Timeline for Where to find derivation of s'' (stability factor for beta) for BJTs?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Jun 19, 2014 at 17:09 | comment | added | LvW | I have to apologize, because I didn´t realize that the stability S with respect to beta was wanted. Therefore, both of my comments do not apply anymore. | |
| Jun 19, 2014 at 15:36 | comment | added | LvW | Sorry - forget my last comment. Only now I have realized that you are interested in s'' or s(beta) only. | |
| Jun 19, 2014 at 14:41 | comment | added | LvW | More than that, you have replaced the derivative by the ratio of two finite differences. This can be done, however, if you know proper values for Ic1, Ic2 and the beta values only, do you? | |
| Jun 19, 2014 at 13:07 | comment | added | LvW | :I didn´t recalculate your result. However, I am afraid - it is not correct. I think, the stability figure must NOT have a unit (instead it must be dimensionless). In your case, the figure "s" is given as a current ("Amperes"). | |
| Jun 19, 2014 at 9:35 | history | answered | Phil S | CC BY-SA 3.0 |