1:1 Coax feedline choke enclosure
thingiverse
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
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