TDK Satellite Radio ANT1085 4R1 User Manual

(1/3)  
Conformity to RoHS Directive  
Multilayer Chip Antennas  
For UWB  
ANT Series ANT1085-4R1  
SHAPES AND DIMENSIONS  
Top view  
Bottom view  
1
8.5 0.2  
3.25  
3.25  
13-ø0.95  
4
2
1
3
0.6  
Terminal functions  
2.4  
0.6  
1
2
3
4
GND  
DC feed  
GND  
3.5 1.5  
5.5  
Pad(NC)  
Dimensions in mm  
RECOMMENDED PC BOARD PATTERNS  
PCB material : FR-4  
PCB thickness : 0.8 mm  
1
3.25 3.25  
13-ø1.15  
0.5  
1
0.5  
1
8.7  
7.26  
24  
Hatching : Back side  
Dimensions in mm  
ELECTRICAL CHARACTERISTICS  
FREQUENCY CHARACTERISTICS  
VSWR  
Part No.  
Operating frequency range  
Polarization  
Antenna gain  
Impedance  
ANT1085-4R1-01A  
3.1 to 5.2GHz  
Linear(mixed)  
2.0dBi typ.  
10  
9
8
50  
7
VSWR  
3max.  
6
Operating  
Storage  
–30 to +85°C  
–40 to +85°C  
Temperature range  
5
4
3
2
1
2
2.5  
3
3.5  
4
4.5  
5
5.5  
6
(
)
Frequency GHz  
Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and  
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.  
• All specifications are subject to change without notice.  
001-02 / 20080114 / e821_ant1085.
 
(3/3)  
TENSILE STRENGTH OF TERMINAL  
CENTER MOUNTING  
It shall be not broken after a tensile force of 1 mm is applied to the  
terminal in the direction of axis for 5 1seconds.  
20  
R340  
gap 0.1  
45  
45  
PCB(FR4)thickness : 0.8 mm  
Dimensions in mm  
SIDE MOUNTING  
It shall be not broken after a tensile force of 2 mm is applied to the  
terminal in the direction of axis for 5 1seconds.  
20  
R340  
40  
gap 0.1  
45  
45  
PCB(FR4)thickness : 0.8 mm  
Dimensions in mm  
The tested antenna is offset by 40 mm from the position where the  
tensile force is applied.  
• All specifications are subject to change without notice.  
001-02 / 20080114 / e821_ant1085.
 

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