VJ5301M868MXBSR
www.vishay.com
Vishay Vitramon
Revision: 27-Mar-12
1
Document Number: 45206
For technical questions, contact: chipantenna@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Surface Mount Ceramic Chip Antennas for 868 MHz
VJ5301M868MXBSR chip antenna product
Vishay VJ5301M868MXBSR chip antennas are covered by
one or more of the following patents:
WO2008250262 (A1), US2008303720 (A1), US2008305750
(A1), WO2008154173 (A1)
Other patents are pending.
DESCRIPTION
The VJ5301M868MXBSR ceramic chip antenna is a small
form-factor, high-performance, chip-antenna designed for
operation at 868 MHz. It allows manufacturers to design
high quality products that do not bear the penalty of a large
external antenna, and is designed to be assembled onto a
PC board using a standard reflow process.
The VJ5301M868 is the latest in a family of products
developed by Vishay, a world leader in manufacturing of
discrete and passive components.
The VJ5301M868 series are small form-factor,
high-performance chip-antennas optimized for medical,
remote sensing, industrial, security, and RFID applications.
Utilizing unique Vishay materials and manufacturing
technologies, these products when properly tuned also
comply with the MBRAI standard for portable
communication.
FEATURES
" Small outline (35 mm x 5 mm x 1.2 mm)
" 50 W unbalanced tuning interface (max. - 1.96
dBi gain
(1)
)
" Assembled onto a PCB in the standard reflow
process
" 100 MHz half-power tuned bandwidth (820 to 920 MHz)
" High-reliability ceramic-oxide body construction
" Low-RF loss, high-Q ceramic
" Lead (Pb)-free/wet build process
" Reliable Noble Metal Electrode (NME) system
" Wide operating temperature range (- 40 癈 to + 85 癈)
" Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
Note
(1)
See figures 1 through 6 for more details on the radiation pattern
(antenna gain) at 868 MHz; the PCB board ground is shorted to
earth ground for tuning.
APPLICATIONS
" Medical telemetry (internal/external)
" Remote sensing and control
" Industrial automation and telemetry
" Security systems, home automation
" Long range RFID
ELECTRICAL SPECIFICATIONS
Operating temperature: - 40 癈 to + 85 癈
Frequency range (transmission/reception): 820 MHz to 920
MHz
Note
" Electrical characteristics at + 25 癈 unless otherwise specified.
Antenna performance is measured at 868 MHz and 50 W
impedance unless otherwise specified. The best results are
obtained by mounting the chip following the layout guidelines
application note for the evaluation kit.
QUICK REFERENCE DATA
SERIES
FREQUENCY
(MHz)
MAX. GAIN
(dBi)
AVERAGE GAIN
(dBi)
BANDWIDTH (- 10 dB)
(MHz)
BANDWIDTH (- 3 dB)
(MHz)
VJ5301M868MXBSR
868
- 1.96
- 4.96
32
100
CHIP ANTENNA PERFORMANCE
NOMINAL
FREQUENCY
(MHz)
NOMINAL
IMPEDANCE
(W)
868 MHz
AVERAGE
GAIN
(dBi)
868
MHz
PEAK
GAIN
(dBi)
REFLECTED
POWER
COEFFICIENT
S11
868 MHz
REFLECTED
POWER
LOSS
- 3 dB
BANDWIDTH
820 MHz to
920 MHz
(MHz)
- 3 dB
REFLECTED
POWER
LOSS
- 10 dB
BANDWIDTH
854 MHz to
886 MHz
(MHz)
- 10 dB
REFLECTED
POWER
LOSS
868
50
- 4.96
- 1.96
< - 27 dB
0.2 %
100
50 %
32
10 %
< 0.2 %
< 0.008 dB
3 dB
0.46 dB
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