For 2048-point sequence FFT with signal to noise ratio of 30 dB, how many numbers of bits required for calculation of given sequence of FFT? O 10 ) 11 ) 13 2 12
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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 25810. A 150 mV level is to be converted into an 8-bit digital code. Calculate the resolution of the conversion, and analog levels represented by the MSB and LSB, and determine the analog level represented by 11111111.For a QPSK waveform, with the following input bit sequence 100010101101, an input rate equal to 20 Mbps: Draw the modulated waveform, state assumption used. Determine the minimum bandwidth required
- The resolution of the ADC unit with the reference voltage value of 3V is set to 8 bits. If the voltage level applied to the ADC input is 1.67 V, what is the numerical value read? For numbers with commas, take 4 digits after commas.?MCQ) 5)Quantization error------: a. decreases as the bits per sample increases b. decreases as the bits per sample decreases c. decreases as the sample rate increases d. decreases as the sample rate decreases 6)The difference between the actual value of the sample and the quantized value of the sample is called: a. PAM error b. Sampling error c. Quantization error d. PCM error ThESE multiple choice question from DIGITAL COMMUNICATIONS course.just write for me the final answer.a noiseless 4kHz channel is sampled every 1msec, What is the maximum data rate? How does the maximum data rate change if the channel is noisy, with a signal to noise ratio of 30db?
- 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.For midpoint biasing, ID would be: A. 10 mA. B. 7.5 mA. C. 5 mA. D. 2.5 mA.2-bit by 2-bit binary multiplier using ROM VHDL code
- In a binary PCM system, if the quantizing noise is not to exceed ±P percent of the peak-to-peak analog level, show that the number of bits in each PCM word needs to be nz [log2 101 log1o ()- 50 3.32 log10P19) Consider a 6-bit ADC and full scale voltage measurement range of (0-59).The Resolution will be _________. 0.30 0.06 0.92 1.00b. Explain how to decide the sampling rate for a multi-frequency input signal. c. An ADC with word length of 24 bits. If the input analogue signal range is 3.7 V, what is the resolution of this ADC? d. Consider a thermocouple giving an output of 0.5 mVrc. What will be the word length required when its output passes through an ADC if temperatures from 0°C to 120°C are to be measured with resolution of 1.5°C?. Assume 12V as system voltage.