EE 230 Electronic Circuits & Systems G. Tuttle

Zener diode practice problems
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Read the Zener diode class notes.


For the zener diode circuit shown,

  • R = 680 Ω
  • VS = 71 V
  • IS = 89 mA

The breakdown voltage of the Zener diode is 7.5 V.

Calculate the currents iR and iZ, and the voltage across the Zener diode, vZ.

Answers