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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
Urvi Rathod has verified this Calculator and 1000+ more calculators!

## CFA RF drive power Solution

STEP 0: Pre-Calculation Summary
Formula Used
rf_drive_power = RF power output-Efficiency Of Cross-Field Amplifier*d-c power input
R.Fd = R.Fout-ηcfa*Pdc
This formula uses 3 Variables
Variables Used
RF power output - RF power output is radiofrequency output (Measured in Volt Ampere)
Efficiency Of Cross-Field Amplifier- Efficiency Of Cross-Field Amplifier
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)
Efficiency Of Cross-Field Amplifier: 1 --> No Conversion Required
d-c power input: 2 Volt Ampere --> 2 Watt (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
R.Fd = R.Fout-ηcfa*Pdc --> 6-1*2
Evaluating ... ...
R.Fd = 4
STEP 3: Convert Result to Output's Unit
4 Watt -->4 Volt Ampere (Check conversion here)
FINAL ANSWER
4 Volt Ampere <-- RF drive power
(Calculation completed in 00.013 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

### CFA RF drive power Formula

rf_drive_power = RF power output-Efficiency Of Cross-Field Amplifier*d-c power input
R.Fd = R.Fout-ηcfa*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 CFA RF drive power?

CFA RF drive power calculator uses rf_drive_power = RF power output-Efficiency Of Cross-Field Amplifier*d-c power input to calculate the RF drive power, The CFA RF drive power formula is defined as amplifiers drive the antenna of a transmitter. Design goals often include gain, power output, bandwidth, power efficiency, linearity (low signal compression at rated output), input and output impedance matching, and heat dissipation. RF drive power and is denoted by R.Fd symbol.

How to calculate CFA RF drive power using this online calculator? To use this online calculator for CFA RF drive power, enter RF power output (R.Fout), Efficiency Of Cross-Field Amplifier (ηcfa) and d-c power input (Pdc) and hit the calculate button. Here is how the CFA RF drive power calculation can be explained with given input values -> 4 = 6-1*2 .

### FAQ

What is CFA RF drive power?
The CFA RF drive power formula is defined as amplifiers drive the antenna of a transmitter. Design goals often include gain, power output, bandwidth, power efficiency, linearity (low signal compression at rated output), input and output impedance matching, and heat dissipation and is represented as R.Fd = R.Fout-ηcfa*Pdc or rf_drive_power = RF power output-Efficiency Of Cross-Field Amplifier*d-c power input . RF power output is radiofrequency output, Efficiency Of Cross-Field Amplifier and d-c power input is the power input through d-c supply.
How to calculate CFA RF drive power?
The CFA RF drive power formula is defined as amplifiers drive the antenna of a transmitter. Design goals often include gain, power output, bandwidth, power efficiency, linearity (low signal compression at rated output), input and output impedance matching, and heat dissipation is calculated using rf_drive_power = RF power output-Efficiency Of Cross-Field Amplifier*d-c power input . To calculate CFA RF drive power, you need RF power output (R.Fout), Efficiency Of Cross-Field Amplifier (ηcfa) and d-c power input (Pdc). With our tool, you need to enter the respective value for RF power output, Efficiency Of Cross-Field Amplifier 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 RF drive power?
In this formula, RF drive power uses RF power output, Efficiency Of Cross-Field Amplifier 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 CFA RF drive power calculator used?
Among many, CFA RF drive power calculator is widely used in real life applications like {FormulaUses}. Here are few more real life examples -
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