Hfe VERSUS Ic FOR DIFFERENT VALUES OF VCE

The next thing we would like to do is to see how the Hfe versus Ic curve is affected for different values of DC collector-emitter voltage. The curve in the previous example was generated at VCe = 5 V. We would now like to generate four curves at different values of Vce and plot them all on the same graph. We will generate curves at Vce = 2 V, 5 V, 10 V, and 15 V. We will use the same circuit and simulation profile as in the previous section  

Since we have already created a simulation profile from the previous example, we do not need to create a new profile. To open the previous profile, select PSpice and then Edit Simulation PlOfllB from the Capture menus  

The Primary Sweep is set up from the previous example. It is set to sweep IB from I pA to 1 mA at 20 points per decade. To change Vce, we will use a Secondary Sweep. Click the box next to Secondary Sweep and fill in the dialog 

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