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Assume that a voice channel occupies a bandwidth of 4 khz , now we need to multiplex 10 digitized voice channel (assuming 8 bit per sample) using synchronous TDM. if the interleaved unit is 1 byte . 1 extra bit is added per fram for synchronization. What is
a) size of output frameb) output frame ratec) duration of an output framed) output data ratee) efficiency of the system ( ratio of useful bits to the total bits)
Design a circuit that satisfies the equation VOUT = - 3 * VB - 2 * VA. Draw the circuit schematic identifying supply voltages and show your work on component selection
A 10 kW, 220 V, dc shunt motor has field and armature reistance of 110 ohms and .20 ohms, respectively. At no-load the motor runs at 1200 rpm and has an armature current of 5 A.
consider the dual circuit where the value of the inductor is L=1H, the initial current in the inductor is iL(0)=-1amps, and the input is the source vs(t). Let vs(t)=u(t)=u(t-1). Plot the corresponding current iL(t) for all times.
A 50 hp, 460 V, three phase induction motor draws 61 amps when operating at rated voltage and at a power factor of 0.85 lagging when supplying a rated load. knowns: 1hp=746watts effeciency (n) = Pout/Pin = Pout/(Pout+losses)
A squirrel-cage motor winding is wound up for two poles. At full-load, the motor operates at 3294 rpm with a slip speed of 306 rpm. What is the supple frequency
When a current of 0.5 A is passed through two resistances in series the potential difference between ends of the series arrangment is 12.5V . on connection them in parallel and passing a current of 1.5 A. the potential difference between their end..
How the inversion voltage is affected by the relative sizes of the sizes of the nMOS nMOS and pMOS TRANSISTORS OF THE CMOS transistors of the CMOS inverter
Consider a 3 phase, 2 pole induction machine. Neglect the stator windings resistance and the leakage inductance. The rated voltage is 208 V (line-line, rms) at 60 Hz. Lm=60 mH, and the peak flux density in the air gap is 0.85T.
a) What is the total resistance corresponding to 1k-ohm, 4k-ohm , 10k-ohm , 4.7k-ohm resistors connected in series b) What is the total resistance corresponding to 10-ohm , 100-ohm , 1k-ohm , 10k-ohm resistors connected in parallel
Three single phase transformers are used to form a three-phase transformer bank rated 13.8kV (delta)/120kV (wye). One side of the transformer bank is connected to a 120kV transmission line.
Determine the phase relation between V o and i g for the given network if V g = 45sin(317t) and determine v o for the given network
A pn junction diode is forward biased by a Thevenin circuit consisting of Rth = 5kohm and Vth = 10sinwt where w= 2pi*10rads/s. Find the diode voltage and current as functions of time.
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