When the number of bits in a PCM mode, n, is 3, what is the dynamic range in dB?
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When the number of bits in a PCM mode, n, is 3, what is the dynamic range in dB?
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- The information in an analog signal voltage waveform is to be transmitted over a PCM system with an accuracy of : 0.1 % of the peak-to-peak analog signal. The analog voltage waveform has a bandwidth of 43 Hz and an amplitude range of - 10 to 10 Vots. Determine the minimum bit rate fin bps) required in the PCM system? O a 688 O 774 O c 387 O d 86 Oe 258What is meant as baud rate? I don't understand explain in bit details and what's the difference between baud rate and bit rate?A) For the -K FFs shown below. Given the waveforms, Determine the Q output wave (PGT) CK B) Perform each of the following conversions: (0110.0000) BCD =(---s. (11100.1)2= (---- c d1001010) -6 (100010)- (-----)aray cod, (D3.E) 16- (-----) 2 BCD.
- 1- A modulation index of 0.5 would be same as a) 0.5 of Modulation Depth b) 1/2% of Modulation Depth c) 5% of Modulation Depth d) 50% of Modulation DepthThe task of the modulator is: O a. Amplification of the analogue signal before transmission. O b. Converting digital symbols into analogue waveforms. O c. Decompresses the encoded digital signal. O d. Detects and possibly corrects error in the received digital data. O e. Detection of received digital symbols. O f. Introduces redundancy in the digital data to protect against error. g. Compresses the digital signal. O h. Amplification of the received signal with minimal noise.During amplitude modulation, if the maximum and the minimum values of the envelope are 5V and 1 V respectively, then what will be the value of the modulation index? Will this value of modulation index give rise to over modulation?
- [0 5] the signal in the volt range will be quantified. since n=4; a)Calculate what is the number of Qunta levels? b) Calculate what is the quantization interval? c)V=3.2 volts rounded to what quantization level? Let's draw with Quantalama level chartFor a resolution of 0.08 V, determine the seven bit sign magnitude PCM code for a sample of -2.19Va. 0101110b. 1011011c. 0011100d. 0011011 NOTE: A bit confused regarding the sign bit 0 and 1. Does 0 represents negative (-) or positive (+)?1- If SNR of 8 KHz channel is 25 dB, the channel capacity is: a) 20 kbps - b) 11.3 kbps c) 66.47 kbps 2- If the error correction code is capable to correct up to 4 errors, then the hamming distance is: a) 1 b)4 c) 8 @ 9 3- Channel capacity increases with the increase of: a) signal power and Noise b) signal power and interference c) signal power and bandwidth d) All of the mentioned d) 80 kbps 4- The channel capacity of a noise-free channel with m symbols is: a) Log2 m 5- Which coding technique can use fixed length coding: aMorse code b) LZ algorithm c) Huffman code d) Shannon-fano code 6- which ARQ introduces higher transmission delay between Tx and Rx a) Selective repeat 7- In viterbi algorithm, the metric for decision making is : b) m c) m2 d) 2m b) Stop and wait c) continuous ARQ d) ARQ with pullback a) Parity check b) Hamming distance c) prefix code d) none of the above.
- In ASK, when modulating signal is binary 1, the ASK output is a. same as the carrier signal b. 0 c. 1 d. same as the modulating signal1. With the help of Octave program perform the Modulation and Demodulation (AM) of information signal with carrier signal, through subplots with following signals a. Modulating signal b. Modulated signal c. Demodulated signalAn analog signal having a maximum frequency of 10 kHz is being transmitted through a PCM system with a uniform quantizer having 256 levels. What will be the minimum transmission bandwidth of the transmitted PCM signal?