User Manual

ZE51/61-2.4 RF Module User Guide
1VV0300868 Rev.4 – 31/03/2011
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 35 of 50
VI.2. Power supply decoupling on ZE51/61-2.4 module
The power supply of ZE51/61-2.4 module must be nearby decoupled. A LC filter must be placed as close as
possible to the radio module power supply pin, V
DD
.
Symbols Reference Value Manufacturer
L1 LQH31MN1R0K03 1µH Murata
C1 GRM31CF51A226ZE01 22µF Murata
C2 Ceramic CMS 25V 100nF Multiple
V
dd
C1 C2
Power Supply
L1