FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Input Voltage of Amplifier Formula

GoInput Voltage at Maximum Power Dissipation Formula

Fx Copy

LaTeX Copy

Input Voltage is the voltage applied by a source from the input terminal. Check FAQs

V in = (\frac{R in}{R in + R si}) \cdot V si

V_in - Input Voltage?R_in - Input Resistance?R_si - Signal Resistance?V_si - Signal Voltage?

Input Voltage of Amplifier Example

With values

With units

Only example

Here is how the Input Voltage of Amplifier equation looks like with Values.

Here is how the Input Voltage of Amplifier equation looks like with Units.

Here is how the Input Voltage of Amplifier equation looks like.

9.5726 = (\frac{28}{28 + 1.25}) \cdot 10

9.5726V = (\frac{28kΩ}{28kΩ + 1.25kΩ}) \cdot 10V

9.5726 = (\frac{28}{28 + 1.25}) \cdot 10

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electronics » Category

Amplifiers » fx Input Voltage of Amplifier

Input Voltage of Amplifier Solution

Follow our step by step solution on how to calculate Input Voltage of Amplifier?

FIRST Step Consider the formula

V in = (\frac{R in}{R in + R si}) \cdot V si

Next Step Substitute values of Variables

∴

V in = (\frac{28kΩ}{28kΩ + 1.25kΩ}) \cdot 10V

Next Step Convert Units

∴

V in = (\frac{28000Ω}{28000Ω + 1250Ω}) \cdot 10V

Next Step Prepare to Evaluate

∴

V in = (\frac{28000}{28000 + 1250}) \cdot 10

Next Step Evaluate

∴

V in = 9.57264957264957V

LAST Step Rounding Answer

∴

V in = 9.5726V

Input Voltage of Amplifier Formula Elements

Variables

Input Voltage

Input Voltage is the voltage applied by a source from the input terminal.

Symbol: V_in

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Input Voltage

Input Resistance

The input resistance is the resistance seen by the current source or voltage source which drives the circuit.

Symbol: R_in

Measurement: Electric ResistanceUnit: kΩ

Note: Value can be positive or negative.

Formulas to find Input Resistance

Signal Resistance

Signal Resistance is the resistance which is fed with the signal voltage source to an amplifier.

Symbol: R_si

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Signal Resistance

Signal Voltage

Signal Voltage refers to the voltage of the input signal that the amplifier is designed to amplify. It is typically measured in volts (V).

Symbol: V_si

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Signal Voltage

Other Formulas to find Input Voltage

Go Input Voltage at Maximum Power Dissipation

V in = \frac{V m \cdot π}{2}

Other formulas in Amplifier Characteristics category

Go Power Gain of Amplifier

A p = \frac{P L}{P in}

Go Current Gain of Amplifier

A i = \frac{I o}{i in}

Go Base Junction Width of Amplifier

w b = \frac{A be \cdot [Charge-e] \cdot D n \cdot n po}{i sat}

Go Differential Voltage in Amplifier

V id = \frac{V o}{(\frac{R 4}{R 3}) \cdot (1 + \frac{R 2}{R 1})}

How to Evaluate Input Voltage of Amplifier?

Input Voltage of Amplifier evaluator uses Input Voltage = (Input Resistance/(Input Resistance+Signal Resistance))*Signal Voltage to evaluate the Input Voltage, The input voltage of amplifier refers to the voltage level at which the amplifier can accurately amplify the input signal. Input Voltage is denoted by V_in symbol.

How to evaluate Input Voltage of Amplifier using this online evaluator? To use this online evaluator for Input Voltage of Amplifier, enter Input Resistance (R_in), Signal Resistance (R_si) & Signal Voltage (V_si) and hit the calculate button.

FAQs on Input Voltage of Amplifier

What is the formula to find Input Voltage of Amplifier?

The formula of Input Voltage of Amplifier is expressed as Input Voltage = (Input Resistance/(Input Resistance+Signal Resistance))*Signal Voltage. Here is an example- 9.57265 = (28000/(28000+1250))*10.

How to calculate Input Voltage of Amplifier?

With Input Resistance (R_in), Signal Resistance (R_si) & Signal Voltage (V_si) we can find Input Voltage of Amplifier using the formula - Input Voltage = (Input Resistance/(Input Resistance+Signal Resistance))*Signal Voltage.

What are the other ways to Calculate Input Voltage?

Here are the different ways to Calculate Input Voltage-

Input Voltage=(Peak Voltage*pi)/2

Can the Input Voltage of Amplifier be negative?

No, the Input Voltage of Amplifier, measured in Electric Potential cannot be negative.

Which unit is used to measure Input Voltage of Amplifier?

Input Voltage of Amplifier is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which Input Voltage of Amplifier can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Input Voltage of Amplifier Formula

​GoInput Voltage at Maximum Power Dissipation Formula

Input Voltage of Amplifier Example

Input Voltage of Amplifier Solution

Input Voltage of Amplifier Formula Elements

Other Formulas to find Input Voltage

Other formulas in Amplifier Characteristics category

How to Evaluate Input Voltage of Amplifier?

FAQs on Input Voltage of Amplifier

Variable Name

GoInput Voltage at Maximum Power Dissipation Formula