![]() You should find Q to be about 3.18 if Ive done my sums right. Bandwidth is defined as the 3dB points on the bode plot (green curve on your plot) and Q is centre frequency divided by bandwidth. In bode plot the horizontal axis represents frequency on a logarithmic scale and the vertical axis represents either the amplitude or the phase of the frequency response function. Resonance is where it peaks at maximum (or when the phase goes through zero degrees). I found out that you can also right click on the cursors and choose 'set Y-value' or something, and they will automatically go to the frequency. You can also attach a bode analyzer to your circuit, and use cursors that way. The Bode Plot is the frequency response plot of linear systems represented in the form of logarithmic plots. Hi, Multisim version 9 lets you run an AC analysis, and use cursors to measure bandwidth, just like you would in the lab. ![]()
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