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A transmitter radiates an EIRP of 1W into free space. A receive antenna located at 1km from the transmitter has a gain of 5dBi. Assume that there are 2dB of system loss.
A. If the system operates at 900MHz, what is the power level at the output of the receive antenna terminals?B. What is the power level at the output of the receive antenna terminals if the system operates at 1800MHz?C. How does the received signal level vary between cases A and B?Explain what physically causes the received power to be different in these two cases, even though all other parameters do not change.
If the fundamental frequency of a square wave is 10 kHz, what are the first three frequency components contained in the square wave
During an all-night cram session, a student heats up a 0.491 liter (0.491 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19.7 °C, and the beaker is filled to the brim.
For each of the sinusoidal source functions, determine the complex exponential source that has the given source as its imaginary part. Determine the phasor representation of each of the sinusoidal source functions.
A parallel circuit consists of a source and 15 ohm and 30 ohm resistors. The resistor of 15ohm draws a current of 8A. a) Find the current out of the current source. b) Find the current through the 30 ohm resistor.
A single-phase 240/120 V transformer has the following parameters: R1 = 1 ohm, R2 = 0.5 ohms, X1 = 6 ohms, X2 = 2 ohms, Ro = 500 ohms & Xo = 1.5k ohms. (a) Load voltage referred to the primary side (b) Currents of the primary and secondary windings
Consider the analog filter H(s)=30000/(s^2+400s+30000) , notice that the filter gain in the passband is unity or 0 dB. You can also use MATLAB command "roots" to check for the poles that are p_1=-100 rad/s, and p_2=-300 rad/s.
Find the range of values of "k" for which the system has two real, distinct, and stable poles. c) Find the value of k such that the system has a percent overshoot between 5% and 10%. d) Find the system sensitivity to k. e) Find the system type as ..
A constant(dc) current i(t)=3mA flows into a 50x10^(-6) capacitor. The voltage at t=0 is v(0)= -20V. The references for v(t) and i(t) have the passive configuration. 1. find the power at t=0 2. state whether the power flow into or out of the capaci..
A 92in*24in*32in, 450kg Square D motor controller is used to drive a 1600 hp,2400V,3-phase,60Hz squirrel-cage motor. a. assumeing the motor has a minimum efficiency and power factor of 96%and 90%,respectively
Describe the phenomenon of aliasing caused by under sampling. How can aliasing be mitigated What are the advantages of digital communication over analog What is quantization noise How can you reduce it
A star-bus hybrid topology consists of a main three branch star toplogy with each branch connecting three stations in a bus topology. This toplogy is changed to a new bus-ring hybrid topology with main five station bus topology.
How do we deal with a L1 cache that is Write-back Write allocate, and the L2 cache, which is a Write-through Write no-allocate?
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