Q5) Bandwidth: An LED circuit has an optical 3 dB bandwidth of 551.33 MHz. Calculate the modulation frequency at which the LED optical power output is reduced to 30% of its low-frequency value. Express your answer in units of GHz.
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Q: Question A2 Blue light of vacuum wavelength 450 nm is travelling in a non-magnetic dielectric glass…
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Q: Q2) Determine the peak frequency deviation and the modulation index for an FM modulator with a…
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Q: 3. The dimension of a rectangular metallic waveguide is 1.5 cm by 0.75 cm. Please write down the…
A: Given that, The dimension of a rectangular metallic waveguide is 1.5 cm by 0.75 cm. So, a=1.5…
Q: Explain optical communication through a block diagram. For long distance communication whether (i)…
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Q: Problem 5: The wavelength range of visible light is usually taken to be from 400 to 700 nm,…
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Q: (SNR = 6 dB)
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Q: Question 22 At the headend the transmit LASER reads 6 dBm, what is this value in mW? .078 mW 15.85…
A: We know, Power(in dBm)=10logPower(in mW)1 mW
Q: QUESTION.2. A dielectric-filled (ɛ, = 9, Hr = 1), X-band WR90 (8.20 – 12.40 GHz) rectangular…
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Q: Experiment 5: Human energy efficiency 2 a) A typical 2 oz chocolate chip cookie contains 260 food…
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Q: An optical fibre communication link 5 km long is to be constructed with an analogue modulation…
A: GivenAn optical fibre communication link 5 km long is to be constructed with an analogue modulation…
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Q: A film suspended in air has a spectrally-averaged transmittance of 0.886 in a non- absorbing region.…
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Q: i) The measure of how fast data can be transmitted in a given bandwidth is referred to as____ .…
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Q: 28 wConsider a noiseless channel with a bandwidth of 7 kHz transmitting a signal with four signal…
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Q: 1. To eliminate reflections of normally incident plane waves, a dielectric slab of thickness d and…
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Q: A satellite transponder has a gain of 45 dB. The receiving and transmitting antenna has a gain of 20…
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Q: A movie was shot in 150 fps. The movie lasted for 30mins. The movie was played in a vertical and…
A: To explain the correct answer is given below.
Q: Q2: the modulating signal was transmitted with amplitude of A volts and modulating frequency of 1400…
A: In the given question, first of all, we just list down the given terms here in tabular format ,…
Q: Advantages of optical fibre communications over two wire transmission line or co-axial cable…
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Q: Q2/If the beamwidth at which a particular antenna operates is 21.39, since the lowest frequency…
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Q: A carrier signal given by (cos2Tt105t) volt is AM modulation by the message signal given by…
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