VJ5301M868MXBSR
www.vishay.com
Vishay Vitramon
 
Revision: 27-Mar-12
2
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
VJ5301M868MXBSR TUNING
Final tuning configuration and component values for L1, L2,
and C1 depend on customer PCB layout. Optimal tuning is
possible with just a few standard components. The nominal
values shown are for a tuned VJ5301M868MXBEK kit.
 Fig. 1 - Tuning Example with Inductors L1, L2 and Capacitor C1
 Fig. 2 - VJ5301M868 Tuned to 868 MHz with
> 99.8 % Power Coupled
 Fig. 3 - VJ5301M868 PCB Mounting and Coordinate Directions
 Fig. 4 - VJ5301M868MXBSR XY Radiation Pattern
 Fig. 5 - VJ5301M868MXBSR YZ Radiation Pattern
 Fig. 6 - VJ5301M868MXBSR XZ Radiation Pattern
-30
-25
-20
-15
-10
-5
0
820
840
860
880
900
920
Fre  uenc MHz
VJ5301M868
dB
P  w  r R  fl    i  n  11
V  r
Fr
n
>99.8 %
Power
Coupling at
868 MHz
MHz
XZ
Z-  xi
The radiaon paerns reference the elevaon ? that is
z
Rotation
Pl  n
?= 0?Receiver
Dir    i  n
XY
Y-  xi
YZ
Z-  xi
-45
-35
-25
-15
-5
90?
75?
60?
45?
30?
15?
0?
-15?
-30?
-45?
-60?
-75?
-90?
-105?
-120?
-135?
-150?
-165?
180?
165?
150?
135?
120?
105?
XY / ?
dBi
Rotaon plane / Horizontal E-eld polarizaon
Pole rotaon 瞻
 
-42
-32
-22
-12
-2
90?
75?
60?
45?
30?
15?
0?
-15?
-30?
-45?
-60?
-75?
-90?
-105?
-120?
-135?
-150?
-165?
180?
165?
150?
135?
120?
105?
YZ / ?
dBi
Rotaon plane / Horizontal E-eld polarizaon
Pole rotaon 瞻
-42
-32
-22
-12
-2
90?
75?
60?
45?
30?
15?
0?
-15?
-30?
-45?
-60?
-75?
-90?
-105?
-120?
-135?
-150?
-165?
180?
165?
150?
135?
120?
105?
XZ / ?/DIV>
dBi
Rotaon plane / Vercal E-eld polarizaon
Pole rotaon 瞻
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