ATSAMB11XR datasheet(73/87 Pages) MICROCHIP

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ATSAMB11XR Arkusz danych(PDF) 73 Page - Microchip Technology

Numer części	ATSAMB11XR

Szczegółowy opis	Ultra Low Power BLE 4.1 SiP/Module

PDF	87 Pages

Scroll/Zoom	100%

Producent	MICROCHIP [Microchip Technology]

Strona internetowa	http://www.microchip.com

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73 / 87 page

14.2

Interferers

One of the biggest problems with RF devices is poor performance due to interferers on the board

radiating noise into the antenna or coupling into the RF traces going to input LNA. Care must be taken to

make sure that there no noisy circuitry is placed anywhere near the antenna or the RF traces. All noise

generating circuits should also be shielded so they do not radiate noise that is picked up by the antenna.

This applies to all layers. Even if there is a ground plane on a layer between the RF route and another

signal, the ground return current will flow on the ground plane and couple into the RF traces.

ATSAMB11XR/ZR

Datasheet Preliminary

DS70005342A-page 73

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