EnOcean GmbH TCM515Z Manual Do Utilizador
USER MANUAL
TCM 515Z – 2.4 GHZ IEEE 802.15.4 Transceiver
© 2016 EnOcean | www.enocean.com
F-710-017, V1.0
TCM 515Z User Manual | v1.5 | June 2017 | Page 15/45
3.2.2
Meandered PCB antenna
TCM 515Z has been certified for use with a meandered PCB antenna provided that the fol-
lowing layout guidelines are met:
Matching circuit values of the modular approval may not be changed
Shape according to reference layout in Figure 6 below
Minimum GND plane: 40 mm x 18 mm
Connect GND planes using multiple via as shown in Figure 6 below
Minimum distance space: 10 mm
Matching circuit components as specified in Table 5 below
Figure 6 below shows the dimensions of the meandered PCB antenna, the matching circuit
and the area important for modular approval (marked in green).
Figure 6 – Reference layout for meandered PCB antenna
Table 5 below lists the parameters of the matching circuit components. It is mandatory to
use them as specified.
Table 5 below lists the parameters of the matching circuit components. It is mandatory to
use them as specified.
Designator Value Notes
C8
C8
1.0pF Use Murata GRM1555 series or similar
R9
6.8nH Use Würth WE-KI series, Murata LQW series or similar
C9
---
Not assembled
Table 5 – Parameters of the matching circuit