Voltage dividers Voltage dividers are quite common in electronics. They are a cheap, easy, and quick way to linearly scale a signal or derive a reference voltage from a source. For example, we may need to scale a 12V signal down to a 3V signal so we can use an ADC to measure it. Ra Vout =V₂ Choose any values for Ra and R, between 1000-9999, calculate Vout. What happens to Vout if you multiply Ra and Rb by 1000? Show your work. Show that Vout will be close to Vin if Ra < Rb. You can do this numerically by calculating Vout for at least 2 different values of Ra, or you may do it mathematically by setting up the equations, or you could simulate it. However you choose to do it, please show your work. Show that Vout will be close to OV if Rb < Ra.

Voltage dividers Voltage dividers are quite common in electronics. They are a cheap, easy, and quick way to linearly scale a signal or derive a reference voltage from a source. For example, we may need to scale a 12V signal down to a 3V signal so we can use an ADC to measure it. Ra Vout =V₂ Choose any values for Ra and R, between 1000-9999, calculate Vout. What happens to Vout if you multiply Ra and Rb by 1000? Show your work. Show that Vout will be close to Vin if Ra < Rb. You can do this numerically by calculating Vout for at least 2 different values of Ra, or you may do it mathematically by setting up the equations, or you could simulate it. However you choose to do it, please show your work. Show that Vout will be close to OV if Rb < Ra.

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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Concept explainers

Voltage Division Method

In the electronics branch, a voltage divider is required to produce a section of its input voltage as an output. This basic circuit may be prepared with two resistors or any passive elements along with the voltage source. The circuit resistors are attached in series and a voltage source is braced across these resistors. The input voltage can be transferred between the resistors in the circuit for the voltage division to occur. The SI unit of electrical resistance is ohm (Ω) or kilo-ohms (kΩ).

Question

Voltage dividers
Voltage dividers are quite common in electronics. They are a cheap, easy, and quick way to linearly scale
a signal or derive a reference voltage from a source. For example, we may need to scale a 12V signal
down to a 3V signal so we can use an ADC to measure it.
I
Vo-
Ra
Vout =V₂
Choose any values for R₂ and R, between 1000-99990, calculate Vout. What happens to Vout if
you multiply Ra and Rb by 1000? Show your work.
Show that Vout will be close to Vin if Ra < Rò. You can do this numerically by calculating Vout for at
least 2 different values of Ra, or you may do it mathematically by setting up the equations, or you could
simulate it. However you choose to do it, please show your work.
Show that Vout will be close to OV if Rb < Ra.

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