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Load Impedance of Low Noise Amplifier Formula

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Load Impedance is a measure of the resistance that the load presents to current flow at the FET's output. Check FAQs

Z l = \frac{Z in - (\frac{1}{g m})}{α}

Z_l - Load Impedance?Z_in - Input Impedance?g_m - Transconductance?α - Feedback Factor?

Load Impedance of Low Noise Amplifier Example

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Here is how the Load Impedance of Low Noise Amplifier equation looks like with Values.

Here is how the Load Impedance of Low Noise Amplifier equation looks like with Units.

Here is how the Load Impedance of Low Noise Amplifier equation looks like.

10.1881 = \frac{1.07 - (\frac{1}{2.18})}{0.06}

10.1881Ω = \frac{1.07Ω - (\frac{1}{2.18S})}{0.06}

10.1881 = \frac{1.07 - (\frac{1}{2.18})}{0.06}

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Load Impedance of Low Noise Amplifier Solution

Follow our step by step solution on how to calculate Load Impedance of Low Noise Amplifier?

FIRST Step Consider the formula

Z l = \frac{Z in - (\frac{1}{g m})}{α}

Next Step Substitute values of Variables

∴

Z l = \frac{1.07Ω - (\frac{1}{2.18S})}{0.06}

Next Step Prepare to Evaluate

∴

Z l = \frac{1.07 - (\frac{1}{2.18})}{0.06}

Next Step Evaluate

∴

Z l = 10.1880733944954Ω

LAST Step Rounding Answer

∴

Z l = 10.1881Ω

Load Impedance of Low Noise Amplifier Formula Elements

Variables

Load Impedance

Load Impedance is a measure of the resistance that the load presents to current flow at the FET's output.

Symbol: Z_l

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Load Impedance

Input Impedance

Input Impedance is the opposition to current flow into an electrical circuit when a voltage is applied to its input terminals.

Symbol: Z_in

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Input Impedance

Transconductance

Transconductance is a measure of how much current the amplifier can produce for a given input voltage.

Symbol: g_m

Measurement: TransconductanceUnit: S

Note: Value should be greater than 0.

Formulas to find Transconductance

Feedback Factor

Feedback Factor is a critical parameter that determines the stability and noise performance of amplifiers.

Symbol: α

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Feedback Factor

Other formulas in RF Microelectronics category

Go Return Loss of Low-Noise Amplifier

Γ = mod \underset{̲}{u} s {(\frac{Z in - R s}{Z in + R s})}^{2}

Go Voltage Gain of Low Noise Amplifier

A v = g m \cdot R d

Go Voltage Gain of Low Noise Amplifier given DC Voltage Drop

A v = 2 \cdot \frac{V rd}{V gs - V th}

Go Output Impedance of Low Noise Amplifier

R out = (\frac{1}{2}) \cdot (R f + R s)

How to Evaluate Load Impedance of Low Noise Amplifier?

Load Impedance of Low Noise Amplifier evaluator uses Load Impedance = (Input Impedance-(1/Transconductance))/Feedback Factor to evaluate the Load Impedance, The Load Impedance of Low Noise Amplifier formula is defined as a crucial parameter that determines the amplifier's ability to transfer power efficiently to the load and minimize reflections that can distort the signal. Load Impedance is denoted by Z_l symbol.

How to evaluate Load Impedance of Low Noise Amplifier using this online evaluator? To use this online evaluator for Load Impedance of Low Noise Amplifier, enter Input Impedance (Z_in), Transconductance (g_m) & Feedback Factor (α) and hit the calculate button.

FAQs on Load Impedance of Low Noise Amplifier

What is the formula to find Load Impedance of Low Noise Amplifier?

The formula of Load Impedance of Low Noise Amplifier is expressed as Load Impedance = (Input Impedance-(1/Transconductance))/Feedback Factor. Here is an example- 10.18807 = (1.07-(1/2.18))/0.06.

How to calculate Load Impedance of Low Noise Amplifier?

With Input Impedance (Z_in), Transconductance (g_m) & Feedback Factor (α) we can find Load Impedance of Low Noise Amplifier using the formula - Load Impedance = (Input Impedance-(1/Transconductance))/Feedback Factor.

Can the Load Impedance of Low Noise Amplifier be negative?

No, the Load Impedance of Low Noise Amplifier, measured in Electric Resistance cannot be negative.

Which unit is used to measure Load Impedance of Low Noise Amplifier?

Load Impedance of Low Noise Amplifier is usually measured using the Ohm[Ω] for Electric Resistance. Megohm[Ω], Microhm[Ω], Volt per Ampere[Ω] are the few other units in which Load Impedance of Low Noise Amplifier can be measured.

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Load Impedance of Low Noise Amplifier Formula

Load Impedance of Low Noise Amplifier Example

Load Impedance of Low Noise Amplifier Solution

Load Impedance of Low Noise Amplifier Formula Elements

Other formulas in RF Microelectronics category

How to Evaluate Load Impedance of Low Noise Amplifier?

FAQs on Load Impedance of Low Noise Amplifier

Variable Name