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Half-Power Beamwidth of Helical Antenna Formula

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Half Power Beam Width is the area where most of the power is radiated. Check FAQs

B hp = \frac{52}{C λ \cdot \sqrt{n \cdot S}}

B_hp - Half Power Beam Width?C_λ - Helix Circumference?n - Number of Turns of Helical Antenna?S - Turn Spacing?

Half-Power Beamwidth of Helical Antenna Example

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Here is how the Half-Power Beamwidth of Helical Antenna equation looks like with Values.

Here is how the Half-Power Beamwidth of Helical Antenna equation looks like with Units.

Here is how the Half-Power Beamwidth of Helical Antenna equation looks like.

255.6886 = \frac{52}{0.8 \cdot \sqrt{6.01 \cdot 35.3}}

255.6886° = \frac{52}{0.8m \cdot \sqrt{6.01 \cdot 35.3m}}

255.6886 = \frac{52}{0.8 \cdot \sqrt{6.01 \cdot 35.3}}

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Half-Power Beamwidth of Helical Antenna Solution

Follow our step by step solution on how to calculate Half-Power Beamwidth of Helical Antenna?

FIRST Step Consider the formula

B hp = \frac{52}{C λ \cdot \sqrt{n \cdot S}}

Next Step Substitute values of Variables

∴

B hp = \frac{52}{0.8m \cdot \sqrt{6.01 \cdot 35.3m}}

Next Step Prepare to Evaluate

∴

B hp = \frac{52}{0.8 \cdot \sqrt{6.01 \cdot 35.3}}

Next Step Evaluate

∴

B hp = 4.46260829077855rad

Next Step Convert to Output's Unit

∴

B hp = 255.688620681749°

LAST Step Rounding Answer

∴

B hp = 255.6886°

Half-Power Beamwidth of Helical Antenna Formula Elements

Variables

Functions

Half Power Beam Width

Half Power Beam Width is the area where most of the power is radiated.

Symbol: B_hp

Measurement: AngleUnit: °

Note: Value should be greater than 0.

Formulas to find Half Power Beam Width

Helix Circumference

Helix circumference of an imaginary cylinder that the helix conductor is wound around expressed in wavelengths. The ideal value for a helical antenna is 1.0.

Symbol: C_λ

Measurement: WavelengthUnit: m

Note: Value should be greater than 0.

Formulas to find Helix Circumference

Number of Turns of Helical Antenna

Number Of Turns Of Helical Antenna is the number of identical parallel antennas are arranged along a line.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Turns of Helical Antenna

Turn Spacing

Turn Spacing in the antenna is the spacing between each turn of the antenna.

Symbol: S

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Turn Spacing

sqrt

A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.

Syntax: sqrt(Number)

Other formulas in Helical Antennas category

Go Input Impedance of Helical Antenna

Z h = 140 \cdot C λ

Go Gain of Helical Antenna

G a = 11.8 + 10 \cdot \log 10 ({C λ}^{2} \cdot n \cdot S)

Go Helix Circumference of Helical Antenna

C λ = \frac{Z h}{140}

Go Beam Width between First Null (BWFN) of Helical Antenna

BW fn = 115 \cdot \frac{{C λ}^{\frac{3}{2}}}{C \cdot \sqrt{S \cdot n}}

How to Evaluate Half-Power Beamwidth of Helical Antenna?

Half-Power Beamwidth of Helical Antenna evaluator uses Half Power Beam Width = 52/(Helix Circumference*sqrt(Number of Turns of Helical Antenna*Turn Spacing)) to evaluate the Half Power Beam Width, The Half-Power Beamwidth of Helical Antenna formula represents the angle within the main lobe of the antenna where its gain is above 50% of the peak gain (angle between -3dB points of the main lobe). Half Power Beam Width is denoted by B_hp symbol.

How to evaluate Half-Power Beamwidth of Helical Antenna using this online evaluator? To use this online evaluator for Half-Power Beamwidth of Helical Antenna, enter Helix Circumference (C_λ), Number of Turns of Helical Antenna (n) & Turn Spacing (S) and hit the calculate button.

FAQs on Half-Power Beamwidth of Helical Antenna

What is the formula to find Half-Power Beamwidth of Helical Antenna?

The formula of Half-Power Beamwidth of Helical Antenna is expressed as Half Power Beam Width = 52/(Helix Circumference*sqrt(Number of Turns of Helical Antenna*Turn Spacing)). Here is an example- 14662.08 = 52/(0.8*sqrt(number_of_turns_awp*35.3)).

How to calculate Half-Power Beamwidth of Helical Antenna?

With Helix Circumference (C_λ), Number of Turns of Helical Antenna (n) & Turn Spacing (S) we can find Half-Power Beamwidth of Helical Antenna using the formula - Half Power Beam Width = 52/(Helix Circumference*sqrt(Number of Turns of Helical Antenna*Turn Spacing)). This formula also uses Square Root (sqrt) function(s).

Can the Half-Power Beamwidth of Helical Antenna be negative?

No, the Half-Power Beamwidth of Helical Antenna, measured in Angle cannot be negative.

Which unit is used to measure Half-Power Beamwidth of Helical Antenna?

Half-Power Beamwidth of Helical Antenna is usually measured using the Degree[°] for Angle. Radian[°], Minute[°], Second[°] are the few other units in which Half-Power Beamwidth of Helical Antenna can be measured.

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Half-Power Beamwidth of Helical Antenna Formula

Half-Power Beamwidth of Helical Antenna Example

Half-Power Beamwidth of Helical Antenna Solution

Half-Power Beamwidth of Helical Antenna Formula Elements

Other formulas in Helical Antennas category

How to Evaluate Half-Power Beamwidth of Helical Antenna?

FAQs on Half-Power Beamwidth of Helical Antenna

Variable Name