Origin of IL(max) and RL Formulas in Zener Diode Example from Rashid's Microelectronics Circuits

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#1 21672345 14 Sep 2014 07:13

Leandro Pia Leandro Pia

Anonymous

Post #1
21672345 14 Sep 2014 07:13

Hi.
I have a question about an example I found in the book: 'Microelectronics circuits' by Muhammad Rashid. .
The example and the results are shown in the figures below.
My question is about subsection d: ¿Where did the formula IL (max) and RL (Load Resistance) come from?

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#2 21672346 15 Sep 2014 19:02

Franklin Rey Pacquiao Franklin Rey Pacquiao

Anonymous

Post #2
21672346 15 Sep 2014 19:02

Hello
The formula for IL(max) and RL can be derived by using KCL and Ohm's law based on the circuit diagram shown.
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#3 21672347 15 Sep 2014 19:06

Leandro Pia Leandro Pia

Anonymous

Post #3
21672347 15 Sep 2014 19:06

And why do I have to assume Izk = Iz and Vz = Vzo??
#4 21672348 15 Sep 2014 19:21

Franklin Rey Pacquiao Franklin Rey Pacquiao

Anonymous

Post #4
21672348 15 Sep 2014 19:21

The maximum value of IL occurs when Iz is minimum. That is why we assume Izk = Iz and Vz = Vzo.
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