Electronics Engineering

What is saturation voltage of BJT?
What is slew rate?
Mention the frequency ranges of FM and AM.
What are the important characteristics of Op-AMP?
Explain the working principle of Railway signal system?
What is core-diameter of optical fibre? Mention different types of optical fibre.
How two signals can be added? Represent it by circuit diagram.
What is 3G? Mention important features of 3G.
How GSM band is allocated to service providers?
Explain the biasing principle of npn transistor.

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