Suppose a signal travels through a transmission medium and its power is at the receiver is 53 Watt whereas the power at the sender was 86 Watt. Calculate the attenuation
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- Suppose a signal travels through a transmission medium and its power is reduced to one-half. What is the attenuation in decibel?8. Consider transmitting a digital data: 10111000101. Draw the signal representation when a. Using the Manchester method b. Using the differential Manchester method c. Using the Bipolar methodIf the analog signal travels over a transmission medium and its input voltage is 9.5 volts and output voltage is 3.5 volts then find the attenuation of a signal, also find the near end cross talk if the attenuation to cross talk ratio is 37 dB. Attn=
- What is the propagation delay on a circuit using a LEO satellite orbiting 500 miles above the earth if the speed of the signal is 186,000 miles per second? If the satellite is 22,000 miles above the earth?Fill in the blanks: The North American Analog Cellular Radio System uses FM with channels 30kHz wide. Suppose such a channel were used for digital communication. If the available signal to noise ratio is 20 dB, calculate the maximum theoretical bit rate and the corresponding baud rate using (a) a two level code and (b) a four level code. (a) and andThe propagation speed of electromagnetic signals depends on the medium explain?
- If the signal at the end of a 6km cable has a power value of 2, if you knew that this cable loses 0.5 dB per km (i.e. -0.5 dB/km), then the power of the signal at the beginning of the cable was ..............Compute the propagation delay in this case.If the bandwidth of a signal is 5 KHz and the lowest frequency is 52 KHz, what is the highest frequency?
- The measured output voltage of a cable is 7mv, for an input voltage of 15mv and the near end cross talk ratio (NEXT) of the cable is 20dB. Find attenuation and attenuation to cross talk ratio (ACR) of the cable.Q2. A signal travels from point A to point B through a link. It was found that at point B, the signal's power was 65W, whereas, at point A it was 98 W. Explain why there is a difference in the signal strength. What is the difference in the strength between these 2 points in decibels? Show your calculation and explain what does your result stateQ1 A signal travels from point A to point B. At point A, the signal power is 100 W. At point B, the power is 90 W. What is the attenuation in decibels?