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An interplanetary spacecraft far beyond Earth's orbit communicates with an equatorial ground station on the Earth. Calculate the maximum Doppler shift seen at X-band (8.4 GHz) due just to the Earth's revolution around the Sun and Earth's rotation (combined). (Ignore any component due to the velocity of the satellite.) -Assume the spacecraft in the question above is exiting the Solar System at the solar escape velocity and is 5AU from the Sun. Repeat Q3 including this effect.
Silicon at T = 300 K is doped with arsenic atoms such that the concentration of electrons is n0 = 7 x 1015 cm -3. (a) Find Ec - EF. (b) Determine EF - Ev. (c) Calculate p0. (d) Which carrier is the minority carrier
A three-phase fault occurs at the generator terminals causing the angle of part (c) to increase. The fault is subsequently cleared. Find the maximum value that this angle can reach during the fault (i.e. the critical clearing angle) so that the ge..
Design a power system for a facility, which requires both three phase and single phase supplies. Following conditions must be applied in the design: 1) The facility is at least 60 km far from a distribution substation.
Find the value of i1 in the circuit, using mesh-current analysis. Find the the value of i2 in the circuit, using mesh-current analysis. Find the power delivered by the source in the circuit, using mesh-current analysis.
What is the channel capacity for a channel with a 300 Hz bandwidth and as S/N = 3? 2nd problem: Given a channel with a 50 kHz bandwidth and a S/N = 127, determine:
As far as a direct compaison of mechanical switches vs. transistors used as switches, the transistor does have a measurable impedance when ON, and a mechanical switch does not.
determine the transfer function of a 4th order lowpass butterworth filter with a 3-dB cutoff frequency of 3.4 kHz and passband gain=1. Design the circuit using MFB topology. Design two sections with an order of 2.
Write a program to compute the average of an array of N 8-bit numbers and store the result at $1001. The array is stored at memory locations starting from $1010. N is no larger than 255. Assume N is stored in the memory location $1000.
100 kg of a certain gas is contained within a piston-cylinder assembly. the gas undergoes a processwhich the pressure volume relationship is (PV)^n = constant. The initial pressure is 6 bars, the initial volume is 0.2 cubic meters
With a 500hp shunt wound DC motor, at 1800rpm, 500Vdc, FLA is 800Adc, Ra is 0.025 and Rf is 400. What would Va need to be if you wanted the motor to operate at 1000rpm at rated torque. Keeping the field current constant.
The transfer function of a system is given below. Find its impulse response in n-domain. Hint: First expand using partial fraction expansion and then perform its inversion using z-transform tables H(z) = 1/(z-0.5)(z0.5)
Show the truth table for the following circuits: a. A 3 input NAND GATE (Inputs are A,B, and C and the output is Q) b. A 3 input odd parity circuit. (Inputs are A,B, and C and the output is Q) c. A two bit adder with inputs (A1,A0 and B1,B0) and outp..
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