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
Pdc = (Pout-Pdrive)/ηcfa
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
Pdc = (Pout-Pdrive)/ηcfa --> (96.46-70)/0.98
Evaluating ... ...
Pdc = 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)

Credits

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Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat
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21 Special Purpose Radars Calculators

Amplitude of Signal Received from Target at Range
Go Amplitude of Signal Received = Echo Signal Voltage/(sin((2*pi*(Carrier Frequency+Doppler Frequency Shift)*Time Period)-((4*pi*Carrier Frequency*Range)/[c])))
Echo Signal Voltage
Go Echo Signal Voltage = Amplitude of Signal Received*sin((2*pi*(Carrier Frequency+Doppler Frequency Shift)*Time Period)-((4*pi*Carrier Frequency*Range)/[c]))
Velocity Smoothing Parameter
Go Velocity Smoothing Parameter = ((Smoothed Velocity-(n-1)th Scan Smoothed Velocity)/(Measured Position at Nth Scan-Target Predicted Position))*Time between Observations
Time between Observations
Go Time between Observations = (Velocity Smoothing Parameter/(Smoothed Velocity-(n-1)th Scan Smoothed Velocity))*(Measured Position at Nth Scan-Target Predicted Position)
Smoothed Velocity
Go Smoothed Velocity = (n-1)th Scan Smoothed Velocity+Velocity Smoothing Parameter/Time between Observations*(Measured Position at Nth Scan-Target Predicted Position)
Phase Difference between Echo Signals in Monopulse Radar
Go Phase Difference between Echo Signals = 2*pi*Distance between Antennas in Monopulse Radar*sin(Angle in Monopulse Radar)/Wavelength
Predicted Position of Target
Go Target Predicted Position = (Smoothed Position-(Position Smoothing Parameter*Measured Position at Nth Scan))/(1-Position Smoothing Parameter)
Amplitude of Reference Signal
Go Amplitude of Reference Signal = CW Oscillator Reference Voltage/(sin(2*pi*Angular Frequency*Time Period))
Measured Position at Nth Scan
Go Measured Position at Nth Scan = ((Smoothed Position-Target Predicted Position)/Position Smoothing Parameter)+Target Predicted Position
Position Smoothing Parameter
Go Position Smoothing Parameter = (Smoothed Position-Target Predicted Position)/(Measured Position at Nth Scan-Target Predicted Position)
Reference Voltage of CW Oscillator
Go CW Oscillator Reference Voltage = Amplitude of Reference Signal*sin(2*pi*Angular Frequency*Time Period)
Smoothed Position
Go Smoothed Position = Target Predicted Position+Position Smoothing Parameter*(Measured Position at Nth Scan-Target Predicted Position)
Distance from Antenna 1 to Target in Monopulse Radar
Go Distance from Antenna 1 to Target = (Range+Distance between Antennas in Monopulse Radar)/2*sin(Angle in Monopulse Radar)
Distance from Antenna 2 to Target in Monopulse Radar
Go Distance from Antenna 2 to Target = (Range-Distance between Antennas in Monopulse Radar)/2*sin(Angle in Monopulse Radar)
CFA DC Power Input
Go DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier
Efficiency of Cross Field Amplifier(CFA)
Go Efficiency of Cross Field Amplifier = (CFA RF Power Output-CFA RF Drive Power)/DC Power Input
CFA RF Power Output
Go CFA RF Power Output = Efficiency of Cross Field Amplifier*DC Power Input+CFA RF Drive Power
CFA RF Drive Power
Go CFA RF Drive Power = CFA RF Power Output-Efficiency of Cross Field Amplifier*DC Power Input
Range Resolution
Go Range Resolution = (2*Antenna Height*Target Height)/Range
Doppler Frequency Shift
Go Doppler Frequency Shift = (2*Target Velocity)/Wavelength
Peak Quantization Lobe
Go Peak Quantization Lobe = 1/2^(2*Mean Lobe)

CFA DC Power Input Formula

DC Power Input = (CFA RF Power Output-CFA RF Drive Power)/Efficiency of Cross Field Amplifier
Pdc = (Pout-Pdrive)/ηcfa

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 Pdc 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 (Pout), CFA RF Drive Power (Pdrive) & Efficiency of Cross Field Amplifier 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 Pdc = (Pout-Pdrive)/ηcfa 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 (Pout), CFA RF Drive Power (Pdrive) & Efficiency of Cross Field Amplifier 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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