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NXP Semiconductors
UM11038
OM27642 Smart Lock KIT
UM11038
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2018. All rights reserved.
User manual
COMPANY PUBLIC
Rev. 1.1 — 11 October 2018
407611
10 of 38
4.3 Antenna matching
The antenna matching of the Smart Lock main PCB is shown below. The EMC filter is
part of the stack-on core Module. The base board consists of the matching circuit with
the damping resistors and the serial and parallel matching capacitors.
Fig 8. Antenna matching on stack on Core Module
Fig 9. Antenna matching components on the base board
Please Note: high resolution schematics are available as PDF files in the download
section under manufacturing data here:
www.nxp.com/demoboard/OM27462NBR