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Sonsivri > Electronics > Projects (Moderators: bbarney, pickit2) > Directional coupler in HF
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folkeu
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« on: October 25, 2021, 06:17:21 18:17 »
Hello radio amateurs,
I am looking to create a directional coupler to measure the real and reflected power of a 30 to 50 watt FM transmitter. The power of the linear amplifier is not yet defined.
I have no knowledge of HF and I need your knowledge to determine the width of the center line (50Ohms) and the 2 side lines and their spacing.
The support will be FR4.
Thanks
Fanch
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vern
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« Reply #1 on: October 26, 2021, 10:42:13 10:42 »
you can use this tool, it's a great software to have anyway if you are into PCB's
It gives you all the information you need and it's free

http://saturnpcb.com/saturn-pcb-toolkit
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