Page 400

CHAP. 15]

389

CIRCUIT ANALYSIS USING SPICE AND PSPICE

.STEP .AC .PROBE .END

RES LIN

RLOSS(R) 100 500

2 10 3000

2

The resonance curves are shown with greater detail in Fig. 15-29(b).

Fig. 15-29

15.9

Use .TRAN and .PROBE to plot VC across the 1-mF capacitor in the source-free circuit of Fig. 15-30(a) for R ¼ 100, 600, 1100, 1600, and 2100 . The initial voltage is VC ð0Þ ¼ 10 V. The values of the resistor R are changed by using .MODEL and .STEP.

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Mahmood_Nahvi_eBook_Schaum_s_Outlines_Theory_An