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## Credits

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat
Shobhit Dimri has created this Calculator and 500+ more calculators!
Vishwakarma Government Engineering College (VGEC), Ahmedabad
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## Efficiency Of Cross-Field Amplifier(CFA) Solution

STEP 0: Pre-Calculation Summary
Formula Used
efficiency_of_cross_field_amplifier = (RF power output-RF drive power)/d-c power input
ηcfa = (R.Fout-R.Fd)/Pdc
This formula uses 3 Variables
Variables Used
RF power output - RF power output is radiofrequency output (Measured in Volt Ampere)
RF drive power - RF drive power is the power required to drive current (Measured in Volt Ampere)
d-c power input - d-c power input is the power input through d-c supply (Measured in Volt Ampere)
STEP 1: Convert Input(s) to Base Unit
RF power output: 6 Volt Ampere --> 6 Watt (Check conversion here)
RF drive power: 4 Volt Ampere --> 4 Watt (Check conversion here)
d-c power input: 2 Volt Ampere --> 2 Watt (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ηcfa = (R.Fout-R.Fd)/Pdc --> (6-4)/2
Evaluating ... ...
ηcfa = 1
STEP 3: Convert Result to Output's Unit
1 --> No Conversion Required
FINAL ANSWER
1 <-- Efficiency Of Cross-Field Amplifier
(Calculation completed in 00.016 seconds)

## < 10+ CW AND FREQUENCY-MODULATED RADAR Calculators

Amplitude Of The Signal Received From Target at Range Ro
amplitude_of_the_signal_received = Echo Signal Voltage/(2*3.14*(carrier frequency+doppler frequency shift)*Time-(4*3.14*carrier frequency*Range/Speed of Light)) Go
Amplitude Of Reference signal
amplitude_of_reference_signal = CW oscillator voltage/(sin(2*3.14*frequency*Time)) Go
CW oscillator voltage
cw_oscillator_voltage = Amplitude Of Reference signal*sin(2*3.14*frequency*Time) Go
Phase difference between the echo signals
phase_difference_echo_signals = 2*3.14*Distance*sin(Theta)/Wavelength Go
Distance from antenna 1 to the target
distance_from_antenna_1 = Range+Distance/2*sin(Theta) Go
Distance from antenna 2
distance_from_antenna_2 = Range-Distance/2*sin(Theta) Go
Radar antenna height
radar_antenna_height = (Range-resolution*Range) /target height Go
Target height
target_height = (Range-resolution*Range)/radar antenna height Go
Range-resolution
range_resolution = (radar antenna height*target height)/Range Go
Doppler Frequency Shift
doppler_frequency_shift = 2*target velocity/Wavelength Go

### Efficiency Of Cross-Field Amplifier(CFA) Formula

efficiency_of_cross_field_amplifier = (RF power output-RF drive power)/d-c power input
ηcfa = (R.Fout-R.Fd)/Pdc

## 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 = (RF power output-RF drive power)/d-c power input to calculate the Efficiency Of Cross-Field Amplifier, The Efficiency Of Cross-Field Amplifier(CFA) formula is defined as useful power output divided by the total electrical power consumed (a fractional expression), typically denoted by the Greek small letter eta (η – ήτα). Efficiency Of Cross-Field Amplifier and is denoted by ηcfa 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 RF power output (R.Fout), RF drive power (R.Fd) and d-c power input (Pdc) and hit the calculate button. Here is how the Efficiency Of Cross-Field Amplifier(CFA) calculation can be explained with given input values -> 1 = (6-4)/2.

### FAQ

What is Efficiency Of Cross-Field Amplifier(CFA)?
The Efficiency Of Cross-Field Amplifier(CFA) formula is defined as useful power output divided by the total electrical power consumed (a fractional expression), typically denoted by the Greek small letter eta (η – ήτα) and is represented as ηcfa = (R.Fout-R.Fd)/Pdc or efficiency_of_cross_field_amplifier = (RF power output-RF drive power)/d-c power input. RF power output is radiofrequency output, RF drive power is the power required to drive current and d-c power input is the power input through d-c supply.
How to calculate Efficiency Of Cross-Field Amplifier(CFA)?
The Efficiency Of Cross-Field Amplifier(CFA) formula is defined as useful power output divided by the total electrical power consumed (a fractional expression), typically denoted by the Greek small letter eta (η – ήτα) is calculated using efficiency_of_cross_field_amplifier = (RF power output-RF drive power)/d-c power input. To calculate Efficiency Of Cross-Field Amplifier(CFA), you need RF power output (R.Fout), RF drive power (R.Fd) and d-c power input (Pdc). With our tool, you need to enter the respective value for RF power output, RF drive power and d-c power input and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Efficiency Of Cross-Field Amplifier?
In this formula, Efficiency Of Cross-Field Amplifier uses RF power output, RF drive power and d-c power input. We can use 10 other way(s) to calculate the same, which is/are as follows -
• doppler_frequency_shift = 2*target velocity/Wavelength
• cw_oscillator_voltage = Amplitude Of Reference signal*sin(2*3.14*frequency*Time)
• amplitude_of_reference_signal = CW oscillator voltage/(sin(2*3.14*frequency*Time))
• amplitude_of_the_signal_received = Echo Signal Voltage/(2*3.14*(carrier frequency+doppler frequency shift)*Time-(4*3.14*carrier frequency*Range/Speed of Light))
• distance_from_antenna_1 = Range+Distance/2*sin(Theta)
• distance_from_antenna_2 = Range-Distance/2*sin(Theta)
• phase_difference_echo_signals = 2*3.14*Distance*sin(Theta)/Wavelength
• range_resolution = (radar antenna height*target height)/Range
• radar_antenna_height = (Range-resolution*Range) /target height
• target_height = (Range-resolution*Range)/radar antenna height
Where is the Efficiency Of Cross-Field Amplifier(CFA) calculator used?
Among many, Efficiency Of Cross-Field Amplifier(CFA) calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
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