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Consider two signals that have the same frequency. When the amplitude of the first signal is at its maximum, the amplitude of the second signal is at half its maximum from the zero level. What is the phase shift between the two signals?
a. Express the transfer function in descending powers of s with the coefficients of the highest power of s unity in both the numerator and denominator. b. Determine where the poles and zeroes of the transfer function are located.
What is the maximum symbol rate for this link and the number of bits per symbol? What format would you recommend for the transmitted current pulses on this baseband link?
The load of an industrial plant is 400 kVA at a power factor of 75 percent lagging. An additional motor load of 100 kW is needed. Find the new kilovoltampere load and power factor of the plant load if the motor to be added
What are the main differences between MS antennas and BS antennas. List the antennas used at mobile stations and describe the construction and characteristics of one of them in detail.
A 300 W resistor is connected across the 300 Wantenna input of a television receiver. The bandwidth of the receiver is 6 MHz, and the resistor is at room temperature (20oC). Find the noise power and noise voltage applied to the receiver input.
what is the open- circuit voltage. power supply has isolated +- 15V and +-6V outputs,what is the maximum positive voltage and maximum negative voltage that can be output from power supply.
calculate the minimum sampling interval (time period for counting the pulse train) to achieve a speed resolution of 5 rpm, and the number of bits that must be there in the binary counter if the pulse train is to be sampled with this interval for a..
The power dissipated in the resistor R0 is 89 W when connected to a 10V source. Find the total dissipated power if 3 resistors identical to R0 are connected in series to a 10V source.
Consider two Si samples; one is p-type doped to 1018/cm3 acceptor atoms and the other one n-type doped to 1015/cm3 donor atoms at room temperature (300K). a. Draw the band diagram associated with p-type and n-type semiconductors, noting the various..
Four Resistors are connected in parallel. what is the equivalent resistance if their individual resistances are r1 =100 Ohms ±5% tolerance r2 =470 Ohms ±5% tolerance r3 =330 Ohms ±10% tolerance r4 =1000 Ohms ±5% tolerance
For evaporation from a point source, derive the ratio between the film thickness, d and the maximum thickness, d0 on a substrate of radius, r. What is the ratio for a surface source
Calculate the minimum PWM frequency for a small permanent magnet DC motor with a time constant of 15 milliseconds.
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