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CFA DC Power Input Formula

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DC Power Input is the power input through direct current supply. Check FAQs

P dc = \frac{P out - P drive}{η cfa}

P_dc - DC Power Input?P_out - CFA RF Power Output?P_drive - CFA RF Drive Power?η_cfa - Efficiency of Cross Field Amplifier?

CFA DC Power Input Example

With values

With units

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Here is how the CFA DC Power Input equation looks like with Values.

Here is how the CFA DC Power Input equation looks like with Units.

Here is how the CFA DC Power Input equation looks like.

27 = \frac{96.46 - 70}{0.98}

27W = \frac{96.46W - 70W}{0.98}

27 = \frac{96.46 - 70}{0.98}

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CFA DC Power Input Solution

Follow our step by step solution on how to calculate CFA DC Power Input?

FIRST Step Consider the formula

P dc = \frac{P out - P drive}{η cfa}

Next Step Substitute values of Variables

∴

P dc = \frac{96.46W - 70W}{0.98}

Next Step Prepare to Evaluate

∴

P dc = \frac{96.46 - 70}{0.98}

LAST Step Evaluate

∴

P dc = 27W

CFA DC Power Input Formula Elements

Variables

DC Power Input

DC Power Input is the power input through direct current supply.

Symbol: P_dc

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find DC Power Input

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: P_out

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find CFA RF Power Output

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: P_drive

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find CFA RF Drive Power

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: η_cfa

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Efficiency of Cross Field Amplifier

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How to Evaluate CFA DC Power Input?

CFA DC Power Input evaluator uses DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier to evaluate the DC Power Input, The CFA DC Power Input formula refers to the electrical power supplied to the device to create an electron beam that interacts with the RF (radio frequency) fields inside the device to amplify the input signal in a CFA. DC Power Input is denoted by P_dc symbol.

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

FAQs on CFA DC Power Input

What is the formula to find CFA DC Power Input?

The formula of CFA DC Power Input is expressed as DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier. Here is an example- 25.5102 = (96.46-70)/0.98.

How to calculate CFA DC Power Input?

With CFA RF Power Output (P_out), CFA RF Drive Power (P_drive) & Efficiency of Cross Field Amplifier (η_cfa) we can find CFA DC Power Input using the formula - DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier.

Can the CFA DC Power Input be negative?

Yes, the CFA DC Power Input, measured in Power can be negative.

Which unit is used to measure CFA DC Power Input?

CFA DC Power Input is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which CFA DC Power Input can be measured.

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CFA DC Power Input Formula

CFA DC Power Input Example

CFA DC Power Input Solution

CFA DC Power Input Formula Elements

Other formulas in Special Purpose Radars category

How to Evaluate CFA DC Power Input?

FAQs on CFA DC Power Input

Variable Name