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Consider a gsm uplink. the ms has 100 mw transmit power and the sensitivity of the bs receiver is -105 dbm.the distance between the bs and ma is 500 m.the propagation law follows the free space law up to a distance of dbreak=50m and for larger distances the receive power is similar to (d/dbreak)^-4.2. The transmit antenna gain is -7db the receive antenna gain is 9db. compute the fading margin
A 2 farad capacitor is charged up to 400v by a dc power supply. How long in seconds would it take to discharge the capacitor to a safe stored energy level of 1 joule using a 1k ohm high wattage resistor bank.
Assume that a receiver has a first amplifier stage with a 5KW input resistance, a gain of 300, an input audio signal of 20 mV, and an operating temperature of 27oC. When the amplifier is operating with a bandwidth first of 10 MHz,
Write a program to determine how many from your data set called MYDATA, which is a set of unsigned single-byte numbers, are odd numbers. Save the result in TOTODD at address 0x10 in the data memory.
Two voltage waves of equal amplitude, V0, and frequency w, propagate in the forward z direction in a lossless transmission line of characteristic impedence Z0. One waves is phase-shifted from the other by \o radians.
A baseband sine wave signal with frequency 4.0 kHz is modulated onto a carrier at 1.050 MHz using DSB-LC AM. What are the frequencies of the sidebands of the RF signal?
An office building is billed based on the rate structure given in Table 5.3 (Energy charges is $0.0732/KWh and demand charge is $9 / mo-kw. As a money saving strategy, during the 21 days per month that the office is occupied
In the United States, coal is a fossil fuel, used mainly to fuel the energy needed for electric power plants to manufacture electricity. The air pollution caused by burning coal has been linked to health problems and concerns for the general popul..
Gaussian weighting following ideal, unweighted equalization is used to reduce time sidelobes seen with a 250-MHz chirp-pulse-compression radar. Rectangular chirp pulses are transmitted. (a) What is the half-power compressed-pulse
The messages being sent are 2 milliseconds long. Computer A starts sending a message on the bus; 250 microseconds later, Computer B starts to send a message, and 250 microseconds after that, Computer C starts to send a message.
Turbines at the Conowingo plant on the Susquehanna River each develop 54,000 hp at 82 RPM under a head of 89 feet. What is the turbine type Estimate flow rate of each turbine.
(1) What happens if we connect an integrator and a diffetentiator together in series. What do we get. 2) Explain what is meant by 1nV/rtHz. What is the meaning of this specification.
1 kW heating element of a 230 V, 50 Hz electric stove is to be controlled by a triac circuit. The gate circuit of the triac uses a 0.2 mF capacitor and a diac with a break over voltage of 50 V. Calculate the adjustable resistance value to provide ..
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