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10. Here are the specifications for an LED. David proposes to use it to create a high frequency light beam to send data across the room. What colour is the LED's light output? Using information in this sheet estimate the maximum frequency that the LED can be switched at, and explain your reasoning. What is the minimum voltage required to make this device produce light? Sketch the light spectrum from this LED using the data provided. Features: • Tapered Barrel T-1 3/4 Package • High Intensity Red light source with various lens colors and effects • Versatile Mounting on PC Board or Panel • T-1 3/4 with Stand-off Absolute Maximum Ratings: (Ta = +25°C unless otherwise specified) Reverse Voltage, Vr Peak Forward Current (Note 1, l . 5V 1A Power Dissipation (TA = +25°C), PD Derate linearly from 25°C Operating Temperature Range, Topr Storage Temperature Range, Tstg Lead Temperature (During Soldering, 1/16" (1.6mm) from case, 5sec max), TL 180mW 2mW/°C -55° to +100°C -55° to +100°C +260°C Note 1. Pulse Width = 1µs, 0.3% duty cycle. Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Luminous Intensity lv If = 20 mA 0.9 3.0 mcd Peak Wavelength IF = 20 mA - 660 nm If = 20 mA Spectral Line Half Width Forward Voltage 20 nm VE F = 20 mA 1.65 2.0 V Reverse Current VR = 5.0V 100 Reverse Voltage IR = 100 AA 5.0 V Capacitance Viewing Angle V = 0 35 pF 201/2 Between 50% Points 60 degree Rise Time 10% – 90% 50S2 50 ns Fall Time 90% - 10% 502 50 ns > Isl:

10. Here are the specifications for an LED. David proposes to use it to create a high frequency light beam to send data across the room. What colour is the LED's light output? Using information in this sheet estimate the maximum frequency that the LED can be switched at, and explain your reasoning. What is the minimum voltage required to make this device produce light? Sketch the light spectrum from this LED using the data provided. Features: • Tapered Barrel T-1 3/4 Package • High Intensity Red light source with various lens colors and effects • Versatile Mounting on PC Board or Panel • T-1 3/4 with Stand-off Absolute Maximum Ratings: (Ta = +25°C unless otherwise specified) Reverse Voltage, Vr Peak Forward Current (Note 1, l . 5V 1A Power Dissipation (TA = +25°C), PD Derate linearly from 25°C Operating Temperature Range, Topr Storage Temperature Range, Tstg Lead Temperature (During Soldering, 1/16" (1.6mm) from case, 5sec max), TL 180mW 2mW/°C -55° to +100°C -55° to +100°C +260°C Note 1. Pulse Width = 1µs, 0.3% duty cycle. Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Luminous Intensity lv If = 20 mA 0.9 3.0 mcd Peak Wavelength IF = 20 mA - 660 nm If = 20 mA Spectral Line Half Width Forward Voltage 20 nm VE F = 20 mA 1.65 2.0 V Reverse Current VR = 5.0V 100 Reverse Voltage IR = 100 AA 5.0 V Capacitance Viewing Angle V = 0 35 pF 201/2 Between 50% Points 60 degree Rise Time 10% – 90% 50S2 50 ns Fall Time 90% - 10% 502 50 ns > Isl:

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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10. Here are the specifications for an LED. David proposes to use it to create a high frequency light beam to send data across the room. What colour is the LED's light output? Using information in this sheet estimate the maximum frequency that the LED can be switched at, and explain your reasoning. What is the minimum voltage required to make this device produce light? Sketch the light spectrum from this LED using the data provided. Features: • Tapered Barrel T-1 3/4 Package • High Intensity Red light source with various lens colors and effects • Versatile Mounting on PC Board or Panel • T-1 3/4 with Stand-off Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Reverse Voltage, VR Peak Forward Current (Note 1, If Power Dissipation (TA = +25°C), PD Derate linearly from 25°C Operating Temperature Range, Topr Storage Temperature Range, Tstg Lead Temperature (During Soldering, 1/16" (1.6mm) from case, 5sec max), TL 5V 1A 180mW 2mW/°C -55° to +100°C -55° to +100°C +260°C Note 1. Pulse Width = 1µs, 0.3% duty cycle. Electrical Characteristics: (TẠ = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min | Typ Мax Unit Luminous Intensity lv F = 20 mA 0.9 3.0 mcd Peak Wavelength If = 20 mA 660 nm Spectral Line Half Width Forward Voltage If = 20 mA 20 nm VE F = 20 mA 1.65 2.0 V Reverse Current VR = 5.0V 100 Reverse Voltage IR = 100 A 5.0 V Capacitance V = 0 35 pF Viewing Angle 201/2 Between 50% Points 60 degree Rise Time 10% - 90% 502 50 ns Fall Time 90% - 10% 502 50 ns E > >
Transcribed Image Text:10. Here are the specifications for an LED. David proposes to use it to create a high frequency light beam to send data across the room. What colour is the LED's light output? Using information in this sheet estimate the maximum frequency that the LED can be switched at, and explain your reasoning. What is the minimum voltage required to make this device produce light? Sketch the light spectrum from this LED using the data provided. Features: • Tapered Barrel T-1 3/4 Package • High Intensity Red light source with various lens colors and effects • Versatile Mounting on PC Board or Panel • T-1 3/4 with Stand-off Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Reverse Voltage, VR Peak Forward Current (Note 1, If Power Dissipation (TA = +25°C), PD Derate linearly from 25°C Operating Temperature Range, Topr Storage Temperature Range, Tstg Lead Temperature (During Soldering, 1/16" (1.6mm) from case, 5sec max), TL 5V 1A 180mW 2mW/°C -55° to +100°C -55° to +100°C +260°C Note 1. Pulse Width = 1µs, 0.3% duty cycle. Electrical Characteristics: (TẠ = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min | Typ Мax Unit Luminous Intensity lv F = 20 mA 0.9 3.0 mcd Peak Wavelength If = 20 mA 660 nm Spectral Line Half Width Forward Voltage If = 20 mA 20 nm VE F = 20 mA 1.65 2.0 V Reverse Current VR = 5.0V 100 Reverse Voltage IR = 100 A 5.0 V Capacitance V = 0 35 pF Viewing Angle 201/2 Between 50% Points 60 degree Rise Time 10% - 90% 502 50 ns Fall Time 90% - 10% 502 50 ns E > >
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