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Antenna Efficiency Calculator

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Antenna Theory Parameters Special Antennas Wave Propagation

✖Radiated Power is defined as power in watts that would have to be radiated by a half-wave dipole antenna to give the same radiation intensity.ⓘ Radiated Power [P_rad]			+10% -10%
✖Total input power is calculated by multiplying voltage (in volts) by current (in amps).ⓘ Total Input Power [P_i]			+10% -10%

✖Antenna efficiency is the ratio of power radiated (Prad) by the antenna to the power supplied (Ps) to the antenna.ⓘ Antenna Efficiency [E_t]

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Antenna Efficiency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Antenna Efficiency = Radiated Power/Total Input Power
E_t = P_rad/P_i
This formula uses 3 Variables

Variables Used

Antenna Efficiency - Antenna efficiency is the ratio of power radiated (Prad) by the antenna to the power supplied (Ps) to the antenna.
Radiated Power - (Measured in Watt) - Radiated Power is defined as power in watts that would have to be radiated by a half-wave dipole antenna to give the same radiation intensity.
Total Input Power - (Measured in Watt) - Total input power is calculated by multiplying voltage (in volts) by current (in amps).

STEP 1: Convert Input(s) to Base Unit

Radiated Power: 34 Watt --> 34 Watt No Conversion Required
Total Input Power: 2765 Watt --> 2765 Watt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

E_t = P_rad/P_i --> 34/2765

Evaluating ... ...

E_t = 0.0122965641952984

STEP 3: Convert Result to Output's Unit

0.0122965641952984 --> No Conversion Required

FINAL ANSWER

0.0122965641952984 ≈ 0.012297 <-- Antenna Efficiency

(Calculation completed in 00.008 seconds)

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Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat

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< Antenna Theory Parameters Calculators

Effective Area of Antenna

LaTeX Go Effective Area Antenna = (Thermal Resistance*Incremental Temperature)/Power Density of Antenna

Total Power of Antenna

LaTeX Go Total Power of Antenna = Thermal Resistance*Antenna Temperature*Bandwidth

Radiation Intensity

LaTeX Go Radiation Intensity = Isotropic Radiation Intensity*Directivity of Antenna

Power Per Unit Bandwidth

LaTeX Go Power per Unit = Thermal Resistance*Resistor Absolute Temperature

Antenna Efficiency Formula

LaTeX Go

Antenna Efficiency = Radiated Power/Total Input Power
E_t = P_rad/P_i

What is efficiency of antenna gain?

Antenna Gain is the ratio of power transmitted in a certain direction with a specific reference point. Relation between gain and efficiency is G = e x D where D is the directivity and E if the efficiency Antenna efficiency is how much RF power delivered to the antenna (from radio) is actually transmitted into the air.

How to Calculate Antenna Efficiency?

Antenna Efficiency calculator uses Antenna Efficiency = Radiated Power/Total Input Power to calculate the Antenna Efficiency, The Antenna Efficiency formula is defined as the ratio of power radiated (Prad) by the antenna to the power supplied (Ps) to the antenna. An ideal antenna has 100% antenna efficiency. Antenna Efficiency is denoted by E_t symbol.

How to calculate Antenna Efficiency using this online calculator? To use this online calculator for Antenna Efficiency, enter Radiated Power (P_rad) & Total Input Power (P_i) and hit the calculate button. Here is how the Antenna Efficiency calculation can be explained with given input values -> 0.012297 = 34/2765.

FAQ

What is Antenna Efficiency?

The Antenna Efficiency formula is defined as the ratio of power radiated (Prad) by the antenna to the power supplied (Ps) to the antenna. An ideal antenna has 100% antenna efficiency and is represented as E_t = P_rad/P_i or Antenna Efficiency = Radiated Power/Total Input Power. Radiated Power is defined as power in watts that would have to be radiated by a half-wave dipole antenna to give the same radiation intensity & Total input power is calculated by multiplying voltage (in volts) by current (in amps).

How to calculate Antenna Efficiency?

The Antenna Efficiency formula is defined as the ratio of power radiated (Prad) by the antenna to the power supplied (Ps) to the antenna. An ideal antenna has 100% antenna efficiency is calculated using Antenna Efficiency = Radiated Power/Total Input Power. To calculate Antenna Efficiency, you need Radiated Power (P_rad) & Total Input Power (P_i). With our tool, you need to enter the respective value for Radiated Power & Total Input Power 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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