Скачать или смотреть Why Don't We Have NEGATIVE Zener Diodes?

We all know how Zener Diodes work yeah? Well if you don't then check out this video All You Need To Know About Zener Diodes To Fix Stuff
   • All You Need To Know About Zener Diodes To...  
But the question here today is why do we only have positive zener diodes. I mean, we do also need to have negative supplies and htey do need regulating... well let's take a look at this and see if we can work out why.

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Thank you
Richard