For the Element Abuse Problem our hacker [Tim Williams] observes that N-P-N reads the identical manner forwards and backwards, so… what occurs if we reverse bias one? (Be aware: this comment about N-P-N studying the identical ahead and backward is a lighthearted joke; the truth is the extent of doping within the emitter and collector is completely different so these Ns should not fungible and can exhibit completely different properties and have completely different traits.)
Within the margin you’ll be able to see how the query was initially posed by Bob Pease again in March 18, 1996.
In his article [Tim] mentions that some transistors are particularly designed to function when reverse biased, which [Tim] calls “inverted mode”, whereas most transistors are not designed to work on this trend and that’s the kind of abuse that would harm the part and lead it to malfunction.
However what’s Vout? [Tim] stories that he measured roughly -0.4 volts utilizing his high-impedance meter. We tried this experiment within the lab ourselves however we weren’t in a position to duplicate [Tim]’s consequence; nevertheless there’s a lengthy checklist of potential causes for such an end result. In the event you do that experiment your self we’d love to listen to about your leads to the feedback part!
In the event you’re nonetheless studying about transistors you would possibly like to take a look at our 5 half sequence on transistors as amplifiers, beginning right here: Received’t Anyone, Please, Suppose Of The Transistors!
Due to [Tim] for his submission, we want him the most effective of luck within the competitors!
