diff --git a/content/equipment/radio-stuff/accessories/homebrew-common-mode-choke/choke-inside.jpg b/content/equipment/radio-stuff/accessories/homebrew-common-mode-choke/choke-inside.jpg new file mode 100644 index 0000000..1190458 --- /dev/null +++ b/content/equipment/radio-stuff/accessories/homebrew-common-mode-choke/choke-inside.jpg @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:00ac1574a6b96f05c4c9fdcfde85f362a52621d89de8e66272ca8d34d15a2856 +size 169894 diff --git a/content/equipment/radio-stuff/accessories/homebrew-common-mode-choke/index.md b/content/equipment/radio-stuff/accessories/homebrew-common-mode-choke/index.md index 78abb80..c067fad 100644 --- a/content/equipment/radio-stuff/accessories/homebrew-common-mode-choke/index.md +++ b/content/equipment/radio-stuff/accessories/homebrew-common-mode-choke/index.md @@ -6,7 +6,7 @@ summary: | coverCaption: My selfmade common mode choke placed into a neat plastic case with BNC connectors. date: 2023-10-26T13:36:26+02:00 -lastmod: 2024-09-28T23:48:06+0000 +lastmod: 2025-03-09T11:08:33+0000 showBreadcrumbs: true showReadingTime: false @@ -16,13 +16,12 @@ showWordCount: false So this is basically a 140-43 toroid with 9 turns of RG174 connected to BNC connectors. -It works very well and I have made two measurements recently. +It works very well and I have made two measurements: {{< figure src="logmag_through.png" caption="The maximum loss is on 10m around 0.2dB" >}} {{< figure src="logmag_outer.png" caption="It attenuates common mode current with more than 20dB" >}} -I find this okay for now but I still wonder if this can be made any better -(maybe 30dB attenuation?). Would I benefit from even more attenuation? +Another picture with open case: -I will probably find out on another day. +{{< figure src="choke-inside.jpg" caption="A look inside the \"plastic\"" >}}