Fundamentals of Electromagnetics with Engineering Applications
1st Edition
ISBN: 9780470105757
Author: Stuart M. Wentworth
Publisher: Wiley, John & Sons, Incorporated
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Chapter 7, Problem 7.32P
To determine
The maximum data rate of typical PIN diode for
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If you have a system with a quantizer of 8V & 4 bits resolution, show the following:
1. howmany levels are there in this quantizer.
2. The quantizer maximum errors.
3. The voltage values of each level
4. The code of the first and third levels
5. If the input signal of the system has the following frequency values (10 KHz ,100
KHz and 1000 Hz), what is the suitable sampling frequency?
a) i) Determine the number of bits per level required when using FSK with 4 different
frequencies and QAM with a constellation of 256 points.
ii) We want to digitise a signal that contains frequencies between 100 Hz and 1500
Hz, assuming 16 bits per sample. The digitised signal will be transmitted using a
QPSK process. Determine the bit rate and the level rate.
iii) We need to send 210,000 bits per second over a noiseless channel using 128-
QAM. Determine the required bandwidth.
1.how does an additional 2 bits affect the SQNR ?
Chapter 7 Solutions
Fundamentals of Electromagnetics with Engineering Applications
Ch. 7 - Find the cutoff frequency for the first eight...Ch. 7 - Prob. 7.2PCh. 7 - Prob. 7.3PCh. 7 - Calculate uG the wavelength in the guide, and the...Ch. 7 - Consider WR975 filled with polyethylene. Find (a)...Ch. 7 - Plot up and wavelength in the guide as a function...Ch. 7 - WR90 waveguide is to be operated at 16 GHz....Ch. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Suppose a length of WR137 waveguide operated at...
Ch. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - Find an expression for the magnetic field of the...Ch. 7 - Prob. 7.14PCh. 7 - Prob. 7.15PCh. 7 - Prob. 7.16PCh. 7 - Compose a program that will plot the left and...Ch. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - Prob. 7.20PCh. 7 - Prob. 7.21PCh. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - Prob. 7.26PCh. 7 - Suppose nf=1.475 and nc=1.470. Determine the...Ch. 7 - Prob. 7.28PCh. 7 - Prob. 7.29PCh. 7 - Prob. 7.30PCh. 7 - Assume that the coupling efficiency from a typical...Ch. 7 - Prob. 7.32PCh. 7 - Prob. 7.33P
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- Calculate the data rate of this signal in bits per secondsarrow_forwardPlease make suitable assumptions for any required additional data.arrow_forward|8-bit resolution for is very common for each color in a display or camera. In a 0-5 volt system, compute the voltage associated with a single bit change.arrow_forward
- c) i) Determine the number of bits per level required when using FSK with 4 different frequencies and QAM with a constellation of 256 points.arrow_forwardWhat are the data rate limits? Calculate the maximum bit rate of noiseless channel with a bandwidth of 4000 Hz transmitting a signal with three signal levels.arrow_forwardQ1: A BPCM system is used to transmit signal of 512 levels, the input signal works in the range between (30-70) MHz. Find the bit rate and signal to noise ration? Note that: the step size is considered to be double of system level. Communication systemarrow_forward
- Problem 4 Consider a communication system that transmits data packets of 16 bits. Each bit can be in error with a probability of 0.01. Find the probability that: (a) More than 3 bits out of the 16 will be in error (b) More than 5 bits out of the 16 will be in error (c) At least 2 bits out of the 16 will be in error.arrow_forwardAssume the channel bandwidth is 3100 Hz and the maximum data rate is 35 kb/s. To improve the maximum data rate by 60%, how many times should the signal-to-noise-rate (SNR) increase? Based on the improved maximum data rate and SNR, if the SNR further increases by 10 times, can the maximum data rate further increase by 20%?arrow_forwarda) i) Determine the number of bits per level required when using FSK with 4 different frequencies and QAM with a constellation of 256 points.arrow_forward
- An analog signal is to be coded by an ADC. The signal contains significant frequencies up to 900Hz. If the system is operated at a bit rate of 180kbps and each input sample is quantized into 1024 levels, answer the following: a) What must be the minimum sampling frequency to avoid aliasing? samples/sec b) What is the Nyquist rate? c) What must be the number of bits per sample? kHz Hz bits d) If the sampling frequency is 10% above the Nyquist rate, what is the Nyquist frequency?arrow_forwardQuestion 2: Eight sources, each with a bit rate of 1000 kbps are to be combined using synchronous TDM. Each output slot carries 1 bit from each source. Answer the following questions a. What is the size of an output frame in bits? b. What is the duration of an input slot? c. What is the duration of an output slot?| d. What is the output frame rate? e. What is the data rate of the multiplexed path?arrow_forwardDesign a modulo 9 synchronous counter with JK-ff that will count down from 9 to 1 and recycle back to 9. Design a modulo 7 synchronous counter with JK-ff that will count down from 7 to 1 and recycle back to 1. Design a Mealy and Moore machine to detect the presence of bit pattern 001. Output of the circuit will be HIGH(1) when the complete pattern has been detected.arrow_forward
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