A Telecommunication channel in form of a copper cable has 4 kHz bandwidth. Calculate the amount of data rate that can be transmitted through this channel if binary signaling is used with raised-cosine pulses and 0.5 roll-off factor.
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- distortion is specified not to exceed 1.5% of the peak-to-peak analog signal. ransmitted over M level PCM system, where number of pulse level M=64. The quantization Q17/ The information in an analog waveform, with maximum frequency fm=1 KHz, is to be (a)What is the minimum number of bits/sample, or bits/PCM word that should be used in this PCM system. AWhat is the minimum required sampling rate, and what is the resulting bit transmission rate. (e) What is the PCM pulse or symbol transmission rate?Data communication Suppose that the spectrum of a channel is between 8 MHz and 10 MHz, and the intended capacity is 8 Mbps. a. What should be the signal-to-noise ratio (SNR) to obtain this capacity? Constant values= c=3x^10°m/s, k=1,38x^10231/K IA fiber optic cable has a loss of 16 dB per kilometer. What would be its attenuation if the cable is 2,000 feet long?
- Attenuation in fiber systems is a comparison, or ratio, of input and output power levels for optical cable, connectors, couplings patch panels, etc., typically expressed in Decibels with the equation; dB = 10log(Pout/Pin). Calculate the attenuation in dB of the following: 9. Pout= .01mw, Pin =1mw; 10. Pout= .5 mw, Pin = 1mw; 11. Pout = .1mw, Pin = 2mw; 12. Pout = .5 mw, Pin = .2mw; dB= ? dB= ? dB= ? dB= ?Given a home wireless IEEE 802.11AC Wi-Fi channel with a bandwidth of 80 MHz, a) Apply the real time streaming transmission of a video that samples at 40 frames/second and each frame has a resolution of 800x600 pixels. Each pixel has its colour presented in 16 bits. Calculate the required transmission rate. b) If the Wi-Fi Channel is very noisy with an acceptable Signal-to-Noise Ratio of 10dB, does the video streaming in part (a) still possible without any distortion? (provide workings)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 and
- An automated water tank system consists of Flash ADC, DAC, sensor and motor where sensor gives voltage value as output. If the water level of the tank goes below 15%, it produces the voltage of 5.10V. That voltage is then put through a 4-bit Flash ADC as input (where reference voltage is 16V and R=5kΩ). After that the output of that ADC applied to a Binary Weighted DAC (where the “logic 1” as 5 V, “logic 0” as 0 V and R = 3.5kΩ) to produce sufficient voltage to turn ON the water supply motor. i. Draw the block diagram of the whole system ii. Design the complete circuit diagram (combined) of the system consisting ADC and DAC. iii. Find the required voltage to turn ON the motor.For SNR of 12.33 dB and signal power .4 of 22.23 mW, the value of noise power :is 1.3 mW O 0.3 W O 0.016 mW O 0.075 mW OA digital radio communication system receives a signal with signal power Sof 3 µW, and noise level of 200 nW, on a radio channel with upper cut-offfrequency of 2.42 GHz, and a lower cut-of frequency of 2.40GHz. . What is the signal to noise ratio in decibel?
- Counter Its auvel The Nyquist theorem for noiseless channel states that the capacity in bits per second of a channel is equal to the bandwidth multiplied by the logarithm (to the base 2) of the sum of the signal to noise power and 1. In mathematical statement: C= Bx log2(SNR 1)* True FalseIf 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 ..............Single tone signal frequency 3300hz a PCM is generated with a sampling rate of 8000 sample/sec. The required output signal to quantizing noise ratio is 30db What is the minimum number of uniform quantizing levels need and number of bit Calculate min. system bandwidth. Select one: a. 26,5, 30khz b. 1000,9, 40khz C. 26,5.20khz d. 1000,10, 40khz e. 128,7, 35khz