+++
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'
#lastmod = ''
#categories = [ 'amateur-radio', 'computerstuff' ]
#tags = []

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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.