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LED Biasing ⚫ LED max current for standard through-hole LEDs is ~20mA. Calculate R₁ for the circuit in Figure 15 assuming VLED=2.0V, ILED=20mA, Supply+=9.0V (In lab, we will use the first available resistor value larger than the calculated resistance to ensure ILED < 20mA). R₁= (9.0V) • Repeat the calculation of R₁ for the circuit in Figure 15 assuming VLED=3.0V, ILED=20mA, Supply+=9.0V (In lab, we will use the first available resistor value larger than the calculated resistance to ensure ILED< 20mA). R₁= (9.0V) Supply+ GND R1 LED Figure 15: Simple LED Blas Circuit

LED Biasing ⚫ LED max current for standard through-hole LEDs is ~20mA. Calculate R₁ for the circuit in Figure 15 assuming VLED=2.0V, ILED=20mA, Supply+=9.0V (In lab, we will use the first available resistor value larger than the calculated resistance to ensure ILED < 20mA). R₁= (9.0V) • Repeat the calculation of R₁ for the circuit in Figure 15 assuming VLED=3.0V, ILED=20mA, Supply+=9.0V (In lab, we will use the first available resistor value larger than the calculated resistance to ensure ILED< 20mA). R₁= (9.0V) Supply+ GND R1 LED Figure 15: Simple LED Blas Circuit

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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LED Biasing ⚫ LED max current for standard through-hole LEDs is ~20mA. Calculate R₁ for the circuit in Figure 15 assuming VLED=2.0V, ILED=20mA, Supply+=9.0V (In lab, we will use the first available resistor value larger than the calculated resistance to ensure ILED < 20mA). R₁= (9.0V) • Repeat the calculation of R₁ for the circuit in Figure 15 assuming VLED=3.0V, ILED=20mA, Supply+=9.0V (In lab, we will use the first available resistor value larger than the calculated resistance to ensure ILED< 20mA). R₁= (9.0V) Supply+ GND R1 LED Figure 15: Simple LED Blas Circuit
Transcribed Image Text:LED Biasing ⚫ LED max current for standard through-hole LEDs is ~20mA. Calculate R₁ for the circuit in Figure 15 assuming VLED=2.0V, ILED=20mA, Supply+=9.0V (In lab, we will use the first available resistor value larger than the calculated resistance to ensure ILED < 20mA). R₁= (9.0V) • Repeat the calculation of R₁ for the circuit in Figure 15 assuming VLED=3.0V, ILED=20mA, Supply+=9.0V (In lab, we will use the first available resistor value larger than the calculated resistance to ensure ILED< 20mA). R₁= (9.0V) Supply+ GND R1 LED Figure 15: Simple LED Blas Circuit
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