Q. Sharpness of cutoff in Butterworth filter __________ with increasing order.

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Q. Which of the following filter is used where the phase is of higher priority?

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Q. Biquad network is a ___________ network.

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Q. Biquad network can be used as _________________

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Q. AM signals are the _____________ of data signal and carrier signal.

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Q. Which of the following can produce an AM signal?

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Q. Balanced and double balanced modulators produce ________________

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Q. FM generators for communication has frequency ______________

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Q. Power level of FM signal in space telemetry and entertainment system are equal.

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Q. Indirect FM generators uses ____________

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Q. Amstrong modulator is _________________

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Q. Modulation index is the product of Δfc and fₘ.

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Q. Modulation index for music broadcasting ___________ with increasing frequency.

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Q. Tank circuit contains _____________

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Q. Demodulation is the process of _____________

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Q. Discriminators are also known as _____________

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Q. Which of the following act as a slope detector?

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Q. Which of the following circuit limit amplitude in FM signal?

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Q. Single tuned circuit is used for _______________

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Q. Foster-seely detector is ___________

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