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USER MANUA
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V0.82
© 2010 EnOcean | www.enocean.com TCM 300 / 300C / 320 / 320C User Manual V0.82 | Page 26/43
TCM 300 / 300C / 320 / 320C
3 .5 Pow er supply requ irem ents
In order to provide a good radio performance, great attention must be paid to the power
supply and a correct layout and shielding. It is recommended to place a 22 µF ceramic ca-
pacitor between VDD and GND close to the module (material: X5R, X7R, min 6.3 V to avoid
derating effects). In addition a 470 nH coil shall be inserted (Murata LQW18A, 0603) in the
power supply line.
It is recommended to keep the ripple on the power supply rail below 10 mVpp (see
2.4).
3 .6 Layout r e com m e n dations
3 .6 .1 TCM 3 0 0 / 3 0 0 C recom m e nded foot pattern
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