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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.
The total current in a semiconductor is constant and is composed of electron drift current and hole diffusion current. The electron concentration is constant and is equal to 10^17 cm^-3. The hole concentration is given by p(x)
A 3.3V, 30 A dc power supply is to be designed with a ripple of less than 2.5%. Assume that a half-wave rectifier circuit (60 Hz) with a capacitor filter is used.
A particular diode was measured to have VD = 0.62 V at ID = 5.895 mA. Determine the following: a) the reverse saturation current IS. b) VD for a forward current of 100 mA. Assume VT = 25 mV.
What is the Construction and working of Phase or Line Tester ? (with Safety Precaution )
What is the resistance of an annealed copper wire that has a length of 500m and a diameter of 0.5 mm. How a diameter two times smaller affects the resistance.
Draw a state transition diagram for an FSM capable of solving this problem.
The memory unit, 2M x 32, is specified by the number of words times the number of bits per word. How many address lines and input-output data lines are needed And give the number of bytes stored in the memory.
An LED is connected to a 74LS244 in an active-LOW configuration. The key parameters for the 74Ls244 are IOH=-15 mA, IOL=20 mA, VOH =2.0V and Vol=0.5V. The LED has a voltage drop of 2.0V and an operating current of 15 mA.
How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?
The frequency of the interference slowly varies in the range 950 to 1050Hz. A filter that attenuates the interference by at least 20 dB and passes most of the audio components is desired. What type of filter is needed? Sketch the magnitude Bode pl..
Using the Routh Hurwitz method, find the values of k for which the following polynomial has all its roots to the left of s = -1.
A 600/120V, 60Hz transformer has a primary resistance of 0.4 Ohm, reactance of 0.9 ohm and secondary has a resistance of 0.8 Ohm and reactance of 1.2 Ohm. Find the secondary terminal voltage when it is connected to a load of 1500W at 0.8 lagging p..
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