Step-by-step with explanation.B) The interface shown can be used for low-current LEDs. Assume the LED voltage drop is 2.5 V. The resistor is 5Kohm. When the software outputs a high, the voltage on PPO becomes 4.89 V. When the software outputs a low, the voltage on PPO becomes 0.4 V. What is the LED current when the LED is on? (Vdd=+5V) B) The interface shown can be used for low current LEDs. Assume the LED voltage dropis 2.5 V. The resistor is 5KQ. When the software outputs a high, the voltage on PPO becomes4.89 V. When the software outputs a low, the voltage on PPO becomes 0.4 V. What is the LEDcurrent when the LED is on? (Vdd=+5V)PPO+5 V

Given: with R= 5 K Ohm, VDD = 5 V, LED voltage drop = 2.5 V, PPO = 0.4 V when LED is on. To find:…

Answered: B) The interface shown can be used for…

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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Step-by-step with explanation.

B) The interface shown can be used for low-current LEDs. Assume the LED voltage drop is 2.5 V. The resistor is 5Kohm. When the software outputs a high, the voltage on PPO becomes 4.89 V. When the software outputs a low, the voltage on PPO becomes 0.4 V. What is the LED current when the LED is on? (Vdd=+5V)

B) The interface shown can be used for low current LEDs. Assume the LED voltage drop
is 2.5 V. The resistor is 5KQ. When the software outputs a high, the voltage on PPO becomes
4.89 V. When the software outputs a low, the voltage on PPO becomes 0.4 V. What is the LED
current when the LED is on? (Vdd=+5V)
PPO
+5 V

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