DIY 9-circle combiner board with on board chokes
Автор: ve6wz
Загружено: 2022-02-01
Просмотров: 3512
A new 9-circle combiner board PCB design is shown that integrates small SMD common mode chokes on each feedline. This eliminates the need for costly off-board chokes, and simplifies field installation.
I explain why we need CMCs, describe the new PCB design and give a few construction tips.
Below are the PCB files you can download if you wish to build your own board, a BOM, a schematic of the new circuit and some documentation.
Gerber_zip PCB files:
https://drive.google.com/file/d/1T96q...
KiCad PCB file:
https://drive.google.com/file/d/1GUCi...
BOM:
https://docs.google.com/spreadsheets/...
Schematic:
https://drive.google.com/file/d/1hZkf...
YCCC Manual:
https://drive.google.com/file/d/1iu3R...
VNA test how-to video:
• Analyzer and VNA testing of the 9 circle c...
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