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The circuit shown below is used to drive an LED with a voltage source. The circuit can also be thought of as a current amplifier in that, with the proper design, ip> i₁. (a) Derive the expression for in in terms of i₁ and the resistors. (b) Design the circuit such that ip = 12 mA and i₁ = 1 mA for v₁ = 5 V. RE

The circuit shown below is used to drive an LED with a voltage source. The circuit can also be thought of as a current amplifier in that, with the proper design, ip> i₁. (a) Derive the expression for in in terms of i₁ and the resistors. (b) Design the circuit such that ip = 12 mA and i₁ = 1 mA for v₁ = 5 V. RE

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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7) The circuit shown below is used to drive an LED with a voltage source. The circuit can also be thought of as a current amplifier in that, with the proper design, ip > i₁. (a) Derive the expression for ip in terms of i₁ and the resistors. (b) Design the circuit such that ip = 12 mA and i₁ = 1 mA for v₁ = 5 V. RE 210 R₁ www + R₂ Mli iD 7 Light OVO
Transcribed Image Text:7) The circuit shown below is used to drive an LED with a voltage source. The circuit can also be thought of as a current amplifier in that, with the proper design, ip > i₁. (a) Derive the expression for ip in terms of i₁ and the resistors. (b) Design the circuit such that ip = 12 mA and i₁ = 1 mA for v₁ = 5 V. RE 210 R₁ www + R₂ Mli iD 7 Light OVO
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