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A baseband digital transmission system that sends ± A-valued rectangular pulses through a channel at a rate of 10,000 bps is to achieve an error probability of 10 - 6. If the noise power spectral density is N0 = 10 - 7 W/Hz, what is the required value of A? What is a rough estimate of the bandwidth required?
A dc separately excited generator runs at 1200 rpm. the rated current and voltages are 100 A at 240 V. The armature resistance is 0.15 (ohms). The open circuit magnetization characteristics at 1200 rpm are
The vaultdoor will be equipped with a vibration sensor that will cause aswitch to close it the vault is disturbed, ans a switch will bemounted on the bank door in such a way that i will close wheneverthe bank door is opened.
Suppose that a memory chip has capacity for 64 k bits, divided into 4 k words of 16 bits each. Knowing that an address decoder is used to activate the word lines, do the following:
A differential amplifier has a differential gain of 500 and negligible common-mode gain. The input terminals are tied to ground through 1-kΩ resistors having tolerances of ±5 percent. What are the extreme values of the output voltage caused by a ..
What is the frequency in Hertz of a signal that repeats 80,000 times within one minute? What is its period? Using EBCDIC, ASCII, and Unicode character code sets, what are the binary encodings of the message "Hello World"?
use only DC power sources and it should power a string of LEDs by replacing individual lights by a buch a bunch of them. calculate frequency, wave type(square, sine, triangular, etc) and max and min volages seen by the LEDs.
An AC induction motor is rated at 1750 rpm with a line frequency of 60Hz. If the motor is operated on a 50 Hz line, what will be its approximate speed in RPM?
design a circuit to compute F=(A*B*C) +3*D+12,A,B,C and D are 16 bit inputs and F is a 16 bit output. Use 16 bit multiplier and adder components, and ignore overflow issues.
If a resistor is connected to terminals a-b of the circuit shown in Fig. 1.31, what value should it have for maximum power transfer to it?c
an underwater optical communications system that implements forward error correction is demonstrated. the system uses a
Prepare an Excel graph showing the individual components and summated resultant waveform of the odd harmonic series resulting in an approximate square wave.
Due to increased electricity demand in the factory it is proposed to make a connection to the grid through two 2 MVA transformers in parallel each with a reactance of 0.1 pu. The fault level at the grid connection point is 1000 MVA. What will now ..
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