FormulaDen.com

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

Transconductance of Transistor Amplifiers Formula

GoTransconductance using Collector Current of Transistor Amplifier Formula

Fx Copy

LaTeX Copy

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. Check FAQs

g mp = \frac{2 \cdot i d}{V ox - V t}

g_mp - MOSFET Primary Transconductance?i_d - Drain Current?V_ox - Voltage across Oxide?V_t - Threshold Voltage?

Transconductance of Transistor Amplifiers Example

With values

With units

Only example

Here is how the Transconductance of Transistor Amplifiers equation looks like with Values.

Here is how the Transconductance of Transistor Amplifiers equation looks like with Units.

Here is how the Transconductance of Transistor Amplifiers equation looks like.

19.7183 = \frac{2 \cdot 17.5}{3.775 - 2}

19.7183mS = \frac{2 \cdot 17.5mA}{3.775V - 2V}

19.7183 = \frac{2 \cdot 17.5}{3.775 - 2}

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 Transconductance of Transistor Amplifiers

Transconductance of Transistor Amplifiers Solution

Follow our step by step solution on how to calculate Transconductance of Transistor Amplifiers?

FIRST Step Consider the formula

g mp = \frac{2 \cdot i d}{V ox - V t}

Next Step Substitute values of Variables

∴

g mp = \frac{2 \cdot 17.5mA}{3.775V - 2V}

Next Step Convert Units

∴

g mp = \frac{2 \cdot 0.0175A}{3.775V - 2V}

Next Step Prepare to Evaluate

∴

g mp = \frac{2 \cdot 0.0175}{3.775 - 2}

Next Step Evaluate

∴

g mp = 0.0197183098591549S

Next Step Convert to Output's Unit

∴

g mp = 19.7183098591549mS

LAST Step Rounding Answer

∴

g mp = 19.7183mS

Transconductance of Transistor Amplifiers Formula Elements

Variables

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

Drain Current

Drain current below threshold voltage is defined as the subthreshold current and varies exponentially with gate to source voltage.

Symbol: i_d

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Drain Current

Voltage across Oxide

Voltage across oxide is due to the charge at the oxide-semiconductor interface and the third term is due to the charge density in the oxide.

Symbol: V_ox

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Voltage across Oxide

Threshold Voltage

Threshold voltage of transistor is the minimum gate to source voltage that is needed to create a conducting path between the source and drain terminals.

Symbol: V_t

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Threshold Voltage

Other Formulas to find MOSFET Primary Transconductance

Go Transconductance using Collector Current of Transistor Amplifier

g mp = \frac{i c}{V t}

Other formulas in Transistor Amplifier Characteristics category

Go Total Instantaneous Drain Voltage

V d = V fc - R d \cdot i d

Go Current Flowing through Induced Channel in Transistor given Oxide Voltage

i o = (μ e \cdot C ox \cdot (\frac{W c}{L}) \cdot (V ox - V t)) \cdot V ds

Go Current Entering Drain Terminal of MOSFET at Saturation

i ds = \frac{1}{2} \cdot k' n \cdot (\frac{W c}{L}) \cdot {(V ov)}^{2}

Go Input Voltage in Transistor

V fc = R d \cdot i d - V d

How to Evaluate Transconductance of Transistor Amplifiers?

Transconductance of Transistor Amplifiers evaluator uses MOSFET Primary Transconductance = (2*Drain Current)/(Voltage across Oxide-Threshold Voltage) to evaluate the MOSFET Primary Transconductance, The Transconductance of transistor amplifiers formula defines the relationship between the change in the output current and the change in the input voltage. It quantifies how effectively the transistor can amplify variations in the input voltage by producing corresponding changes in the output current. MOSFET Primary Transconductance is denoted by g_mp symbol.

How to evaluate Transconductance of Transistor Amplifiers using this online evaluator? To use this online evaluator for Transconductance of Transistor Amplifiers, enter Drain Current (i_d), Voltage across Oxide (V_ox) & Threshold Voltage (V_t) and hit the calculate button.

FAQs on Transconductance of Transistor Amplifiers

What is the formula to find Transconductance of Transistor Amplifiers?

The formula of Transconductance of Transistor Amplifiers is expressed as MOSFET Primary Transconductance = (2*Drain Current)/(Voltage across Oxide-Threshold Voltage). Here is an example- 19718.31 = (2*0.0175)/(3.775-2).

How to calculate Transconductance of Transistor Amplifiers?

With Drain Current (i_d), Voltage across Oxide (V_ox) & Threshold Voltage (V_t) we can find Transconductance of Transistor Amplifiers using the formula - MOSFET Primary Transconductance = (2*Drain Current)/(Voltage across Oxide-Threshold Voltage).

What are the other ways to Calculate MOSFET Primary Transconductance?

Here are the different ways to Calculate MOSFET Primary Transconductance-

MOSFET Primary Transconductance=Collector Current/Threshold Voltage

Can the Transconductance of Transistor Amplifiers be negative?

No, the Transconductance of Transistor Amplifiers, measured in Transconductance cannot be negative.

Which unit is used to measure Transconductance of Transistor Amplifiers?

Transconductance of Transistor Amplifiers is usually measured using the Millisiemens[mS] for Transconductance. Siemens[mS] are the few other units in which Transconductance of Transistor Amplifiers can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

Transconductance of Transistor Amplifiers Formula

​GoTransconductance using Collector Current of Transistor Amplifier Formula

Transconductance of Transistor Amplifiers Example

Transconductance of Transistor Amplifiers Solution

Transconductance of Transistor Amplifiers Formula Elements

Other Formulas to find MOSFET Primary Transconductance

Other formulas in Transistor Amplifier Characteristics category

How to Evaluate Transconductance of Transistor Amplifiers?

FAQs on Transconductance of Transistor Amplifiers

Variable Name

GoTransconductance using Collector Current of Transistor Amplifier Formula