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---
title: Homebrew common mode choke
summary: |
A simple and quite tiny common mode choke that I built for my
portable operations.
date: 2023-10-26T13:36:26+02:00
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#categories:
#- amateur-radio
#- computerstuff
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---
I've built myself a common mode choke last winter (2022) but haven't created
this page yet. Also I haven't used it much because I haven't been very active
this year.
So this is basically a 140-43 toroid with 9 turns of RG174 connected to
BNC connectors.