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Efficiency of Cross Field Amplifier(CFA) 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%
✖DC Power Input is the power input through direct current supply.ⓘ DC Power Input [P_dc]			+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(CFA) [η_cfa]

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Efficiency of Cross Field Amplifier(CFA) Solution

STEP 0: Pre-Calculation Summary

Formula Used

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

Variables Used

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

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
DC Power Input: 27 Watt --> 27 Watt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

η_cfa = (P_out-P_drive)/P_dc --> (96.46-70)/27

Evaluating ... ...

η_cfa = 0.98

STEP 3: Convert Result to Output's Unit

0.98 --> No Conversion Required

FINAL ANSWER

0.98 <-- Efficiency of Cross Field Amplifier

(Calculation completed in 00.004 seconds)

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Amplitude of Signal Received from Target at Range

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LaTeX Go Amplitude of Reference Signal = CW Oscillator Reference Voltage/(sin(2*pi*Angular Frequency*Time Period))

Reference Voltage of CW Oscillator

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Doppler Frequency Shift

LaTeX Go Doppler Frequency Shift = (2*Target Velocity)/Wavelength

Efficiency of Cross Field Amplifier(CFA) Formula

LaTeX Go

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

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 Efficiency of Cross Field Amplifier(CFA)?

Efficiency of Cross Field Amplifier(CFA) calculator uses Efficiency of Cross Field Amplifier = (CFA RF Power Output-CFA RF Drive Power)/DC Power Input to calculate 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 η_cfa symbol.

How to calculate Efficiency of Cross Field Amplifier(CFA) using this online calculator? To use this online calculator for Efficiency of Cross Field Amplifier(CFA), enter CFA RF Power Output (P_out), CFA RF Drive Power (P_drive) & DC Power Input (P_dc) and hit the calculate button. Here is how the Efficiency of Cross Field Amplifier(CFA) calculation can be explained with given input values -> 0.925926 = (96.46-70)/27.

FAQ

What is Efficiency of Cross Field Amplifier(CFA)?

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 and is represented as η_cfa = (P_out-P_drive)/P_dc or Efficiency of Cross Field Amplifier = (CFA RF Power Output-CFA RF Drive Power)/DC Power Input. 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 & DC Power Input is the power input through direct current supply.

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

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 is calculated using Efficiency of Cross Field Amplifier = (CFA RF Power Output-CFA RF Drive Power)/DC Power Input. To calculate Efficiency of Cross Field Amplifier(CFA), you need CFA RF Power Output (P_out), CFA RF Drive Power (P_drive) & DC Power Input (P_dc). With our tool, you need to enter the respective value for CFA RF Power Output, CFA RF Drive Power & DC Power Input 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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