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Load Resistance of CS Amplifier Formula

GoLoad Resistance of CG 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 = (\frac{V out}{g m \cdot V gs})

R_L - Load Resistance?V_out - Output Voltage?g_m - Transconductance?V_gs - Gate to Source Voltage?

Load Resistance of CS Amplifier Example

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

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

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

1.499 = (\frac{28.78}{4.8 \cdot 4})

1.499kΩ = (\frac{28.78V}{4.8mS \cdot 4V})

1.499 = (\frac{28.78}{4.8 \cdot 4})

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Load Resistance of CS Amplifier Solution

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

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

R L = (\frac{28.78V}{4.8mS \cdot 4V})

Next Step Convert Units

∴

R L = (\frac{28.78V}{0.0048S \cdot 4V})

Next Step Prepare to Evaluate

∴

R L = (\frac{28.78}{0.0048 \cdot 4})

Next Step Evaluate

∴

R L = 1498.95833333333Ω

Next Step Convert to Output's Unit

∴

R L = 1.49895833333333kΩ

LAST Step Rounding Answer

∴

R L = 1.499kΩ

Load Resistance of CS 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

Output Voltage

Output voltage signifies the voltage of the signal after it has been amplified.

Symbol: V_out

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Output Voltage

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

Gate to Source Voltage

Gate to source voltage of transistor is the voltage that falls across the gate-source terminal of the transistor.

Symbol: V_gs

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find Gate to Source Voltage

Other Formulas to find Load Resistance

Go Load Resistance of CG Amplifier

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

Other formulas in Response of CS 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 CS Amplifier?

Load Resistance of CS Amplifier evaluator uses Load Resistance = (Output Voltage/(Transconductance*Gate to Source Voltage)) to evaluate the Load Resistance, Load Resistance of CS Amplifier is the resistance that is placed in series with the output circuit of the amplifier. This resistance is used to match the impedance of the amplifier to the load it is driving, ensuring maximum power transfer and minimum distortion. Load Resistance is denoted by R_L symbol.

How to evaluate Load Resistance of CS Amplifier using this online evaluator? To use this online evaluator for Load Resistance of CS Amplifier, enter Output Voltage (V_out), Transconductance (g_m) & Gate to Source Voltage (V_gs) and hit the calculate button.

FAQs on Load Resistance of CS Amplifier

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

The formula of Load Resistance of CS Amplifier is expressed as Load Resistance = (Output Voltage/(Transconductance*Gate to Source Voltage)). Here is an example- 0.001499 = (28.78/(0.0048*4)).

How to calculate Load Resistance of CS Amplifier?

With Output Voltage (V_out), Transconductance (g_m) & Gate to Source Voltage (V_gs) we can find Load Resistance of CS Amplifier using the formula - Load Resistance = (Output Voltage/(Transconductance*Gate to Source Voltage)).

What are the other ways to Calculate Load Resistance?

Here are the different ways to Calculate Load Resistance-

Load Resistance=Resistance*(1+(Transconductance*Finite Input Resistance))-Finite Input Resistance

Can the Load Resistance of CS Amplifier be negative?

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

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

Load Resistance of CS 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 CS Amplifier can be measured.

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Load Resistance of CS Amplifier Formula

​GoLoad Resistance of CG Amplifier Formula

Load Resistance of CS Amplifier Example

Load Resistance of CS Amplifier Solution

Load Resistance of CS Amplifier Formula Elements

Other Formulas to find Load Resistance

Other formulas in Response of CS Amplifier category

How to Evaluate Load Resistance of CS Amplifier?

FAQs on Load Resistance of CS Amplifier

Variable Name

GoLoad Resistance of CG Amplifier Formula