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In the digital communication link the data rate is 500 kb/s. The modulator generates the binary FSK signal.a) Determine the transmitted bandwidth if the difference between two frequencies fc1 - fc0 = 300 kHz, and the transmission shape filter uses the roll-off factor r = 0.5.b) Determine the transmitted bandwidth if FSK modulation to be changed to MSK modulation scheme .
An analog signal, containing frequencies up to and including 400Hz, is to be sampled at the minimum possible frequency, with a frequency resolution of 0.1 Hz. You are to find the sampling frequency, record length, and number of samples.
Suppose you are given the following task: "Find the smallest (in the signed sense) of a sequence of 100 8-bit values stored in sequential file register locations starting at file register 800." Write a short sequence of instructions to perform thi..
The current in the bulb depends on the time t according to the relation I = (0.807 A) sin [(272 rad/s)t]. (a) What is the frequency of the alternating current (b) Determine the resistance of the bulb's filament. (c) What is the average power deliv..
A point charge q resides in a 90 degree grounded conducting corner at the same perpendicular distance d from each conducting half-plane. Find the force on the charge caused by the induced surface charges.
A supplier claims that a transistor has a current gain of 100. 15 transistors are measured, and are found to have a sample mean of 99.5 and a standard deviation of the sample mean 2. a) For what confidence level would the claim be valid
The outputs of two "NAND" gates are connected to the inputs of an "Exclusive Or" gate. Each of the "NAND" gates has one input at a logic high level, and the other input at a logic low level. What is the output of the "Exclusive Or" gate?
Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source
Sketch the amplitude spectrum of a DTMF signal with finite duration. You should make this sketch by hand, using the Fourier transform expression obtained in part 1). What happens to the DTMF spectrum when T is "too small"
Design a circuit that lets exactly one full negative pulse (from an input train of pulses) pass through to the output, after a button is pushed.
The peak voltage is 6V and you need to maintain a resolution of 0.034V. Find the number of bits per sample and then calculate the total number of kbps needed in the ADC. Remember that you cannot have a fraction of a bit in a sample.
digital radio link has a bandwidth of 8 kHz and support a transmission of 87 kbps. According to Nyquist how many bits per symbol are required to modulate the signal Remember to use an integer number of bits.
Design a DC power supply that provides -95v +/- 5v to a 2 amp load (energy absorber). The input source is a 100 volt peak sinusoid, 60 Hz. You may use any basic circuit element. State the values of all circuit elements (in ohms, farads, etc).
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