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The term baud gives the signaling rate in symbols per second. For binary systems signaling rate in bauds is equivalent to data rate in bits per second because in a binary system the signaling element takes on one of two different amplitudes" either a one or a zero can be encoded, according to the amplitude value. Suppose each signaling element takes on one of four amplitudes. Each amplitude then corresponds to a specific 2-bit pair (00, 01, 10, 11). In this 2-bit case, bit rate = 2. baud rate. Find the data rate in bps (bits per second) for a digital system using 16 different signaling states and transmitting at 1200 baud.
we have two light bulbs a and b. bulb a has an exponentially distributed lifetime with mean lifetime 4 days i.e la
Draw the logic circuit to represent the following Boolean expression using only NAND gates.
Problem: Using 3 pages, propose a sequence of experiments and data output considering the following questions:
A single cell is modeled as a disk of radius 1 km. If a mobile at the edge of the cell transmits at its maximum power limit, its received SNR at the base-station is 15 dB when no one else is transmitting. Estimate (via numerical simulations) the a..
An electric pencil sharpener is rated 240 mW, 6 V is connected to a 9-V battery and a series-dropping resistor Rx needed to power the sharpener. Calculate the value of the series-dropping resistor Rx needed to power the sharpener.
Design a unity gain first order lowpass digital filter with a 3dB point at Fc=100Hz using Bilinear Transformation. The sampling rate is 1kHz. A first order analog filter is given by Ha(s)=θc/(s+θc) (a) What is the 3-dB frequency of the above analog ..
An Amplifier has an input voltage of 10mV rms and an output voltageof 5V rms across a 10-Ω load. The input current is 1μArms. Assume that the input and output impedances are purelyresistive. Find the input resistance.
Suppose that we need a first-order RC low pass filter with a half-power frequency of 1 kHz. Determine the value of the capacitance, given that the resistance is 5 k Ω.
How many moving parts a transformer has. From which material Transformer cores are made. What is the working principle of a transformer. What are the properties of an ideal transformer. When is the transformer at load. What are the losses in Transfor..
Use MATLAB to generate a 256x256 black image (0 values) with a 1-valued central block (white square) of 64x64 size. Analytically or graphically define/derive how to determine the rotation angles and different coordinates systems.
The motor drives a load that requires constant torque. Assume that RA = 0. The resistances in the field circuit are RF = 50Ω and Radj = 25Ω. Find a new value for Radj so that the speed becomes 1200 rpm. What is the slowest speed that can be achiev..
The boom AC is supported at A by a ball and socket joint and by two cables BDC and CE. Cable BDC is continuous and passes over a pulley at D. Calculate the tension in the cables and the x,y,z components of the reaction at A if the crate has a weig..
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