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,

  • R1 = 470 Ω
  • R2 = 180 Ω
  • VS = 54 V
  • IS = 12 mA

The breakdown voltage of the Zener diode is 15 V.

Calculate the currents iR1, iR2, and iZ, and the voltage across the Zener diode, vZ.

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