers concepts, such as, Intrinsic Semiconductor, Electrical Conductivity of Intrinsic Semiconductor, Energy Bands Diagram of N-type Semiconductor & Energy Bands Diagram of P-type Semiconductor etc.

This topic covers concepts, such as, p-n Junction, Potential Barrier at the Junction Diode, Threshold Voltage & Reverse Saturation Current etc.

This topic covers concepts, such as, Rectifier, p-n Junction Diode as a Rectifier, p-n Junction Diode as Full Wave Rectifier & Average and RMS Value for Full Wave Rectifier etc.

This topic covers concepts, such as, Zener Diode, Avalanche Diode, Zener Diode as Voltage Stabiliser, V-I Characteristics of a Zener Diode & Field Ionisation etc.

This topic covers concepts, such as, Photo Diode, Light-Emitting Diode, Applications of Multimeter & Multimeter etc.

This topic covers concepts, such as, Junction Transistor, Size of Base, Relation between Current Amplification Factors in CE and CB configurations of Transistor & Current Transfer Characteristics in Common Emitter Configuration Transistor etc.

This topic covers concepts, such as, Feedback Amplifier and Transistor Oscillator, Tank Circuit in Oscillator, Berkhausen Criterion for Sustained Oscillations & Electronic Oscillator etc.

This topic covers concepts, such as, Types of Signals, Analogue Signals, Circuits with Logic Gates & Integrated Circuits etc.

This topic covers concepts, such as, Boolean Algebra, De Morgan's Theorem & Proof of De Morgan's Theorem Using Truth Tables etc.

This topic covers concepts, such as, Communication Systems, Point to Point Mode of Communication, Range in Communication System & Repeater in Communication System etc.

This topic covers concepts, such as, Bandwidth of Signals etc.

This topic covers concepts, such as, Necessity of Modulation, Modulation, Advantages of Amplitude Modulation & Frequency Modulation etc.

This topic covers concepts, such as, Production and Detection of Amplitude Modulated Wave & Amplitude Modulation Index of Amplitude Modulation of EM Waves etc.

This topic covers concepts, such as, Sky Wave Propagation, Space Wave Propagation, LOS Communication, Range of Signal in Space Wave Propagation, Skip Distance (Zone) for Sky Wave Propagation & Critical Frequency in Sky Wave Propagation etc.