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CFA DC Power Input Calculator

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Special Purpose Radars Radar and Antenna Specifications Radar Antennas Reception

✖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.ⓘ CFA RF Power Output [P_out]			+10% -10%
✖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.ⓘ CFA RF Drive Power [P_drive]			+10% -10%
✖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.ⓘ Efficiency of Cross Field Amplifier [η_cfa]			+10% -10%

✖DC Power Input is the power input through direct current supply.ⓘ CFA DC Power Input [P_dc]

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CFA DC Power Input Solution

STEP 0: Pre-Calculation Summary

Formula Used

DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier
P_dc = (P_out-P_drive)/η_cfa
This formula uses 4 Variables

Variables Used

DC Power Input - (Measured in Watt) - DC Power Input is the power input through direct current supply.
CFA RF Power Output - (Measured in Watt) - 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.
CFA RF Drive Power - (Measured in Watt) - 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.
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.

STEP 1: Convert Input(s) to Base Unit

CFA RF Power Output: 96.46 Watt --> 96.46 Watt No Conversion Required
CFA RF Drive Power: 70 Watt --> 70 Watt No Conversion Required
Efficiency of Cross Field Amplifier: 0.98 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_dc = (P_out-P_drive)/η_cfa --> (96.46-70)/0.98

Evaluating ... ...

P_dc = 27

STEP 3: Convert Result to Output's Unit

27 Watt --> No Conversion Required

FINAL ANSWER

27 Watt <-- DC Power Input

(Calculation completed in 00.004 seconds)

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< Special Purpose Radars Calculators

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CFA DC Power Input Formula

LaTeX Go

DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier
P_dc = (P_out-P_drive)/η_cfa

What are Cross-Field Amplifiers?

A crossed-field amplifier (CFA) is a specialized vacuum tube, first introduced in the mid-1950s and frequently used as a microwave amplifier in very-high-power transmitters.

How to Calculate CFA DC Power Input?

CFA DC Power Input calculator uses DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier to calculate 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 calculate CFA DC Power Input using this online calculator? To use this online calculator 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. Here is how the CFA DC Power Input calculation can be explained with given input values -> 25.5102 = (96.46-70)/0.98.

FAQ

What is CFA 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 and is represented as P_dc = (P_out-P_drive)/η_cfa or DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier. 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, 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 & 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.

How to calculate CFA 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 is calculated using DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier. To calculate CFA DC Power Input, you need CFA RF Power Output (P_out), CFA RF Drive Power (P_drive) & Efficiency of Cross Field Amplifier (η_cfa). With our tool, you need to enter the respective value for CFA RF Power Output, CFA RF Drive Power & Efficiency of Cross Field Amplifier and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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