Explain comunication technology

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Reference no: EM13140853

Comunication technology

a. When a square wave with a fundamental frequency of 2khz and amplitude 5v and comprised of up to five odd harmonic (each successive odd harmonic having half the amplitude of its predecessor) is passed though a standard telephone line of bandwidth of 4kHz it was found to be severely degraded. Explain why this happens and draw what may appear on a spectrum analyser and oscilloscope at the input and output of this system assuming there is no attenuation.

b. A single pole low pass RC filter has component values 100 ohms and 0.1 uf. If a signal Vi = 5 Sin 6283 (t) is applied, calculate:
1) The peak output voltage
2) The phase angle
3) The propagation delay time.

Reference no: EM13140853

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