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Customised, Editable Study Material / Study Notes for JEE, NEET, CBSE & FOUNDATION for Tutors, Tuition Centres, Coaching Institutes


Chap-13 – Communication Systems

wave propagation, Need for modulation, Amplitude and Frequency Modulation, Bandwidth of Signals, Bandwidth of Transmission medium, Basic Elements of a Communication System (Block Diagram only) Communication of information to each other is a basic human activity. For example, one person wishes to tell something or give a message to another person sitting near him. Then…

Chap-12 – Electronic Devices

reverse bias; diode as a rectifier; I-V characteristics of LED, photodiode, Solar cell and Zener diode; Zener diode as a voltage regulator. Junction transistor, transistor action, characteristics of a transistor; transistor as an amplifier (common emitter configuration) and oscillator. Logic gates (OR, AND, NOT, NAND and NOR). Transistor as a switch On the basis of…

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