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The noise temperature at the receiver antenna terminals is T0=290K. The equipment and environment suggest that 6dB of margin be used to assure performance under all conditions. For reliable voice co
1- Find the signal power at the input to the receiver amplifier. 2- Find the noise powre spectrum at the input to the receiver amplifier. 3- Find the signal-to-noise ratio at the receiver amplifier ou
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 rec
An isotropic antenna is radiating a total power of P0W. A receive antenna is located 2km from the radiator. It has a gain described by the equation with loss factor and an effective aperture of Aer1
Determine the minimum number of inverters, 2-input ANDs and ORs needed to implement each of the Boolean functions given below. If an inverter has delay of 1ns and each 2-input gate has a delay of 2n
As typical in practice, the transformer taps are adjusted in steps, with each step changing the tap ratio by 0.625%. Because of the varying voltage drops caused by changing loads. LTCs should be ope
A random current is described by the sample space S ={ -4 = i = 12}. A random variable X is defined by (a)Show, by a sketch, the values x into which the values of i are mapped by X. (b)What type of ra
A parallel-plate capacitor has plates with an area of 700 cm2 separated by 1.6 mm. What is the electric field between the plates when they are charged with 1.000×10-6 C
While it's very reliable, it can only supply a maximum power of 60W. If someone tries to draw more than 60W, the output current is reduced to zero and stays there until someone presses a "reset" but
Design a combinational logic circuit on a seven segment in sequential order. Include the "-" betwen the day and the month and the month and year. 1. Show the truth table of values using whatever seven
Show that a Miller integrator implemented with an op amp with open-loop gain A0 has a low-pass STC transfer function. What is the pole frequency of the STC function. How does this compare with the p
The input signal is 10 sin ( 2 pi 1592 t + 0degrees ) applied to a series RLC circuit with resistor R = 1000 ohm and inductor L = 0.2 H, and C = 0.1 micro F. what is The value of the total circuit c
Design a logic circuit that receives an 8-bit binary number as input and determines the location of the most-significant "1" in that binary number. The output of your circuit is the location given u
For the vector field E = 5exp(-2r)rˆ - 3rzˆ calculate the divergence in cylindrical coordinates. Verify the divergence theorem for the cylindrical region enclosed by r=2, z=0 to 4.
A two port amplifier has been designed to match the source and load resistances Rin = 1k ohms, Rout = 16 ohms, A = 50dB. What is the amplitude of the input signal needed to deliver 1W to the 16 ohm
Design a common source amplifier, to solve a small signal voltage gain of at least Av= Vo/Vi= -10 Rl= 20k ohms, Rd= 200kohms. Assume the q point is chosen at Idq= 1mA, and Vdsq= 10V, Let Vtn= 2V, and
From a simple pn junction diode, predict the expected relative magnitudes of ac capacitances in a bipolar junction transistor under normal operating conditions(base emitter junction forward biased a
A point charge of 500π [nC] is located at the origin, an infinite uniform line charge with density of 18π[nC/m] lies along the z axis, and a uniform surface charge density of 2 [nC/m2] lies on
Determine the I/O difference equation relating the input x(n) and the output y(n) for the following LTI systems with the impulse response: h(n)=(0.4)u(n)+(-0.4)^n u(n), where u(n) is the unit step sa
A wire carries a constant current of 607. mA. How many coulombs flow past a given point in the wire in 2.00 sec
A charge 'q' is uniformly distributed along an insulating straight wire of length '2l' Find an expression for the electric potential at a point located a distance d from the distribution along its p
A 9-V flashlight battery has a rating of 1.8 kWh. If the bulb draws a current of 100 mA when lit, determine the following: (a) For how long will the flashlight provide illumination (b) How much energy
(a) What is the peak instantaneous power of the laser (b) If only 100 pulses can be generated per second, what is the average power output of the laser
(a) list the minterms and maxterms of each function (b) list the minterms of ~E and then ~F (c) list the miinterms of E+F and then E.F (d) express E and then F in sum-of-minterms algebraic forms
In a particular IC design in which the standard channel length is 2µm, an NMOS device with W/L of 5 operating at 100µA is found to have an output resistance of 0.5MO, about 1/4 of that n