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High frequency pcb footprints

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Discussion in 'PCB Layout, Design and Manufacture' started by wdariusw, Aug 30, 2015.

Aug 30, 2015 #1

wdariusw

149

7

Nov 10, 2014

Hi. I wonder, if PCB have trace-antenna , and pcb RF output is 433mhz, it is very important smd components footprint shape , if they are connected to antenna? Thanks !
Aug 30, 2015 #2

HellasTechn

1,537

213

Apr 14, 2013

i dont understand your question
Aug 31, 2015 #3

AnalogKid

2,393

665

Jun 10, 2015

Yes. For a reliable 433 MHz design:
1. It is important to use SMD devices.
2. The trace lengths, widths, thicknesses, and shapes all are very important.

ak
Aug 31, 2015 #4
wdariusw

149

7

Nov 10, 2014
This is what i mean. This is board with trace-antenna (please see attached picture) . SMD parts, that are connected straight to the antenna have rounded footprints. This is because of high frequency radio waves reflections ?
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