PAN1780 Bluetooth Module
3 PAN1780 Module
Module Integration Guide Rev. 1.1
Page 11 of 44
3.3 Placement
Antenna “Keep out Area”
Do not place any ground plane under the marked restricted antenna area in
any layer! This would be affecting the performance of the chip antenna in a
critical manner.
Impact of Placement on the Antenna Radiation Pattern
The placement of the module, surrounding material, and customer
components has an impact on the radiation pattern of the antenna.
The recommendation for the ground plane is based on a FR4 4-Layer PCB.
The following requirements must be met:
Keep this product away from heat. Heat is the major cause of decreasing the life of these
products.
Keep this product away from other high frequency circuits.
The antenna requires a cutout
area of 5 mm x 3 mm under the PAN1780 module. This “Keep
out Area” shall be located in every layer under the module antenna. Note for example the “Keep
out Area” in all four layers of the PAN1780 evaluation board.
It is recommended to verify the perfect position of the module in the target application before
fixing the design.
Содержание PAN1780
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