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use the method of recursion to solve the following problems: compute y[n] for n = 0,1.2, when x[n] = 0 for all n andy[-l] = 2. Compute y[n] for n = 0,1.2, when x[n] = u[n]and y[-l] = 0. Compute y[n] f
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 u
Consider an electron in a cubic crystal of a semiconductor material. Such an electron is free to move throughout the cubic volume of the crystal, but cannot escape outside the cube. It is trapped in
Find the voltage drop Vab where a is the point (1,0,0) and b is (2,pi/2,1). In the the description of these points, the cylindrical coordinate notation (p,phi,z) is used, where dimensions are in [m]
Assuming exact valued resistors what output voltage (measure to ground) and equivalent output resistance result if the resistor used are not ideal but have a +-5% manufacturing tolerance what are th
consider a system with a 0.1mw transmit power unit gain for the transmit and receive antennas operating at 50 mhz carrier frequency with a 100khz bandwidth.the system operates in a suburban environm
A hemispherical surface defined by a radius r = 5 [m] and z>0 has a surface charge density of RHOs = 2(sin theta)(cos^2 phi) [C/m^2]. Find the total charge on the surface.
a). Find the resistance of the aluminum wire 1 m long and 1 mm in diameter. For aluminum, resistivity is 2.8e-6 ohm-cm. b). What is the voltage drop across the wire for a current of 1 A The strength o
isible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.58 m from the grating. In the first-order spectrum
An amplifier with a voltage gain of +40 dB, an input resistance of 10 k ohms and an output resistance of 1 kohm is used to drive a 1 k ohms load. what is the value of Avo. Find the value of the powe
A manufacturer specification sheet lists the transfer function of a pressure sensor as 45±5% mV/kPa with a time constant of 4±10%. A highly accurate test system applies a step change o
A 50-cm-long copper wire with a cross-sectional area 1.2286x10^-10 m^2 is used to connect a voltage source and a device. What is the maximum voltage if the current is required to be not bigger than
In use its arms are stretched to three times their original length before release. Assume the the modulus of rubber is 10-3 GPa and that it does not change when the rubber is stretched. How much ene
An LED with a rated range of Vf = 1.4 V to 1.8 V at If = 20 mA is connected to a driver circuit with a peak output of 14 V. What value of current. limiting resistor would be needed to limit the LED
Electrostatic scaling: prove that electrostatic force between the two plates of a charged capacitor is a surface force (~L2); How about the stored energy under constant voltage on the capacitor (~L1
how long will it take to transmit the three ASCII code to characters $14 in 8 bit parallel if the clock frequency is 8 MHz? Repeat for $78.18 at 4.17 MHz
show that the resistivity of intrinsic Ge at 300k is 44.44 ohm-cm. If donor impurity is added to an extent of 1 atom per 10^8 Ge atoms, prove that the resistivity of the Ge sample drops to 4.42 ohm-
Consider an open-ended cylindrical tube (infinitesimally thin walls) of radius a and total length 2h. A total charge Q is uniformly distributed over the surface of the tube. Find an expression for t
A particular inverting amplifier with nominal gain of -100 V/V uses an imperfect op amp in conjunction with 100-k-ohm and 10-M-ohm resistors. The output voltage is found to be +9.31 V when measured wi
When communicating with a geostationery satellite from earth,the distance between transmitter and receiver is approximately 35000km.assume that the friis law for free space loss is applicable and t
A switch with a single-bit output chooses which of the two 8-bit streams will be passed on a display's single 8-bit input. Create a circuit to connect the two video sources, the switch, and the disp
A constant current, I, is applied to charge a parallel plate capacitor of area A and separation between plates, d. What is the E field strength inside the capacitor as a function of time What is the d
Make a sketch of the band diagram for an n-type semiconductor and a p-type semiconductor doped with phosphorus and boron at 5*10^15/cm^3 respectively. Label all the features of your drawing, as well
Assuming that the energy gap does not change with temperature, calculate the intrinsic electron concentration at the two temperatures. Look up the data for silicon that you need. Give your answer in