Power Divider

nxf41527 — Fri, 22 Jan 2021 04:49:10 GMT

I have a RF signal which i need to provide to 2 different inputs. Basically the same amplitude has to be provided from the same signal source , and they should be closely phase matched. I thought i could use a Power divider but that is not available as a board component. How else can I send the same signal to 2 different inputs with the same voltage ? The BW I am interested in is max of 3GHz .In simple words , I just need to copy my signals into both inputs without a considerable phase difference.

Re: Power Divider

LPP — Sat, 23 Jan 2021 17:30:37 GMT

RF power splitters are available on the market. You can search everythingrf to find an acceptable part.

https://www.everythingrf.com/search/power-dividers/filters?page=1&country=global&sconfiguration=;2%20Way;&sinsertion_loss_min=0&sinsertion_loss_max=1&sinput_power_min=0&sinput_power_max=1

For example, some SMD parts:
https://d2lxe0fofddnat.cloudfront.net/BD4026-V1.2.pdf
http://rn2.co.kr/?c=common&m=download&file_name=1c63d490f3f86aacc9389b1756931e74.pdf&orig_name=CXD25P02_Datasheet_171031_Rev.1_.0_.pdf&mcd=kr_sub02_06
https://www.atlantamicro.com/wp-content/uploads/2018/06/AM4008-Datasheet-Latest.pdf
https://www.superapexco.com/wp-content/uploads/2019/01/SAC3801AQ4-8.pdf

In practice, you can implement power splitter on PCB. Please read more on the topic at this link:
https://www.microwaves101.com/encyclopedias/wilkinson-power-splitters
https://www.microwaves101.com/encyclopedias/multistage-wilkinsons

Best Regards
Pavel
NXP TIC

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