28388 Dresden Elektronik, 28388 Datasheet - Page 21
28388
Manufacturer Part Number
28388
Description
DERFDEVELOPMENTKIT MEGA128
Manufacturer
Dresden Elektronik
Series
deRFmega128r
Type
802.15.4/Zigbeer
Datasheets
1.28388.pdf
(28 pages)
2.28388.pdf
(2 pages)
3.28388.pdf
(2 pages)
4.28388.pdf
(1 pages)
5.28388.pdf
(2 pages)
Specifications of 28388
Frequency
2.4GHz
For Use With/related Products
deRFmega128-22A00, deRFmega128-22A02
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
User Manual
Version 01.03
2010-09-07
11. RF components
11.1. deRFmega128-22A00 / 22C00
The chip antenna on the deRFmega128-22A00 / 22C00 is matched with:
Some hints for the positioning of the radio module:
Figure 17: Matching circuit with chip-antenna
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
01237 Dresden / Germany
L1 = 1,0nH (0402)
L2 = 2,2nH (0402)
avoid metallized environments in the near
place the module at the edge of a device
è mismatching of the antenna
è decreased transmit-range
Radio modules deRFmega128
Tel.: +49 351 – 31 85 00
Fax: +49 351 – 3 18 50 10
wireless@dresden-elektronik.de
www.dresden-elektronik.de
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