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Load Resistance of CG Amplifier Formula

GoLoad Resistance of CS Amplifier Formula

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

R L = R t \cdot (1 + (g m \cdot R in)) - R in

R_L - Load Resistance?R_t - Resistance?g_m - Transconductance?R_in - Finite Input Resistance?

Load Resistance of CG Amplifier Example

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With units

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Here is how the Load Resistance of CG Amplifier equation looks like with Values.

Here is how the Load Resistance of CG Amplifier equation looks like with Units.

Here is how the Load Resistance of CG Amplifier equation looks like.

1.4971 = 0.48 \cdot (1 + (4.8 \cdot 0.78)) - 0.78

1.4971kΩ = 0.48kΩ \cdot (1 + (4.8mS \cdot 0.78kΩ)) - 0.78kΩ

1.4971 = 0.48 \cdot (1 + (4.8 \cdot 0.78)) - 0.78

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Load Resistance of CG Amplifier Solution

Follow our step by step solution on how to calculate Load Resistance of CG Amplifier?

FIRST Step Consider the formula

R L = R t \cdot (1 + (g m \cdot R in)) - R in

Next Step Substitute values of Variables

∴

R L = 0.48kΩ \cdot (1 + (4.8mS \cdot 0.78kΩ)) - 0.78kΩ

Next Step Convert Units

∴

R L = 480Ω \cdot (1 + (0.0048S \cdot 780Ω)) - 780Ω

Next Step Prepare to Evaluate

∴

R L = 480 \cdot (1 + (0.0048 \cdot 780)) - 780

Next Step Evaluate

∴

R L = 1497.12Ω

Next Step Convert to Output's Unit

∴

R L = 1.49712kΩ

LAST Step Rounding Answer

∴

R L = 1.4971kΩ

Load Resistance of CG Amplifier Formula Elements

Variables

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

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

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

Finite Input Resistance

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

Symbol: R_in

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Finite Input Resistance

Other Formulas to find Load Resistance

Go Load Resistance of CS Amplifier

R L = (\frac{V out}{g m \cdot V gs})

Other formulas in Response of CG Amplifier category

Go Amplifier Bandwidth in Discrete-Circuit Amplifier

BW = f h - f L

Go Collector Base Junction Resistance of CE Amplifier

R c = R sig \cdot (1 + g m \cdot R L) + R L

Go Effective High Frequency Time Constant of CE Amplifier

𝜏 H = C be \cdot R sig + (C cb \cdot (R sig \cdot (1 + g m \cdot R L) + R L)) + (C t \cdot R L)

Go High-Frequency Band given Complex Frequency Variable

A m = \sqrt{\frac{(1 + (\frac{f 3dB}{f t})) \cdot (1 + (\frac{f 3dB}{f o}))}{(1 + (\frac{f 3dB}{f p})) \cdot (1 + (\frac{f 3dB}{f p2}))}}

How to Evaluate Load Resistance of CG Amplifier?

Load Resistance of CG Amplifier evaluator uses Load Resistance = Resistance*(1+(Transconductance*Finite Input Resistance))-Finite Input Resistance to evaluate the Load Resistance, Load Resistance of CG Amplifier refers to the opposition to the current flowing through the output transistor when the input signal is applied. This resistance is crucial in determining the amplifier's gain and stability. Load Resistance is denoted by R_L symbol.

How to evaluate Load Resistance of CG Amplifier using this online evaluator? To use this online evaluator for Load Resistance of CG Amplifier, enter Resistance (R_t), Transconductance (g_m) & Finite Input Resistance (R_in) and hit the calculate button.

FAQs on Load Resistance of CG Amplifier

What is the formula to find Load Resistance of CG Amplifier?

The formula of Load Resistance of CG Amplifier is expressed as Load Resistance = Resistance*(1+(Transconductance*Finite Input Resistance))-Finite Input Resistance. Here is an example- 0.001497 = 480*(1+(0.0048*780))-780.

How to calculate Load Resistance of CG Amplifier?

With Resistance (R_t), Transconductance (g_m) & Finite Input Resistance (R_in) we can find Load Resistance of CG Amplifier using the formula - Load Resistance = Resistance*(1+(Transconductance*Finite Input Resistance))-Finite Input Resistance.

What are the other ways to Calculate Load Resistance?

Here are the different ways to Calculate Load Resistance-

Load Resistance=(Output Voltage/(Transconductance*Gate to Source Voltage))

Can the Load Resistance of CG Amplifier be negative?

No, the Load Resistance of CG Amplifier, measured in Electric Resistance cannot be negative.

Which unit is used to measure Load Resistance of CG Amplifier?

Load Resistance of CG Amplifier is usually measured using the Kilohm[kΩ] for Electric Resistance. Ohm[kΩ], Megohm[kΩ], Microhm[kΩ] are the few other units in which Load Resistance of CG Amplifier can be measured.

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Load Resistance of CG Amplifier Formula

​GoLoad Resistance of CS Amplifier Formula

Load Resistance of CG Amplifier Example

Load Resistance of CG Amplifier Solution

Load Resistance of CG Amplifier Formula Elements

Other Formulas to find Load Resistance

Other formulas in Response of CG Amplifier category

How to Evaluate Load Resistance of CG Amplifier?

FAQs on Load Resistance of CG Amplifier

Variable Name

GoLoad Resistance of CS Amplifier Formula