Q4/ A PCM system uses a uniform quantizer followed by a 7-bits binary encoder. The bit rate of the system is equal to 50 ×10ºbitss/sec. i) What is the maximum message signal bandwidth for which the system operates satisfactorily? (ans, maximum message bandwidth is 3.57 MHz) Calculate the output signal to quantization noise ratio when a full load sinusoidal modulating wave of frequency 1 MHz is applied to the input. (ans. dB 43.9 dB)

Q4/ A PCM system uses a uniform quantizer followed by a 7-bits binary encoder. The bit rate of the system is equal to 50 ×10ºbitss/sec. i) What is the maximum message signal bandwidth for which the system operates satisfactorily? (ans, maximum message bandwidth is 3.57 MHz) Calculate the output signal to quantization noise ratio when a full load sinusoidal modulating wave of frequency 1 MHz is applied to the input. (ans. dB 43.9 dB)

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

ChapterS: Safety, Basic Electricity And Ohm's Law

Section: Chapter Questions

Problem 8RQ: What is an MSDS?

See similar textbooks

Similar questions

1/ A 4 MHz analog signal is to be converted to a binary signal (PCM). If the signal to peak quantization noise ratio should be at least 30 dB: a/ What is the size of the code word? b/ What is the system rate in bits per second if sampled at the Nyquist rate?
Define the decoders and the encoders, and what functional differences exist between them?
A PCM system is used to transmit base4 signal of 512 level, the input signal works in the range between (30 to 70) MHz. Find the bit rate and signal to noise ratio in dB? Note that: the step size is considered to be double of system levels? *
In a binary PCM system with uniform distribution signal, the average output signal-to-quantization-noise ratio is to be held to a minimum of 43 dB. Determine the number of required quantized levels when using (M - law).
Write a VHDL code for 4:1 multiplexer using conditional concurrent signal assignment
The number of bits per sample in a PCM system has SNqR=45 dB is?
Describe clearly the working of Super heterodyne receiver with a neat sketch and also write down the advantages of it.
Exxplain the rellation between BER and E/N_0, where E is the energy per bit,N_0 is the noise spectral density, BER is the bit error rate. What is the reason for usign channel coding?
In a binary PCM system, the output signal-to-quantizing-noise ratio is to be held to a minimum value of 40 dB. Determine the number of required levels, and find the corresponding output signal-to-quantizing-noise ratio.
In the figure below, an x(t) signal varying between +- 1.6 V is split into 8 quanta levels and converted to a digital signal. being converted. a) Calculate the quantization gap voltage (step)? b) Draw the PAM, PCM and ASK outputs in this conversion process? c) Calculate bit transmission rate if sampling pulse frequency ?? = 2kHz.
How do you design to 2-4 active low decoder?
3/ A Digital Analog Converter of 12 Bits of Precision is available A/ Determine the signal to the system's peak noise ratio B/ If the signal is sampled at 44 kHz. What is the bits rate generated by the system? C/ Determine the required bandwidth if I wanted to transmit this data with a modulator 16-QAM.