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An isotropic antenna is radiating a total power of P0W. A receive antenna is located 2km from the radiator. It has a gain described by the equation with loss factor and an effective aperture of Aer1=600cm2 . How far away can a second antenna with and effective aperture Aer2=1.0m2 be located so that both antennas receive the same power at their output terminals?Compute the gains of the two antennas for the case where the transmitter frequency is 800MHz. What are the gains if the transmit frequency is 1.9GHz?
An inverting amplifier With nominal gain of -20V/V employs an op amp having a dc gain of 10^4 and a unity-gain frequency of 10^6 Hz. What is the 3-dB frequency f3dB of the closed-loop amplifier
An edge-coupled microstrip line with a ground plane spacing of 0.5 mm and dielectric constant of 10 is required to have even- and odd-mode characteristic impedances of Zoe=70 and Zoo=40
Write a program which accepts the frequency of an electromagnetic wave in megahertz and then displays to the user whether the frequency falls in the FM band, AM band, or neither.\FM radio falls between: 87.7 to 108.0 MHz.
Suppose that a current x(t) = e^-0.5t for t > or equal to 0, and zero otherwise is applied to a discharged capacitor of capacitance C =1F at t = 0 sec. What would be the voltage in the capacitor at t= 1 seconds
Find the minimum Sum-of-Products (SOP) expression for the following function using Quine.
Determine the maximum and minimum spectral frequencies received from a stationary GSM transmitter that has a center frequency of exactly 1950.000000 MHzassuming that the receiver is traveling at speeds of.
A spaceship moves at a speed of 0.85 c away from theEarth. It shoots a star wars torpedo toward the Earth at aspeed of 0.80 c relative to the ship. What is the velocity of the torpedo relative to the Earth
(a) Determine a unit vector in the direction of Q at P(1, 2, 1) (b) Find the component of Q at P in the direction of PT where T is point (5, 3, -4) (c) Where is Q the same as the unit vector of \(a_{x}+11a_{y}+10a_{z}\)
Voltage across a .1 micro farad capacitor is : v(t)=25v when t is less than or equal to 0; and v(t)=(Bte^-1000t) + (C(e^-1000)v) when t is greater than or equal to 0 Initial current is 100mA A) what is the initial energy in the capacitor
explain the use of the Op Amp as a difference amplifier and as a comparator. What are the distinctions between the ways each one is used.
Find the stall current, max speed in rotations per minute (RPM), and armature current at a speed of 480.769 radian/s (4591.006 RPM). Discuss the relationship (if any) between the armature current at max speed
the charge entering the positive terminal of an element is q(t) = -12e-2t mC. and the power delivered to the element is p(t) = 2.4e-3t W . what is the current , voltage and energy of the element in the time interval 0
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