TDK ANT1085-4R1 User Manual
(1/3)
Multilayer Chip Antennas
For UWB
ANT Series ANT1085-4R1
SHAPES AND DIMENSIONS
Top view Bottom view
10±0.2
1.2±0.2
RECOMMENDED PC BOARD PATTERNS
PCB material : FR-4
PCB thickness : 0.8 mm
8.5±0.2
1085
TDK
ANT
4-Pitch 1.3
3.7
2.4
0.6
3.25 3.251
4
2
1
5.5
3
0.6
1.53.5
Conformity to RoHS Directive
13-ø0.95
Terminal functions
1 GND
2 DC feed
3 GND
4 Pad(NC)
Dimensions in mm
43
31.75
8.7
7.26
24
Hatching : Back side
3.251 3.25
4-Pitch 1.3
8.7 2
0.5 0.5
3.7
17
1 1
13-ø1.15
1.25
2.46
Dimensions in mm
ELECTRICAL CHARACTERISTICS FREQUENCY CHARACTERISTICS
Part No. ANT1085-4R1-01A
Operating frequency range 3.1 to 5.2GHz
Polarization Linear(mixed)
Antenna gain 2.0dBi typ.
Impedance 50Ω
VSWR 3max.
Temperature range
Operating –30 to +85°C
Storage –40 to +85°C
VSWR
10
9
8
7
6
5
VSWR
4
3
2
1
264 4.5 5 5.53.52.5 3
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.fm
RADIATION PATTERNS
ANT1085-4R1-01A
Directivity angle Vertical polarization Horizontal polarization
(2/3)
Z:0˚
Z:0˚
0˚
)
180˚
0˚
180˚
0˚
10(dBi
0
–10
–20
–30
–40
10(dBi
0
–10
–20
–30
–40
10(dBi
0
–10
–20
–30
–40
45˚
90˚
135˚
3.432GHz
3.96GHz
4.488GHz
)
45˚
90˚
135˚
3.432GHz
3.96GHz
4.488GHz
)
45˚
90˚
315˚
X
270˚
Y:90˚
225˚
Vertical polarization
315˚
Y
270˚
X:90˚
225˚
Vertical polarization
315˚
Z
270˚
Y:90˚
315˚
270˚
225˚
Horizontal polarization
315˚
270˚
225˚
Horizontal polarization
315˚
270˚
0˚
180˚
0˚
180˚
0˚
10(dBi
0
–10
–20
–30
–40
10(dBi
0
–10
–20
–30
–40
10(dBi
0
–10
–20
–30
–40
)
45˚
90˚
135˚
3.432GHz
3.96GHz
4.488GHz
)
45˚
90˚
135˚
3.432GHz
3.96GHz
4.488GHz
)
45˚
90˚
X:0˚
225˚
180˚
Vertical polarization
135˚
3.432GHz
3.96GHz
4.488GHz
• The radiation pattern is measured by mounting the antenna on 55× 20mm TDK STD evaluation base.
• Standard antenna: Standard dipole(Anritsu)
Tx antenna: Horn(TECOM)
225˚
180˚
Horizontal polarization
135˚
3.432GHz
3.96GHz
4.488GHz
• All specifications are subject to change without notice.
001-02 / 20080114 / e821_ant1085.fm
Loading...