Transconductance using Collector Current of Transistor Amplifier Calculator

✖Collector current is an amplified output current of a bipolar junction transistor.ⓘ Collector Current [i_c]			+10% -10%
✖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.ⓘ Threshold Voltage [V_t]			+10% -10%

✖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.ⓘ Transconductance using Collector Current of Transistor Amplifier [g_mp]

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Formula

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Transconductance using Collector Current of Transistor Amplifier

Formula

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

Example

19.76 mS = \frac{39.52 mA}{2 V}

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Transconductance using Collector Current of Transistor Amplifier Solution

STEP 0: Pre-Calculation Summary

Formula Used

MOSFET Primary Transconductance = Collector Current/Threshold Voltage
g_mp = i_c/V_t
This formula uses 3 Variables

Variables Used

MOSFET Primary Transconductance - (Measured in Siemens) - 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.
Collector Current - (Measured in Ampere) - Collector current is an amplified output current of a bipolar junction transistor.
Threshold Voltage - (Measured in Volt) - 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.

STEP 1: Convert Input(s) to Base Unit

Collector Current: 39.52 Milliampere --> 0.03952 Ampere (Check conversion here)
Threshold Voltage: 2 Volt --> 2 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

g_mp = i_c/V_t --> 0.03952/2

Evaluating ... ...

g_mp = 0.01976

STEP 3: Convert Result to Output's Unit

0.01976 Siemens -->19.76 Millisiemens (Check conversion here)

FINAL ANSWER

19.76 Millisiemens <-- MOSFET Primary Transconductance

(Calculation completed in 00.004 seconds)

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Birsa Institute of Technology (BIT), Sindri

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< Transistor Amplifier Characteristics Calculators

Current Flowing through Induced Channel in Transistor given Oxide Voltage

Go Output Current = (Mobility of Electron*Oxide Capacitance*(Width of Channel/Length of Channel)*(Voltage across Oxide-Threshold Voltage))*Saturation Voltage between Drain and Source

Current Entering Drain Terminal of MOSFET at Saturation

Go Saturation Drain Current = 1/2*Process Transconductance Parameter*(Width of Channel/Length of Channel)*(Effective Voltage)^2

Total Instantaneous Drain Voltage

Go Total Instantaneous Drain Voltage = Fundamental Component Voltage-Drain Resistance*Drain Current

Input Voltage in Transistor

Go Fundamental Component Voltage = Drain Resistance*Drain Current-Total Instantaneous Drain Voltage

< CV Actions of Common Stage Amplifiers Calculators

Input Resistance of Common Emitter Amplifier

Go Input Resistance = (1/Base Resistance+1/Base Resistance 2+1/Small Signal Input Resistance)^-1

Input Impedance of Common-Base Amplifier

Go Input Impedance = (1/Emitter Resistance+1/Small Signal Input Resistance)^(-1)

Fundamental Voltage in Common-Emitter Amplifier

Go Fundamental Component Voltage = Input Resistance*Base Current

Emitter Current of Common-Base Amplifier

Go Emitter Current = Input Voltage/Emitter Resistance

Transconductance using Collector Current of Transistor Amplifier Formula

MOSFET Primary Transconductance = Collector Current/Threshold Voltage
g_mp = i_c/V_t

What is the use of transconductance in MOSFET?

Transconductance is an expression of the performance of a bipolar transistor or field-effect transistor (FET). In general, the larger the transconductance figure for a device, the greater the gain(amplification) it is capable of delivering, when all other factors are held constant.

How to Calculate Transconductance using Collector Current of Transistor Amplifier?

Transconductance using Collector Current of Transistor Amplifier calculator uses MOSFET Primary Transconductance = Collector Current/Threshold Voltage to calculate the MOSFET Primary Transconductance, The Transconductance using collector current of transistor amplifier is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage. MOSFET Primary Transconductance is denoted by g_mp symbol.

How to calculate Transconductance using Collector Current of Transistor Amplifier using this online calculator? To use this online calculator for Transconductance using Collector Current of Transistor Amplifier, enter Collector Current (i_c) & Threshold Voltage (V_t) and hit the calculate button. Here is how the Transconductance using Collector Current of Transistor Amplifier calculation can be explained with given input values -> 19760 = 0.03952/2.

FAQ

What is Transconductance using Collector Current of Transistor Amplifier?

The Transconductance using collector current of transistor amplifier is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage and is represented as g_mp = i_c/V_t or MOSFET Primary Transconductance = Collector Current/Threshold Voltage. Collector current is an amplified output current of a bipolar junction transistor & 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.

How to calculate Transconductance using Collector Current of Transistor Amplifier?

The Transconductance using collector current of transistor amplifier is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage is calculated using MOSFET Primary Transconductance = Collector Current/Threshold Voltage. To calculate Transconductance using Collector Current of Transistor Amplifier, you need Collector Current (i_c) & Threshold Voltage (V_t). With our tool, you need to enter the respective value for Collector Current & Threshold Voltage and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate MOSFET Primary Transconductance?

In this formula, MOSFET Primary Transconductance uses Collector Current & Threshold Voltage. We can use 2 other way(s) to calculate the same, which is/are as follows -

MOSFET Primary Transconductance = (2*Drain Current)/(Voltage across Oxide-Threshold Voltage)
MOSFET Primary Transconductance = Unity Gain Frequency*(Gate to Source Capacitance+Capacitance Gate to Drain)

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