Building and measuring a Guanella 1:4 balun with Wurth cores 74270191
- xtgaby
- Feb 6, 2021
- 1 min read
Updated: Feb 9, 2021
For building descriptions, see my previous blogs.
Return loss measurements:
Insertion loss measurements:
Insetion loss @ 14 MHz = 0.2 dB / 2 = 0.1 dB
Return loss:
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