The Antenna Magus Tool Box

The Antenna Magus Toolbox contains a collection of useful tools and utilities for Antenna designers to simplify everyday antenna tasks. We group these tools according to Antenna Properties, System calculators, Approximation tools, Data conversion tools, General Properties and Transmission Line Calculators.

Chart Tracing Tool

The Chart Tracing Tool is probably one of the most useful utilities in Antenna Magus. It started as an in-house application used by the engineers to read off design values from scanned graphs, mostly from published papers that were only available in *.pdf or in hardcopy. After showing the tool to other engineers and seeing their excitement, we decided to include it as a utility in Antenna Magus.

Simply select your scanned graph image, specify anchor values and follow the traces with your mouse. Apply the spline or linear function and export the XY-values to a Tab Separated Values (TSV) file. It supports both polar and cartesian graphs.

The Chart Tracing tool automatically extracts values relevant to the indicated data type, making it easy to determine quantities such as bandwidth, sidelobe level etc. of the data. You can use these values for design or specification refinement.
Read more about how to use the Chart Tracing Tool.

Antenna Magus Chart Tracer > Dassault Systèmes

Angle Conversion Calculator

This calculator converts angular values between different unit types. The table shows the factors used to convert to degrees.

Convert from Multiplication factor
Degree 1
Radian 180/π
Gradian 360/400
Minutes 1/60
Seconds 1/3600
Milliradians 180/(1000*π)
Revolution 360
Antenna Magus Angle Conversion Calcualtor > Dassault Systèmes

Length Unit Conversion Tool

This calculator converts length values between different unit types. The table shows the factors used to convert to meters.

Convert from Multiplication factor
Micrometer 1e-6
Micron 1e-6
Millimeter 1e-3
Centimeter 1e-2
Meter 1
Kilometer 1e3
Mil 25.4e-6
Inch 25.4e-3
Foot 0.3048
Yard 0.9144
Mile 1609.344
Antenna Magus Length Unit Conversion Tool > Dassault Systèmes

dB-V-P Ratio Tool

The equation shows the relationship between a decibel value and a linear voltage/power ratio. You can use this calculator in one of three ways:

  • Specify decibel values and the calculator returns the linear voltage and power ratios
  • Specify a linear voltage ratio and the calculator returns the decibel value together with the linear power ratio.
  • Specify a linear power ratio and the calculator returns the decibel value together with the linear voltage ratio.

dB = 20log10(voltage ratio) = 10log10(power ratio)

Antenna Magus dBV-P ratio tool > Dassault Systèmes

Two-Port Network Conversion Tool

This calculator allows the conversion between various two-port parameters. The two-port parameters include Z (impedance), Y (admittance), ABCD-parameters (chain) and S-parameters (scattering).

Most microwave textbooks [for example Pozar] provide useful conversion formulas to switch between various two-port parameter conventions. However, the books often only provide conversions for simplified cases. Specifically, where the impedance values of port 1 (source) and port 2 (load) are real, equal, or where a common port and system impedance is enforced.

This calculator allows for the impedance of the two ports to be complex and unique using the equations developed by Dean Frickey. The image shows a standard two-port network and basic two-port equations.

Two-Port Network Conversion Tool  > Dassault Systèmes

VSWR Return Loss Calculator

The Voltage Standing Wave Ratio (VSWR), reflection coefficient (Τ), return loss and mismatch loss depend on one or the other, as we can see by the equations.

This calculator consists of four design groups. Each group requires one objective input and returns the remaining three.

VSWR Return Loss Calculator > Dassault Systèmes

Also Discover

Antenna Magus
Antenna Design Software
Antenna Magus Array Synthesis
Antenna Array Design Made Easy
Antenna Magus Libraries
Simplify Finding Commercial/Standard Substrates, Waveguides, Connectors and Specifications

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