Summary

This is a simple enclosure for a 1:1 feedline choke for amateur radio, or any other radio application. It is sized for a 240 sized toroid ferrite core. It is designed to use the following SO-239 connectors:

https://www.amazon.com/wlaniot-Bulkhead-Connector-Female-Straight/dp/B078HHG8VR

I used RG-316 coax to wrap around the toroid. With 12 wraps I get about 35dB of RF suppression on the outside of the coax braid.

This is an open design on onshape.com if it needs to be modified:

https://cad.onshape.com/documents/49fd7d88cc934db933ad7d7b/w/f196c2548c21f0746701fcbf/e/be218f6c312d585bf87e2a7c

Print Settings

Rafts:

No

                                            <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>200</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>20</p></div></p>                                                    <strong>Filament:</strong> PolyMaker PLA                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Print the lid so the top is flat on the bed. It will probably need to be flipped over in the slicer software. </p></div>

1:1 Coax feedline choke enclosure

1:1 Coax feedline choke enclosure

Related Models