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For a satellite phone antenna communication link at 10GHz. Assume the phone to be hand-held(i.e no pencil -beam emitted, fold-out antennas might be an option) and a LEP (low earth orbit) satellite at a height of 780KM. Keep in mind that a LEO satellite is moving with respect to earth's surface. Pick state-of-the-art amplifier electronics etc.One way for instance is t use thermal noise as the limiting factor, with a temperature of 290K on ground, and less than 50K for the satellite, with impedances matched to antenna impedances. Assume reasonable maximum sizes of both the satellite antenna and the hand-held phone antenna, and reasonable values for the power available on ground and for the satellite.what is the received power needed ?
A first order highpass filter is required to satisfy the following specifaction fs=10000Hz fc=4000Hz Find the transfer function and difference equation by the pole-zero placement method.
A production plant has a requirement for a counter that will count 4,000 times before recycling and starting over. How many flip flpos are required?
There is a 50 Mhz clock signal on the FPGA board. we want to have a 1 Hz signal for testing all the designs. Find out what size of the counter we need in order to obtain this signal from the on board clock.
A 150kVA, 2080/208V, 60Hz, Y/Y connected, three-phase, step-down transformer consists of three identical single-phase transformers. Each transformer has the following parameter values: Rl = 0.45-ohm, Xl = 2.2-ohm , R2 = 4.5m-ohm
Two thin rods of length L lie on the x axis. One of them has a charge of -Q uniformly distributed along its length and is positioned between x = -L and x = 0. The other one has a charge of +Q uniformly distributed along its length.
Desired D.C. Output : 10 V Load Variation: 0.3 kilo-ohms - 10 kilo-ohms Ripple Factor: Less than 0.1% for 2 kilo-ohms load Load Regulation: Better than 3 mV for a 1 mA change in load current
A computer has 16-bit instructions and 64 registers. Suppose it is required to have at least 14 instructions designed to have 2 operands from registers (e.g., add, $1, $3 puts the sum of $1 and $3 into $1.
A plane wave in air with an electric field amplitude of 20 V/m is incident normally upon the surface of a lossless, nonmagnetic medium with Xr er = 25. Determine the following: a.) reflection and transmission coefficient
An inductive circuit of 50 ohm resistance and 0.08H inductor are connected in series with a capacitor across a 200-V 50-Hz supply. The current is 3.8A leading. What is the value of the capacitor
1) Use the following function g(a,b,c) = (a'+b)(b'+c) for parts (a)-(d) below. a) write g as a minterm LIST b) write g as a canonical sum-of-products c) write g as a maxterm LIST d) write g as a canonical product-of-sums
Design a VDHL file controller to operate two separate sets of three traffic light signals, one for each direction. Use eight LEDs as shown in to represent the outputs. The Time in This State can be met in several ways.
A short distance system is composed of two identical transmission lines with an amplifier between them. A 1 mW signal is transmitted at one end and is received at the other end with an SNR of 22 dB.
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