in a non-magnetic material, the frequency is 100 MHz and the complex internal impedance
as expressed.
(a) Calculate the damping constant .
(b) Calculate the phase constant.
in a non-magnetic material, the frequency is 100 MHz and the complex internal impedance as expressed....
A uniform plane wave with frequency 2 GHz propagates in non-magnetic material with &,-3 and σ 0.1 S /m. (a) Determine the loss tangent of the material. (b) The propagation constant (phase constant) and the attenuation constant. (c) What is the materials wave impedance (intrinsic impedance) (d)The wavelength, phase velocity, and the skin depth (e) If the E-field amplitude at z-0 is 20V/m, what will be the E-field amplitude after propagation a distance of 1.5 m? (f) What is the...
6.) A wave is transmitted through an antenna with a frequency of 100 MHz, is travelling in a lossless medium (5 Ma (5 Mar (3 Ma having the relative permittivity(Er) and relative permeability (),18 and 1 respectively, Determine; a. Attenuation factor b. Phase shift constant c. Velocity of propagation
[50] You have a load with impedance (10+j10)? at the design frequency, f-100 MHz, that you want to match to a 50? transmission line (v,-3.108m/s). Using Smith charts, construct matching networks using the following elements: (a) a short-circuited parallel stub, (b) an open- circuited parallel stub, (c) a short-circuited series stub, (d) an open-circuited series stub, (e) a quarter-wave transformer. Assume ideal components. Specify the length of each transmission line in meters. ·
3. A square wave has a frequency of 100 MHz. (a) What is the frequency of the fundamental signal, fo? fo (b) What is the frequency of the 5th harmonic, fs? fs- (e) What is the wavelength of the Sh harmonic, às? Take speed of light, u 3 x 10 m/s (d) What is the bandwidth of the signal if the 13h harmonic is the last harmonic?
1. A magnetic field, 7, propagates in a material with uy = 4 and &r=4 and is given by H=-v8cos(@t + Bx)+34 cos(@t + Bx). The frequency of operation is 8 GHz. Find: a) the wave number, , b) the phase velocity, vp, c) the intrinsic impedance of the material, n, d) the instantaneous (time domain) expression for the electric field, E.
Determine resonant frequency, amplitude, impedance, and phase angle. (b) Suppose the circuit parameters in a series RLC circuit are: L = 1.0 uH, C = 10.0 nF, R= 10092, and the source voltage is 220 V. Determine the resonant frequency of the circuit and the amplitude of the current at resonance. If the frequency of the input voltage source is 50 Hz, calculate the impedance and the phase angle. f = 1 / 2 x 5c = 1/2 X 511...
1. Hysteresis loss in a magnetic material is proportional to square of frequency and Eddy current loss can be reduced by using a high permeability magnetic material. True or false? 1 point 2. A sinusoidal voltage impressed on a coil wound around a closed magnetic circuit made of M-5 electrical steel will lead to non-sinusoidal flux and non-sinusoidal exciting current. True or False? 1 point 3. An open Delta connection can operate at a) 58% b) 68% c) 78% of...
(a) A low-loss coaxial cable is required for a 100 MHz project. The diameter of the inner conductor (copper, σc = 5.7×107 S/m) and the outer diameter of the dielectric to be 2 mm and 7.75 mm, respectively. The dielectric inside this cable is XLPE polyethylene (εr = 2.2, σ = 2.5×10-6 S/m). Please calculated the per-unit-length inductance and per-unit-length conductance; (b) Find the characteristic impedance and its phase constant; (c) A two-wire transmission line is used instead where an...
A coaxial cable 2 x 10% m/s) having a characteristic impedance of 100 Ω is driven at a frequency of 4 MHz and is 5 m in length. The line is ter- minated in a load of ŽL-: (150-j50) Ω and the source is Vs 10/0 V with Zs - 25 2. Determine the input and output voltages to the line using (a) the transmission-line model and (b) the approximate, lumped-pi model. [Exact: V(0) 7.954/-6578 , V(y) 10.25/-33.6 ; approxi-...
.1 A visco-elastic material is described by means of a Maxwell model. The model consists of a linear dashpot, with damping coefficient c in series with a linear spring, with spring constant c (see figure below. The numerical values for the material properties are: INc Cn 0.8 104[Ncs] 8 104 (a) (b) Derive the differential equation for this model. Give the response for a unit step in the strain. Make a drawing of the response (c) The material is subjected...