SA2_326_SM10_soln

SA2_326_SM10_soln - PartC Bode Diagram 0...

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Part C Part D ܤܹ ؆ 19887 െ 113 ൌ 19774 ௥௔ௗ ൌ 3147 ܪݖ Part E %326 SA2 Solution C=50e-6; L=8.888e-3; w=logspace(0,6,5000); R=0.1; num=[1/R/C 0]; den=[1 1/R/C 1/L/C]; [mag1,ang1]=bode(num,den,w); dB1=20*log10(mag1); R=1; num=[1/R/C 0]; den=[1 1/R/C 1/L/C]; [mag2,ang2]=bode(num,den,w); dB2=20*log10(mag2); R=10; num=[1/R/C 0]; den=[1 1/R/C 1/L/C]; [mag3,ang3]=bode(num,den,w); dB3=20*log10(mag3); -50 -40 -30 -20 -10 0 Magnitude (dB) 10 0 10 1 10 2 10 3 10 4 10 5 10 6 -90 -45 0 45 90 Phase (deg) Bode Diagram Frequency (rad/sec)
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R=100; num=[1/R/C 0]; den=[1 1/R/C 1/L/C]; [mag4,ang4]=bode(num,den,w); dB4=20*log10(mag4); semilogx(w,dB1,w,dB2,w,dB3,w,dB4) xlabel( 'w (rad/s)' ) ylabel( 'mag (dB)' ) title( 'Varying Resistance' ) legend( '0.1 ohm' , '1 ohm' , '10 ohm' , '100 ohm' ) figure semilogx(w,ang1,w,ang2,w,ang3,w,ang4) xlabel( 'w (rad/s)' ) ylabel( 'angle (deg)' ) title( 'Varying Resistance' ) legend( '0.1 ohm' , '1 ohm' , '10 ohm' , '100 ohm' ) 10 0 10 1 10 2 10 3 10 4 10 5 10 6 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 w (rad/s) mag (dB)
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