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Author Topic: New to simulation  (Read 139 times)
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« on: January 16, 2018, 08:49:59 AM »

I am an electronic design engineer with almost 40 Years experience, but this is my first steps into simulation so please be gentle !
A couple of things that I feel a bit uneasy about after fiddling with very basic transistor circuits. Firstly it seems that I can select a transistor that specwise is not appropriate to the circuit eg a small signal one instead or a power one and the simulator does not complain even though I am passing amps through a 50mA device !
Also how is hfe established ..... looking at spec sheets this can vary depending on collector current and indeed generally can be quite wide, how does the Simulator model handle this ?
I suppose in general how close are the models to the real thing and Why does the simulation not throw up errors is the operating conditions are out with the device capabilities.

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