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Two identical antennas are 18 km apart and optimally aligned and oriented. One is 8.0 m above the ground and the other is 6.0 m above the ground. There are no hills or valleys between the two locations. The antenna used as the transmitter has a gain of 16.6 dB and the receiving antenna has an effective area of 16.6 m2. We measure the average conductivity of the ground as s = (1.2)10-4 S/m.(a) What is the free-space wavelength at the operating frequency?(b) How many dB are lost in transmitting a signal from one antenna to the other?
Let a crappy voice channel occupy 1kHz. To ensure no interefence between channels due to nonideal bandpass filters add a 3.0kHz spacing between channels. How many simultaneous voice channels can you have if allocated a 87MHz bandwidth total
An internally compensated op amp is specified to have an open-loop gain of 106dB and a unity-gain bandwidth of 3MHz. Find fb and the open-loop gain in dB at fb.
a dsp system is given with the following specifications: design requirements: sampling rate 20,000 Hz Maximum allowable gain variation from 0 to 4,000 Hz = 2dB 40dB rejection at the frequency of 16000 Hz
Assume the system shown in the Fig. is balanced, Rw = 0, Van = 208 angle 0 degree V, and positive phase sequence applies. calculate all phase and line currents, and all phase and line voltages, if Zp is equal to a) 1K ohms b) 100 + j48 ohm
b) find nonhomogeneous solution with method of undetermined coefficient with constants evaluated c) combine homogeneous soluton with nonhomogeneous solution to form the general solution calculate the unknown constant in homogeneous part
Each of the four members of a "jukebox jury" is provided with a pushbutton; the button is pressed if the record played is a "hit" and is not pressed if the record played is a "miss". Design a digital logic system that lights a lamp
A pool of 200 frames exists for paging of processes A, B, C, D, and E. The processes' page sizes are 100, 200, 50, 150, and 500, respectively. Assuming proportional frame allocation is being deployed, how many frames are allocated to process D
Let us consider the detection of the framing bit in the T1 carrier by the receiver. Assume that the data bits in a frame assume values of 1 and 0 with equal probabilities of 0.5 and independent of each other. The framing bit alternates between 1 a..
Compare the by hand solution and the PSPICE simulation for a voltage amplifier which has an input resistance of 10kohms and an output resistance of 100ohms, and a gain of 100V/V. The voltage amplifier is capacitively coupled to a voltage source.
How will the reading of two ammeters compare if they are placed in series in a circuit Will the answer to this question be different if the resistance of the two ammeters is not the same
1.explain what is the instantaneous values of AC AND phase shift angle are. Explain what the effective and average values of AC are. How are they related with amplitude. 2.Draw a calculated conductivities triangle for the circuit with a parallel co..
Consider a 4 input, 1 output digital system (W,X,Y,Z, and f respectively) . Design a POS circuit with any number of inputs such that f(W,X,Y,Z) = M(0,2,4,9,13) + D(6,14).
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