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Transconductance of CC-CB Amplifier Formula

GoTransconductance of Source-Follower Formula

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Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device. Check FAQs

g m = \frac{2 \cdot A v}{(\frac{R t}{R t + R sig}) \cdot R L}

g_m - Transconductance?A_v - Voltage Gain?R_t - Resistance?R_sig - Signal Resistance?R_L - Load Resistance?

Transconductance of CC-CB Amplifier Example

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Here is how the Transconductance of CC-CB Amplifier equation looks like with Values.

Here is how the Transconductance of CC-CB Amplifier equation looks like with Units.

Here is how the Transconductance of CC-CB Amplifier equation looks like.

4.8281 = \frac{2 \cdot 0.998}{(\frac{0.48}{0.48 + 1.25}) \cdot 1.49}

4.8281mS = \frac{2 \cdot 0.998}{(\frac{0.48kΩ}{0.48kΩ + 1.25kΩ}) \cdot 1.49kΩ}

4.8281 = \frac{2 \cdot 0.998}{(\frac{0.48}{0.48 + 1.25}) \cdot 1.49}

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Transconductance of CC-CB Amplifier Solution

Follow our step by step solution on how to calculate Transconductance of CC-CB Amplifier?

FIRST Step Consider the formula

g m = \frac{2 \cdot A v}{(\frac{R t}{R t + R sig}) \cdot R L}

Next Step Substitute values of Variables

∴

g m = \frac{2 \cdot 0.998}{(\frac{0.48kΩ}{0.48kΩ + 1.25kΩ}) \cdot 1.49kΩ}

Next Step Convert Units

∴

g m = \frac{2 \cdot 0.998}{(\frac{480Ω}{480Ω + 1250Ω}) \cdot 1490Ω}

Next Step Prepare to Evaluate

∴

g m = \frac{2 \cdot 0.998}{(\frac{480}{480 + 1250}) \cdot 1490}

Next Step Evaluate

∴

g m = 0.00482813199105145S

Next Step Convert to Output's Unit

∴

g m = 4.82813199105146mS

LAST Step Rounding Answer

∴

g m = 4.8281mS

Transconductance of CC-CB Amplifier Formula Elements

Variables

Transconductance

Transconductance is the ratio of the change in current at the output terminal to the change in the voltage at the input terminal of an active device.

Symbol: g_m

Measurement: Electric ConductanceUnit: mS

Note: Value should be greater than 0.

Formulas to find Transconductance

Voltage Gain

Voltage gain is defined as the ratio of the output voltage to the input voltage.

Symbol: A_v

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Voltage Gain

Resistance

Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.

Symbol: R_t

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Resistance

Signal Resistance

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

Symbol: R_sig

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Signal Resistance

Load Resistance

Load resistance is the cumulative resistance of a circuit, as seen by the voltage, current, or power source driving that circuit.

Symbol: R_L

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Load Resistance

Other Formulas to find Transconductance

Go Transconductance of Source-Follower

g m = f tr \cdot C gs

Other formulas in Response of Differential Amplifier category

Go 3-DB Frequency in Design Insight and Trade-Off

f 3dB = \frac{1}{2 \cdot π \cdot (C t + C gd) \cdot (\frac{1}{\frac{1}{R L} + \frac{1}{R out}})}

Go Amplifier Gain given Function of Complex Frequency Variable

A m = A mid \cdot K

Go Drain Resistance in Cascode Amplifier

R d = \frac{1}{\frac{1}{R in} + \frac{1}{R t}}

Go Gain Bandwidth Product

GB = \frac{g m \cdot R L}{2 \cdot π \cdot R L \cdot (C t + C gd)}

How to Evaluate Transconductance of CC-CB Amplifier?

Transconductance of CC-CB Amplifier evaluator uses Transconductance = (2*Voltage Gain)/((Resistance/(Resistance+Signal Resistance))*Load Resistance) to evaluate the Transconductance, The Transconductance of CC-CB Amplifierrefers to its ability to convert input voltage changes into output current variations, showcasing its amplification efficiency and control over signal strength. Transconductance is denoted by g_m symbol.

How to evaluate Transconductance of CC-CB Amplifier using this online evaluator? To use this online evaluator for Transconductance of CC-CB Amplifier, enter Voltage Gain (A_v), Resistance (R_t), Signal Resistance (R_sig) & Load Resistance (R_L) and hit the calculate button.

FAQs on Transconductance of CC-CB Amplifier

What is the formula to find Transconductance of CC-CB Amplifier?

The formula of Transconductance of CC-CB Amplifier is expressed as Transconductance = (2*Voltage Gain)/((Resistance/(Resistance+Signal Resistance))*Load Resistance). Here is an example- 4828.132 = (2*0.998)/((480/(480+1250))*1490).

How to calculate Transconductance of CC-CB Amplifier?

With Voltage Gain (A_v), Resistance (R_t), Signal Resistance (R_sig) & Load Resistance (R_L) we can find Transconductance of CC-CB Amplifier using the formula - Transconductance = (2*Voltage Gain)/((Resistance/(Resistance+Signal Resistance))*Load Resistance).

What are the other ways to Calculate Transconductance?

Here are the different ways to Calculate Transconductance-

Transconductance=Transition Frequency*Gate to Source Capacitance

Can the Transconductance of CC-CB Amplifier be negative?

No, the Transconductance of CC-CB Amplifier, measured in Electric Conductance cannot be negative.

Which unit is used to measure Transconductance of CC-CB Amplifier?

Transconductance of CC-CB Amplifier is usually measured using the Millisiemens[mS] for Electric Conductance. Siemens[mS], Megasiemens[mS], Mho[mS] are the few other units in which Transconductance of CC-CB Amplifier can be measured.

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Transconductance of CC-CB Amplifier Formula

​GoTransconductance of Source-Follower Formula

Transconductance of CC-CB Amplifier Example

Transconductance of CC-CB Amplifier Solution

Transconductance of CC-CB Amplifier Formula Elements

Other Formulas to find Transconductance

Other formulas in Response of Differential Amplifier category

How to Evaluate Transconductance of CC-CB Amplifier?

FAQs on Transconductance of CC-CB Amplifier

Variable Name

GoTransconductance of Source-Follower Formula