Six message signals each of bandwidth 5 kHz are time division multiple and transmitted. Determine the signaling rate and the minimum channel bandwidth ofu: PAM/TDM channel.
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- 3. Explain disadvantages of ASK modulation system.2. Digital signal is also compatible with multiplexing in what type? A. TDM B. FDM C. WDM D. All of the above5. What is the function of the prefilter in a PTM modulation circuit? completely removes frequencies greater than 8 kHz a. completely removes the PTM signal's first replica b. frequencies c. filters the message signal d. partially reconstructs and amplifies the message signal
- State a bit rate and maximum number of channels in T-1 and T-3 telephone TDM system.Answer all questions below: 1. Draw the general block diagram of Frequency Division Multiplexing (FDM) 2. Multiplexing is a technique that allows the (simultaneous) transmission of multiple signals across a single data link. Figure Q2 below shows a multiplexer with four 500 kbps data stream inputs and 1 data stream output where the unit of data is 1 bit. Determine: i. ii. iii. 500 kbps The type of multiplexing technique used. The input bit duration. The output bit rate. 500 kbps 500 kbps. 500 kbps. ... ... ... 1 0 1 0 1 0 1 0 0000 1 1 1 1 0 1 0 0 MUX Figure Q2 Frames 0101 0001 110100010101Draw the TDM signal with 2 signals being multiplexed over the channel?
- For the given signal draw the basic binary carrier modulation signals. 1. Amplitude shift keying 2. Phase shifting keying 3. Frequency shift keyingFora standard SSBSC carrier AM, the peak unmodulated carrier peak voltage is 10 V for a load resistance of 10 ohms and modulation index of 1. What will be the total transmitted power?2. (a) Answer the following questions in more than two lines. i) What type of signals do a WDM use? ii) When to use WDM and what is the main component used in it to do the multiplexing and demultiplexing? iii) Can a TDM multiplex the type of signals used in a WDM? Explain your answer in one line.
- Six message signals each of bandwidth 5 kHz are time division multiplexed and transmitted. Determine the signaling rate and the minimum channel bandwidth of the PAM/TDM channel.?Two M-QAM modulation schemes, 16-QAM and 64-QAM, having equal error performance (I.e same value of Pbe). SNR-13 dB 16-QAM system. Calculate the E/N, in 64-QAM system. Compare the results. What are the maximum transmission rate (free from ISI problem) in both modulation schemes? Assume B=20 kHz.Q6: Sectoring is a way to do what? a. Achieve branch circuits. b. Put each phone call in a different time slot. c. Do SS7 look-ahead call placement. d. Partition Voice mail boxes e. It is an ISDN-PRI way of brining in trunks f. Achieve frequency reuse. g. None of the above