### Zener Diode Circuit Analysis This image features an electrical circuit and specifications related to a Zener diode. Here's the detailed transcription and explanation: #### Circuit Description: - **Components:** - **Vs:** An AC voltage source with a magnitude of 150 V and a phase angle of 0°. - **Resistor 1:** 2 ohms. - **Resistor 2:** 20 ohms. - **Resistor 3:** 250 ohms connected in parallel with the Zener diode. - **Dz:** Zener diode. #### Zener Diode Specifications: - **Vz:** 9 V (Zener breakdown voltage). - **Iz (knee current):** 50 mA. #### Analysis Tasks: a) **Find the minimum value of Vs that causes Dz to become active.** b) **Plot Vz with respect to time for one cycle of Vs.** ### Diagram Explanation: - The diagram shows a simple Zener diode voltage regulation setup where the Zener diode is in parallel with a 250-ohm resistor. Using the voltage supply Vs, the task is to determine conditions under which the Zener diode begins to regulate (become active) and to analyze the voltage across it with time. ### Educational Objectives: This exercise aims to teach students how to analyze simple AC circuits involving Zener diodes, calculating the conditions for Zener diode activation, and graphically representing the diode's voltage characteristics over a complete AC cycle.
### Zener Diode Circuit Analysis This image features an electrical circuit and specifications related to a Zener diode. Here's the detailed transcription and explanation: #### Circuit Description: - **Components:** - **Vs:** An AC voltage source with a magnitude of 150 V and a phase angle of 0°. - **Resistor 1:** 2 ohms. - **Resistor 2:** 20 ohms. - **Resistor 3:** 250 ohms connected in parallel with the Zener diode. - **Dz:** Zener diode. #### Zener Diode Specifications: - **Vz:** 9 V (Zener breakdown voltage). - **Iz (knee current):** 50 mA. #### Analysis Tasks: a) **Find the minimum value of Vs that causes Dz to become active.** b) **Plot Vz with respect to time for one cycle of Vs.** ### Diagram Explanation: - The diagram shows a simple Zener diode voltage regulation setup where the Zener diode is in parallel with a 250-ohm resistor. Using the voltage supply Vs, the task is to determine conditions under which the Zener diode begins to regulate (become active) and to analyze the voltage across it with time. ### Educational Objectives: This exercise aims to teach students how to analyze simple AC circuits involving Zener diodes, calculating the conditions for Zener diode activation, and graphically representing the diode's voltage characteristics over a complete AC cycle.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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
Transcribed Image Text:### Zener Diode Circuit Analysis
This image features an electrical circuit and specifications related to a Zener diode. Here's the detailed transcription and explanation:
#### Circuit Description:
- **Components:**
- **Vs:** An AC voltage source with a magnitude of 150 V and a phase angle of 0°.
- **Resistor 1:** 2 ohms.
- **Resistor 2:** 20 ohms.
- **Resistor 3:** 250 ohms connected in parallel with the Zener diode.
- **Dz:** Zener diode.
#### Zener Diode Specifications:
- **Vz:** 9 V (Zener breakdown voltage).
- **Iz (knee current):** 50 mA.
#### Analysis Tasks:
a) **Find the minimum value of Vs that causes Dz to become active.**
b) **Plot Vz with respect to time for one cycle of Vs.**
### Diagram Explanation:
- The diagram shows a simple Zener diode voltage regulation setup where the Zener diode is in parallel with a 250-ohm resistor. Using the voltage supply Vs, the task is to determine conditions under which the Zener diode begins to regulate (become active) and to analyze the voltage across it with time.
### Educational Objectives:
This exercise aims to teach students how to analyze simple AC circuits involving Zener diodes, calculating the conditions for Zener diode activation, and graphically representing the diode's voltage characteristics over a complete AC cycle.
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