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1. Is it expected that the clamping action produced by the circuit of Figures 1 and 3 if the oscilloscope input coupling were set to AC? Why or why not?

1. Is it expected that the clamping action produced by the circuit of Figures 1 and 3 if the oscilloscope input coupling were set to AC? Why or why not?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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**Question:** 1. Is it expected that the clamping action produced by the circuit of Figures 1 and 3 if the oscilloscope input coupling were set to AC? Why or why not? **Circuit Descriptions:** - **Figure 1:** - **Components:** - Capacitor (C₁): 1µF - Resistor (R₁): 120kΩ - Diode (D₁): 1N4148 - **Connections:** - The input voltage (Vᵢₙ) is applied across the series combination of the capacitor (C₁) and resistor (R₁), both of which are connected in parallel to the diode (D₁). - The output voltage (Vₒᵤₜ) is measured across the diode (D₁), which is connected to the ground. - **Figure 3:** - **Components:** - Capacitor (C₁): 1µF - Resistor (R₁): 120kΩ - Transistor (Q₁): 2N2222 - Resistor (R₂): 1kΩ - Power Supply: +12V - **Connections:** - The input voltage (Vᵢₙ) is applied across the series combination of the capacitor (C₁) and resistor (R₁). - The transistor (Q₁) is used here as an amplifier/switch, with its base connected to the junction of capacitor (C₁) and resistor (R₁). - The collector of Q₁ is connected to a +12V power supply through resistor (R₂). - The output voltage (Vₒᵤₜ) is taken from the collector of the transistor (Q₁) and connected to the ground. **Explanation of Potential Clamping Action:** - The clamping action in these circuits depends on the arrangement of the diode in Figure 1 or the transistor in Figure 3. - With AC coupling on an oscilloscope, DC components are blocked, which may affect the observation of certain behaviors crucial for clamping, such as establishing a fixed DC level through DC biasing. **Conclusion:** To understand the effect of setting the oscilloscope input coupling to AC,
Transcribed Image Text:**Question:** 1. Is it expected that the clamping action produced by the circuit of Figures 1 and 3 if the oscilloscope input coupling were set to AC? Why or why not? **Circuit Descriptions:** - **Figure 1:** - **Components:** - Capacitor (C₁): 1µF - Resistor (R₁): 120kΩ - Diode (D₁): 1N4148 - **Connections:** - The input voltage (Vᵢₙ) is applied across the series combination of the capacitor (C₁) and resistor (R₁), both of which are connected in parallel to the diode (D₁). - The output voltage (Vₒᵤₜ) is measured across the diode (D₁), which is connected to the ground. - **Figure 3:** - **Components:** - Capacitor (C₁): 1µF - Resistor (R₁): 120kΩ - Transistor (Q₁): 2N2222 - Resistor (R₂): 1kΩ - Power Supply: +12V - **Connections:** - The input voltage (Vᵢₙ) is applied across the series combination of the capacitor (C₁) and resistor (R₁). - The transistor (Q₁) is used here as an amplifier/switch, with its base connected to the junction of capacitor (C₁) and resistor (R₁). - The collector of Q₁ is connected to a +12V power supply through resistor (R₂). - The output voltage (Vₒᵤₜ) is taken from the collector of the transistor (Q₁) and connected to the ground. **Explanation of Potential Clamping Action:** - The clamping action in these circuits depends on the arrangement of the diode in Figure 1 or the transistor in Figure 3. - With AC coupling on an oscilloscope, DC components are blocked, which may affect the observation of certain behaviors crucial for clamping, such as establishing a fixed DC level through DC biasing. **Conclusion:** To understand the effect of setting the oscilloscope input coupling to AC,
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