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1. A fully connected mesh topology has six stations. How many extra transmission paths and input/output ports are needed if one more station is added to the mesh topology?
2. A constellation diagram has two points located at (3,0) and (-3,0) on the I(in-phase)-Q(quadrature phase) plane. Find the value of peak amplitude and the type of modulation this diagram represents.
3. Identify the steps involved in the delivery of a letter from the sender to the addressee. How are these steps similar to OSI layers' functions such as addressing, routing, resource sharing, error checking, and connectionless vs. connection-oriented communication?
Determine whether the system described by (1) y[n]=log(nx[n]), (2) y[n]=sqrt(n)*x[n+1], (3) y[n]=x[n-2]u[n], where a is an integer and |a|>1, is (i) memoryless; (ii) invertible; (iii) causal; (iv) stable; (v) time invariant; (vi) linear
What is the maximum message bandwith for which the system operates satisfactorily? Determine the output signal to quantizing noise ratio when a full-load sinusoidal modulating wave of frequency 1 MHz is applied to the input.
determine the coefficients c1, C2, c3, ,c4 used for projecting s onto v(1).v(4),respectively Using v(1), v(2) and v(3) only, find s*, an approximation for s using the orthogonal projection method. Determine the error vector s* - s.
a) what is the frequency f, of the ac circuit signal b) what is the period, T, of the ac circuit signal what is the angular velocity/frequency (omega), of the ac signal if v(t) = 24 cos (2pie 500t).
CdS photodetector is irradiated by light with wave-length of 450nm and intensity of 30Wm^-2. If the band gap of CdS is 2.4 eV and all electron-hole pairs are extracted without recombination. What is current density of this photodetector
Design the basic interface circuit (using an op amp) for a temperature sensor that covers a range of 0 degrees to 70 degrees C if the output of the sensor is 2 mV/1C and the ADC voltage range is 0 to 4 V.
Estimate the diffusivity of a spherically shaped protein with a MW of 36,000 in water at 37oC.
A two-resistor voltage divider consists of a 10 k and a 15 k ohm resistor, with the 10 k resistor connected to the voltage source and the 15 k resistor connected to ground. If the output voltage is 2.5 V across the 10 k resistor
ELF communication signals ( f
An input signal of 10 sin (2pi 1592t+0degrees) is applied to a series RC circuit with resistor R =1000ohm and capacitor C= 0.1 uF. The current flow through the capacitor is a. 10mApk angle 90 degrees b. 5mApk angle 45 degrees
A rectangular chip has a top surface of 0.5 cm by 2 cm cooled by air at 20 oC with h = 150 W/m2.K. There are also 16 connector pins, 1 mm wide, 0.5 mm thick, 6 mm long and k = 60 W/m.K attached to a circuit board at 30 oC.
select a window function to limit the number of samples of an infinite impulse response and the filter specifications are the same, regardless of which window function you select. If you are given the option of using either a Hamming
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