Q2. Number of information signals are multiplexed with 20KHZ sampling frequency, and f(t) max = If (t)Imin = 6 v. and entered to pulse modulator: %3D i. If PDM used and part of PDM-TDM spectrum is shown below with maximum and minimum guard bands are 10us, 4.5 us, respectively Find KPDM: If the modulator is PAM Sketch the 3rd time frame where; K PAM = 1, (assume t = Tg). If the modulator is PPM, how can generate the PPM signals from PDM spectrum, with pulse width is 2us. ii. 111.

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Q2. Number of information signals are multiplexed with 20KHZ sampling frequency, and
f(t) max = If (t)lmin = 6 v. and entered to pulse modulator:
If PDM used and part of PDM-TDM spectrum is shown below with maximum and
minimum guard bands are 10us, 4.5 us, respectively Find KPDM:
If the modulator is PAM Sketch the 3rd time frame where; KPAM = 1, (assume t =
Tg).
If the modulator is PPM, how can generate the PPM signals from PDM spectrum,
with pulse width is 2us.
i.
ii.
iii.
TDM-PDM
maximum guard
band
minimum guard
band
...
...
Time
150
200
(microsecond)
100
128
142.76
Transcribed Image Text:Q2. Number of information signals are multiplexed with 20KHZ sampling frequency, and f(t) max = If (t)lmin = 6 v. and entered to pulse modulator: If PDM used and part of PDM-TDM spectrum is shown below with maximum and minimum guard bands are 10us, 4.5 us, respectively Find KPDM: If the modulator is PAM Sketch the 3rd time frame where; KPAM = 1, (assume t = Tg). If the modulator is PPM, how can generate the PPM signals from PDM spectrum, with pulse width is 2us. i. ii. iii. TDM-PDM maximum guard band minimum guard band ... ... Time 150 200 (microsecond) 100 128 142.76
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