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Hi, I recently bought 10 Zener diodes the last time I purchase circuit elements. I was wondering if anyone had simple circuits or projects I could do, that needs zener diodes.
Reverse biasing the base-emitter junction of a low voltage BJT transsistor (pretty much any type) makes a nice "noisy" zener, with a breakdown voltage of about 5V. Probably a better noise source than a good quality "real" zener!I don't think the classic noise diode is available any more so you have to use something like a zener.