ZED-F9P-Integration Manual
UBX-18010802 - R01
5 Design Page 45 of 64
Objective Specification - Confidential
Figure 44: ZED-F9P VCC_RF antenna bias
If the VCC_RF voltage does not match with the supply voltage of the active antenna, use a filtered
external supply.
Figure 45: ZED-F9P external voltage antenna bias
The recommended circuit design for the active antenna bias using an external voltage and current
limiting circuit is shown below. This also includes ESD protection that must be implemented.
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