> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ntop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Parametric Pyramid Horn Antenna

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> This page is for AI assistant context only. To use this package, visit [community.ntop.com](https://community.ntop.com/packages/ntop/parametric-pyramid-horn-antenna).

## Summary

This block synthesizes a Pyramid Horn Antenna by iterating to find an optimal χ (Chi) value. It generates a 3D manifold including the feed waveguide and flared aperture. Refer to the Technical Diagram for dimension mapping: A/B (Aperture) a

## Package Details

| Field            | Value                                                          |
| ---------------- | -------------------------------------------------------------- |
| **ID**           | `parametric-pyramid-horn-antenna`                              |
| **Type**         | Notebook                                                       |
| **Author**       | nTop                                                           |
| **Version**      | 1.0.0                                                          |
| **nTop Version** | 5.45+                                                          |
| **Domain**       | Mechanical                                                     |
| **Complexity**   | Intermediate                                                   |
| **Tags**         | `antenna`, `waveguide`, `rf`, `parametric`, `aperture`, `horn` |
| **License**      | MIT                                                            |
| **Verified**     | Yes                                                            |

***

This block synthesizes a Pyramid Horn Antenna by iterating to find an optimal χ (Chi) value. It generates a 3D manifold including the feed waveguide and flared aperture. Refer to the Technical Diagram for dimension mapping: A/B (Aperture) and L1/L2 (Slant Lengths).

## Installation

Clone this repo or copy the package folder into your nTop workspace:

```bash theme={null}
git clone https://github.com/nTopology/Utilities.git
```

The package lives at `packages/ntop/parametric-pyramid-horn-antenna/`.

## Inputs

| Name                                 | Type    | Description                                                                                                                                                         |
| ------------------------------------ | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `Desired Gain (dBi)`                 | Scalar  | Desired Gain (dBi)                                                                                                                                                  |
| `f [Hz]`                             | Scalar  | Design Frequency \[Hz]                                                                                                                                              |
| `a [cm]`                             | Scalar  | Waveguide Broad Wall (a)                                                                                                                                            |
| `b [cm]`                             | Scalar  | Waveguide Narrow Wall (b)                                                                                                                                           |
| `Waveguide - L [cm]`                 | Scalar  | Waveguide Length \[cm]                                                                                                                                              |
| `t [cm]`                             | Scalar  | Thickness \[cm]                                                                                                                                                     |
| `+/- % Variation of χi for Sampling` | Scalar  | Optimization Search Window (%) For example, if the Initial Chi value is 100 and the % Variation defined is 15, the Sampling Range will be define between  85 - 115. |
| `Number of Design Points`            | Integer | This value defines the number of sample points or design points you which to run. It takes the Sample Range, previously defined, and simply divides by this value.  |
| `% Tolerance to Check`               | Scalar  | Convergence Tolerance (%)                                                                                                                                           |

## Outputs

| Name                                  | Type          | Description                                                                                                                                                                |
| ------------------------------------- | ------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `Pyramid Horn: Waveguide + Aperature` | Implicit Body | Generates the final 3D manifold by boolean-subtracting the inner hollow volume from the external horn-waveguide shell based on the calculated slant lengths P\_E and P\_H. |

## License

MIT.

***

## Source

[https://community.ntop.com/packages/ntop/parametric-pyramid-horn-antenna](https://community.ntop.com/packages/ntop/parametric-pyramid-horn-antenna)