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Design a four-section Che by shev matching transformer to match a 50 Ω line to a 30 Ω load. The maximum permissible SWR over the pass band is 1.25. What is the resulting bandwidth? Use the approximate theory developed in the text, as opposed to the tables. Use CAD to plot the input SWR versus frequency.
Three 5 ohm resistors are connected in wye across a 3-phase,480V line. Calculate the current flowing in each. If one of the resistors is disconnected, calculate the current that flows in the remaining two.
Assume the mass of the cup and water to be equal to the mass of water alone. Calculate the normal force FN for 300 g and 150 g.
(1) If you have a transformer that is not in a circuit, how can you tell/determine what the ratio is (2) How do you tell if a diode is forward or bias. How much voltage is assumed dropped across a forward biased silicon diode.
You must work the problem and also find the results using any of the available software (Mutisim, PSpice, Proteus, etc.) You will be asked to explain your results in next Class meeting (oral explanation).
A square pulse train (i.e. square wave) with low and high voltage values of VL= 0 and VH= 2.9 volts is applied to a DC voltmeter. The voltage measured by the instrument is 0.2 volts. The same signal is applied to an 99 O resistor.
question 1the matlab file psa9p12.m should be used for this question.loads at peak timebus 2nbsp 100 mw 0 mvar bus 3
How do resistors add in parallel versus in series? How do capacitors add in parallel versus in series? Are they different?
A 300 V, 60 A, 1200 rpm series dc motor has an armature and series field resistance of .2 ohms each. When a .10 ohm resistance is connected in parallel to the winding, the motor's torque is doubled.
show that for a square matrics the linear dependence of the row vectors imples the column vectors.conversely for a non square matrics either row vectors or column vectors are linear dependent.
In the electronics business, mark-up is in the order of 100% to 130% at each level of middleman. Let's say that it is 100%. Let's further say that your product passes through three levels of middleman, that your product is produced in accordance
Explain why the low value (0) for the 'output' of a digital logic gate is lower than the low value for the 'input' of a digital logic gate (This is the case for CMOS and Bipolar logic). Look at a specsheet.
Consider a source-free parallel RLC circuit having alpha =10^8 s^-1, omega-sub-zero = 10^3 rad/s, and omega-sub-zero * L = 5 ohm. a) Show that the stated units of omega-sub-zero * L are correct. b) Compute s_1and s_2.
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