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प्रश्न
What is the role of a bandpass filter?
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उत्तर
The bandpass filter blocks the signal which is d.c. or has frequencies ω, 2ωc and 2ωm and allows a particular band of the frequency signal to pass.
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संबंधित प्रश्न
Define modulation and transducer
Define modulation index.
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State any two types of modulation
The carrier wave of a signal is given by C(t) = 3 sin (8πt) volt. The modulating signal is a square wave as shown. Find its modulation index.
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