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For the network of given figure:
a. Write the mathematical expression for the current iL and the voltage vL following the closing of the switch.
b. Determine the mathematical expressions for iL and vL if the switch is opened after a period of five time constants has passed.
c. Sketch the waveforms of iL and vL for the time periods defined by parts (a) and (b).
d. Sketch the waveform for the voltage across R2 for the same period of time encompassed by iL and vL. Take careful note of the defined polarities and directions of given figure.
1 one of the sidebands of an am dsb-lc broadcast station is measured to have a power of 63 dbm.nbspif the modulation is
Consider the battery-charging circuit shown in Figure, in which vs(t) = 20 sin(200 πt),R = 80Ω ,VB = 12V, and the diode is ideal. a. Sketch the current i(t) to scale versus time. b. Determine the average charging current for the battery.
design a circuit with the following:-- 3volts- 1.5v max charge- capacitor 1000 micro ferrand.
A silicon NPN bipolar junction transistor is to be used as an amplifier. What are the required bias conditions for this to occur If the emitter voltage is -3V, pick an acceptable base voltage and an acceptable collector voltage for the transistor ..
Revise the schematic of Exercise 4.1 to include a clock enable and a reset input to the register, using flip-flops with clock-enable and reset inputs.
A reciprocal 2 port microwave device has vswr of 1.5 andan insertion loss of 2db. Find the magnitudes of S- parameters forthe device.
consider a 5 bit binary sequence. A one or zero is equally likely for each bit. Also each bit is statistically independent of the others. Let X be a random variable denoting the number of one in the sequence. Find the density and distribution of X
A 100Ω load needs 10mA to operate correctly. Design a practical power source to provide the needed current. The smallest source resistance you can practically design for is 50Ω, but you can add any other series resistance if you need to.
What NEC states for max. voltage drop? and What are the most Practical Approaches To Minimize Voltage Drop Problems ?
Design a microstrip transmission line with Z0 =100 ohm that will be etched onto a sielectric substrate with er = 3 and a thickness of 4 mm. what should be the width of the microstrip line
For w=w0, compute the ratio of the amplitude of the voltage source over the amplitude of the voltage across the resistor,Q=|U|/V0, when V0=sqrt(2), C=8.2microF, L=7mH, and R=1.5kOhms. Is this ratio larger or smaller than one
Sketch the magnitude characteristic of the transfer function H(jw)using a Bode Plot. Label all critical values and identify the typeof filter the circuit represents. use C= 1000u F, L = 10H, AND R =100 ohms
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