Efficiency of Cross Field Amplifier(CFA) Formula

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Efficiency of Cross Field Amplifier refers to the ratio of output power to input power in the device. CFAs are vacuum tube devices used to amplify high-frequency radio-frequency (RF) signals. Check FAQs
ηcfa=Pout-PdrivePdc
ηcfa - Efficiency of Cross Field Amplifier?Pout - CFA RF Power Output?Pdrive - CFA RF Drive Power?Pdc - DC Power Input?

Efficiency of Cross Field Amplifier(CFA) Example

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With units
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Here is how the Efficiency of Cross Field Amplifier(CFA) equation looks like with Values.

Here is how the Efficiency of Cross Field Amplifier(CFA) equation looks like with Units.

Here is how the Efficiency of Cross Field Amplifier(CFA) equation looks like.

0.98Edit=96.46Edit-70Edit27Edit
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Efficiency of Cross Field Amplifier(CFA) Solution

Follow our step by step solution on how to calculate Efficiency of Cross Field Amplifier(CFA)?

FIRST Step Consider the formula
ηcfa=Pout-PdrivePdc
Next Step Substitute values of Variables
ηcfa=96.46W-70W27W
Next Step Prepare to Evaluate
ηcfa=96.46-7027
LAST Step Evaluate
ηcfa=0.98

Efficiency of Cross Field Amplifier(CFA) Formula Elements

Variables
Efficiency of Cross Field Amplifier
Efficiency of Cross Field Amplifier refers to the ratio of output power to input power in the device. CFAs are vacuum tube devices used to amplify high-frequency radio-frequency (RF) signals.
Symbol: ηcfa
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
CFA RF Power Output
CFA RF Power Output which is also known as transmitter power output (TPO) is the actual amount of power of radio frequency (RF) energy that a transmitter produces at its output.
Symbol: Pout
Measurement: PowerUnit: W
Note: Value can be positive or negative.
CFA RF Drive Power
CFA RF Drive Power refers to the radio frequency (RF) power that is applied to the input of the CFA which is usually a weak signal that needs amplification to reach a higher power.
Symbol: Pdrive
Measurement: PowerUnit: W
Note: Value can be positive or negative.
DC Power Input
DC Power Input is the power input through direct current supply.
Symbol: Pdc
Measurement: PowerUnit: W
Note: Value can be positive or negative.

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How to Evaluate Efficiency of Cross Field Amplifier(CFA)?

Efficiency of Cross Field Amplifier(CFA) evaluator uses Efficiency of Cross Field Amplifier = (CFA RF Power Output-CFA RF Drive Power)/DC Power Input to evaluate the Efficiency of Cross Field Amplifier, The Efficiency of Cross Field Amplifier(CFA) formula is a measure of how well it converts DC (direct current) power into RF (radio frequency) power and a higher efficiency indicates that more of the input power is being converted into useful RF output. Efficiency of Cross Field Amplifier is denoted by ηcfa symbol.

How to evaluate Efficiency of Cross Field Amplifier(CFA) using this online evaluator? To use this online evaluator for Efficiency of Cross Field Amplifier(CFA), enter CFA RF Power Output (Pout), CFA RF Drive Power (Pdrive) & DC Power Input (Pdc) and hit the calculate button.

FAQs on Efficiency of Cross Field Amplifier(CFA)

What is the formula to find Efficiency of Cross Field Amplifier(CFA)?
The formula of Efficiency of Cross Field Amplifier(CFA) is expressed as Efficiency of Cross Field Amplifier = (CFA RF Power Output-CFA RF Drive Power)/DC Power Input. Here is an example- 0.925926 = (96.46-70)/27.
How to calculate Efficiency of Cross Field Amplifier(CFA)?
With CFA RF Power Output (Pout), CFA RF Drive Power (Pdrive) & DC Power Input (Pdc) we can find Efficiency of Cross Field Amplifier(CFA) using the formula - Efficiency of Cross Field Amplifier = (CFA RF Power Output-CFA RF Drive Power)/DC Power Input.
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