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The sum constraint in applies because the two users send inde- pendent information and cannot cooperate in the encoding. If they could cooperate, what is the maximum sum rate they could achieve, still assuming individual power constraints P1 and P2 on the two users? In the case P1 = P2, quantify the cooperation gain at low and at high SNR. In which regime is the gain more significant?
Several type 741 op-amps, some switching diodes,and +5 V and -5 V power supplies are also available. Draw acircuit diagram showing how an inverting amplifier with a gain of -1.5 can beconstructed with these components only.
The sampling frequency in a DSP system is fs=8 kHz. Anti-aliasing filter used in the system is the second-order Butterworth filter with cutoff frequency of fc=3.4 kHz. What is the percentage of aliasing level at the frequency f=2.5 kHz
Message signal m(t) = 0.6sin(27r3000t + pi/9) For a carrier signal with amplitude Ac = 4,fc = 40MHz, answer the following. What are the expressions for the transmitted signals in part a Find the transmitted power for each signal in the part a
You are designing a 2.4 GHz receiver with a 140 MHz IF. System design constraints require that the local oscillator power be minimized to reduce the potential for interference to other systems as well as to reduce the receiver power consumption.
The charging battery remains connected and the space between the plates is filled with a material of dielectric constant 5. Compute the new capacitance, the charge, the field strength and the energy stored.
A transmitter is using a 2B1Q and operating at 3 Mbps. What is the minimum bandwidth necessary on the transmission line for successful communication
Design a parallel resonant circuit so that a variable capacitor can adjust the resonant frequency over the AM broadcast band, 535 to 1605 kHz, with Q
State and prove the Thevniin's theorem. determine Thevniin's equivalent circuit which may be used to represent the network shown below at terminal CD.
what is the range of sampling frequencies you can use such that you don't violate Nyquist theorem and still meet or exceed the needed resolution when you perform the FFT operation on the full set of collected data
Interface binary Input Output devices to the microcontroller
a beam of polarized light of intesity I0 passes through a sheet of ideal polarizing material. The polarization axis of the beam and the transmission axis of the sheet differ by 30 degrees. What is the intensity of emerging light
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?
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