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SC14WAMDECT 데이터시트(PDF) 26 Page - Renesas Technology Corp

부품명 SC14WAMDECT
상세설명  Wireless Audio Module FINAL
PDF  37 Pages
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SC14WAMDECT 데이터시트(HTML) 26 Page - Renesas Technology Corp

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Datasheet
Revision 3.1
05-Jan-2022
CFR0011-120-00-FM Rev 5
26 of 36
© 2022 Renesas Electronics
SC14WAMDECT SF
Wireless Audio Module
FINAL
7.3 PATTERN FOR PIN 79 ON THE MAIN BOARD
The copper pattern for pin 79 on the main board is very
important because it is part of the internal antenna of
the module. It is used to extend the internal antenna for
optimum RF performance.
The PCB pattern shown in Figure 19 under “pads C”
was used for pin 79 on the main board during module
certification.
7.4 PRECAUTIONS REGARDING UNINTENDED
COUPLING
The SC14WAMDECT SF includes an internal antenna,
so at integration on the main board precautions shall
be taken in order to avoid any kind of coupling from the
main board to the RF part of the module.
If there is any doubt about this, a brief radio test should
be performed.
Figure 14: Module placement on the main board (top view)
1
78
No PCB area
2
3
76
77
GND
GND
GND
79
Main board
Module
antenna extension
> 10 mm
> 10 mm
> 10 mm
No GND area



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