Small Ceramic Chip Antenna
for Bluetooth
SMA-F24022
Hitachi Metals, Ltd.
Tottori Works R&D Department
http://www.hitachi-metals.co.jp
All the technical data and information contained
herein are subject to change without notice.
Page. 1 / 5
1. Feature
Pb Free
Omni-directional
High Gain
Small & SMD
5. Application Note
12mm
1mm
5mm
1mm
Ceramic Antenna
Need 1mm Space
from Grand Plane
2. Dimensions
10mm x 3mm x 2mm
3.Specifications
Central Frequency
Band Width
VSWR
Gain
Input Impedance
2442MHz (*
Note1
)
200MHz
(Typical Value)
3.0 Max.
-4.4 dBi
50 Ohm
12mm
5mm
Circuit Board
(Evaluation)
FR-4 0.6mmt
*Note1 : Central Frequency should be defined after customers’
application approval.
45mm
Need
Blank Space
4.Foot Pattern
0 .5
1 .2 1 .6 1 .2
0 .5
1 .5
2 .25
1 .5
2 .25
1 .5
0 .5
40mm
Back Side
(2)
(2)
(2)
6. Schedule
1st Sample
Engineering Sample
Pre-Production
Mass-Production
2002/2Q
2002/3Q
2002/4Q
2003/1Q
1 .7
0 .5
(1)
(2)
(3)
(1) Signal
(2) NC (Mount Point)
(3) GND
Unit:mm
All the technical data and information contained
herein are subject to change without notice.
Hitachi Metals, Ltd. Tottori Works
Page. 2 / 5
7. Measurement Data
7-1. VSWR vs. Frequency
3
VSWR
2
1
2250
2450
Frequency (MHz)
Hitachi Metals, Ltd. Tottori Works
2650
Page. 3 / 5
7-2. Radiation Pattern and Gain
@ 2440 MHz
XY plane
0
5
33 0
-5
30 0
-15
-25
27 0
-35
90
27 0
60
30 0
30
33 0
-5
-15
-25
-35
90
27 0
60
30 0
5
30
33 0
-5
-15
-25
-35
90
60
[ Unit : dBi ]
YZ plane
0
5
30
ZX plane
0
24 0
21 0
18 0
15 0
12 0
24 0
21 0
15 0
18 0
12 0
24 0
21 0
15 0
18 0
12 0
Ho rizon tal
Ve rtical
Ho rizon tal
Ve rtical
Ho rizon tal
Ve rtical
Horizontal Vertical
Ave. [dBi]
Max. [dBi]
Horizontal Vertical
H/V Ave.
Horizontal Vertical
H/V Ave.
-2.51
-21.73
-5.47
Ave. [dBi]
-9.04
-1.60
-3.89
Ave. [dBi]
-2.89
-5.02
0.94
-16.94
-2.00
Max. [dBi]
-5.32
-0.50
-2.28
Max. [dBi]
0.66
-1.55
Y
X
Z
0
0
Y
Z
H/V Ave.
Total Ave.
-3.82
-4.33
-0.31
270
180
V
H
Polarization
X
90
270
180
V
H
Polarization
90
Y
270
180
V
H
Polarization
0
X
90
Z
Hitachi Metals, Ltd. Tottori Works
Page. 4 / 5
7-3. Total Average Gain vs. Frequency
-3
Total A verage Gain (dB i)
-4
-5
-6
-7
-8
-9
-10
2300
2400
2500
2600
Frequency (MHz)
Hitachi Metals, Ltd. Tottori Works
Page. 5 / 5