Answer all subparts In the circuit below the LED emits a sufficient light when saturated. Given that: VCC = 10 V, RC = 200 Ω, RB = 3.9 kΩ, βDC = 60, VCE (sat) = 0.2 V and VLED = 1.3 V. - Determine the minimum value of base current. - Determine the amplitude of the input voltage necessary to saturate the transistor. Use double the minimum value of base current as a safety margin to ensure saturation. - Determine the amplitude of the input voltage necessary to cut-off the transistor. - What is the main application when the transistor operation between cut-off and saturation?
Answer all subparts In the circuit below the LED emits a sufficient light when saturated. Given that: VCC = 10 V, RC = 200 Ω, RB = 3.9 kΩ, βDC = 60, VCE (sat) = 0.2 V and VLED = 1.3 V. - Determine the minimum value of base current. - Determine the amplitude of the input voltage necessary to saturate the transistor. Use double the minimum value of base current as a safety margin to ensure saturation. - Determine the amplitude of the input voltage necessary to cut-off the transistor. - What is the main application when the transistor operation between cut-off and saturation?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Answer all subparts
In the circuit below the LED emits a sufficient light when saturated. Given that: VCC = 10 V, RC = 200 Ω, RB = 3.9 kΩ, βDC = 60, VCE (sat) = 0.2 V and VLED = 1.3 V.
- Determine the minimum value of base current.
- Determine the amplitude of the input voltage necessary to saturate the transistor. Use double the minimum value of base current as a safety margin to ensure saturation.
- Determine the amplitude of the input voltage necessary to cut-off the transistor.
- What is the main application when the transistor operation between cut-off and saturation?
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