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Número de pieza | MT6616 | |
Descripción | Application Note | |
Fabricantes | MediaTek | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de MT6616 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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5 Page MEDIATEKRCoonncfent_WCXOther System Consideration for FM (1/2)
▪ Rule 1: Protect the BB 32.768kHz crystal layout
– If the 32.768kHz signal is corrupted by digital signals, FM channel locking may be unstable.
– BB 32.768kHz crystal layout rules:
– Place the 32.768kHz crystal unit close to the BB, and L2 beneath crystal needs to be complete
ground. The crystal and its traces must be protected by ground vias and ground planes.
– Do not route power, MCP, FM I2C traces near 32.768kHz crystal circuit.
– The 32.768kHz traces between crystal unit and BB should be on top layer.
▪ Rule 2: Backlight driver adoption
MEDIATEK Confidential Release for– USE a charge pump backlight driver.
– Using a DC-DC backlight driver may cause increased noise levels when the backlight is on. Need
to take good care of DC-DC traces.
▪ Don’t dig hole in shielding cover and keep shielding frame pad as close or continuous as
Roncent_WCXpossible
Shielding frame pad
Continuous shielding frame pad
Shielding frame pad as close as possible
11
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet MT6616.PDF ] |
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