Question: Question 5 [ 2 0 points ] - Simulate the RC circuit shown in Figure 5 , the same as in Figure 2 , using
Question points Simulate the RC circuit shown in Figure the same as in Figure using
Multisim. The circuit is driven by a sinuscidal voltsge source vtVcosomega tV where VV and
omega pi times rads Let Vdeg V be the input phasor voltage, C be the capacitor whose
capacitance is equal to mu F and R be the resistor whose resistance is equal to kOmega Let Vtheta be the
output phasor voltage across the resistor R
For esch of the following questions, sdd screenshets of the Grapher View in Muitisim.
B Perform transient analysis on the circuit to messure the charbeteristics of the source voltage
sid the vaitage acrass the resister R Go to Simulate Anslyses and simulation Transient
snd enter the following values while lesving oll other settingr unchanged:
Anslysis pormeters tob: Start time s Ind time s
Output tab: Selected varisbies for analysis: V V
Enter the messured volues in Toble In the remaining parts, you will be performing the AC Sweep analysis. The AC Sweep analysis lets us measure the steadystate behavior of a circuit as a function of the frequency of the input voltage sinusoid Go to Simulate Analyses and Simulation AC Sweep and set the following values in the tabs leaving all ather settings unchanged:
Frequency parameters tab: Stert frequency mathrm~Hz Stop frequency mathrmMHz Sweep type Decsde, Number of points per decade Vertical scale Linear
Output tab: Selected variables for analysis V W
Click the Run button and answer the following questions from the ac Sweep plot in Grapher Viewer using the cursors.
b What is the maximum amplitude of the voltage across the resistor and at what frequency velues does it occur?
c What is the minimum amplitude of the voltage scross the resistor and at what frequency velues does it occur?
d Glven the shape of the magnitude response, is this circuit s highpass, lowpass, oandpass, or ogngrejest filter?
e Using cursors, mensure the cutoff frequency omegae of this filer.
f The de response of the cirsuit corresponds to the case when Delta Measure the mognitude of the dc response from the AC Sweep plot.
Design Froblem Design a highpass filter based on the circuit in Figure which will attenuate all signals less than kHz and pass all signals greater than kHz with very little attenuation. Suppose the value of C is fixed to mu F What value of the resistor R will you pick such that the Iowpass filter cutoff frequency is kHz Recall the radian frequency omega rads is related to the cyclical frequency fleftmathrm~Hzright by the expression, boldsymbolomegamathbfpi f
Build the above circuit using Multisim and test it to show that the circuit blocks the highfrequency component and allows the lowfrequency component to pass through.
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