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Overall Voltage Gain of Source Follower Formula

GoOverall Feedback Voltage Gain of Common-Collector Amplifier Formula

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Overall voltage gain is a ratio of equal units (power out / power in, voltage out / voltage in, or current out / current in). Check FAQs

G v = \frac{R L}{R L + \frac{1}{g mp}}

G_v - Overall Voltage Gain?R_L - Load Resistance?g_mp - MOSFET Primary Transconductance?

Overall Voltage Gain of Source Follower Example

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Here is how the Overall Voltage Gain of Source Follower equation looks like with Values.

Here is how the Overall Voltage Gain of Source Follower equation looks like with Units.

Here is how the Overall Voltage Gain of Source Follower equation looks like.

0.9524 = \frac{1.013}{1.013 + \frac{1}{19.77}}

0.9524 = \frac{1.013kΩ}{1.013kΩ + \frac{1}{19.77mS}}

0.9524 = \frac{1.013}{1.013 + \frac{1}{19.77}}

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Overall Voltage Gain of Source Follower Solution

Follow our step by step solution on how to calculate Overall Voltage Gain of Source Follower?

FIRST Step Consider the formula

G v = \frac{R L}{R L + \frac{1}{g mp}}

Next Step Substitute values of Variables

∴

G v = \frac{1.013kΩ}{1.013kΩ + \frac{1}{19.77mS}}

Next Step Convert Units

∴

G v = \frac{1013Ω}{1013Ω + \frac{1}{0.0198S}}

Next Step Prepare to Evaluate

∴

G v = \frac{1013}{1013 + \frac{1}{0.0198}}

Next Step Evaluate

∴

G v = 0.952442120872154

LAST Step Rounding Answer

∴

G v = 0.9524

Overall Voltage Gain of Source Follower Formula Elements

Variables

Overall Voltage Gain

Overall voltage gain is a ratio of equal units (power out / power in, voltage out / voltage in, or current out / current in).

Symbol: G_v

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Overall Voltage Gain

Load Resistance

Load resistance is the resistance value of load given for the network.

Symbol: R_L

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Load Resistance

MOSFET Primary Transconductance

MOSFET Primary Transconductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage.

Symbol: g_mp

Measurement: TransconductanceUnit: mS

Note: Value should be greater than 0.

Formulas to find MOSFET Primary Transconductance

Other Formulas to find Overall Voltage Gain

Go Overall Feedback Voltage Gain of Common-Collector Amplifier

G v = \frac{(β + 1) \cdot R L}{(β + 1) \cdot R L + (β + 1) \cdot R e + R sig}

Other formulas in Common Source Amplifier category

Go Common Base Current Gain

α = (A v \cdot \frac{R e}{R c})

Go Negative Voltage Gain from Base to Collector

A vn = - α \cdot (\frac{R c}{R e})

Go Voltage Gain of Common-Base Amplifier

A v = \frac{V c}{V e}

Go Overall Voltage Gain of Common-Emitter Amplifier

G fv = - g mp \cdot (\frac{R in}{R in + R sig}) \cdot {(\frac{1}{R c} + \frac{1}{R L} + \frac{1}{R out})}^{- 1}

How to Evaluate Overall Voltage Gain of Source Follower?

Overall Voltage Gain of Source Follower evaluator uses Overall Voltage Gain = Load Resistance/(Load Resistance+1/MOSFET Primary Transconductance) to evaluate the Overall Voltage Gain, The overall voltage gain of source follower formula provides high input impedance and low output impedance, resulting in negligible voltage amplification but efficient impedance matching. Overall Voltage Gain is denoted by G_v symbol.

How to evaluate Overall Voltage Gain of Source Follower using this online evaluator? To use this online evaluator for Overall Voltage Gain of Source Follower, enter Load Resistance (R_L) & MOSFET Primary Transconductance (g_mp) and hit the calculate button.

FAQs on Overall Voltage Gain of Source Follower

What is the formula to find Overall Voltage Gain of Source Follower?

The formula of Overall Voltage Gain of Source Follower is expressed as Overall Voltage Gain = Load Resistance/(Load Resistance+1/MOSFET Primary Transconductance). Here is an example- 0.952308 = 1013/(1013+1/0.01977).

How to calculate Overall Voltage Gain of Source Follower?

With Load Resistance (R_L) & MOSFET Primary Transconductance (g_mp) we can find Overall Voltage Gain of Source Follower using the formula - Overall Voltage Gain = Load Resistance/(Load Resistance+1/MOSFET Primary Transconductance).

What are the other ways to Calculate Overall Voltage Gain?

Here are the different ways to Calculate Overall Voltage Gain-

Overall Voltage Gain=((Collector Base Current Gain+1)*Load Resistance)/((Collector Base Current Gain+1)*Load Resistance+(Collector Base Current Gain+1)*Emitter Resistance+Signal Resistance)

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