431111100245 Datasheet, PDF (5/13 Pages) List of Unclassifed Manufacturers – 2.45 GHz ISM-band antenna for Bluetooth and WLAN IEEE 802.11b

Phycomp
Surface-mount ceramic
multilayer antennas
Product specification
2.45 GHz ISM-band antenna for
Bluetooth and WLAN IEEE 802.11b
STANDARD TEST BOARD FOR RADIATION PATTERN AND SWR MEASUREMENTS
50 Ω
transmisson
line
14
SMA
connector
14
8
antenna
1.2 ^chip
Dimensions in mm
0.8
HBK090
Fig.3 Typical FR4 test board.
SWR
10.0
RYA002
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
123
1.0
2.0
2.2
2.4
2.6
2.8
3.0
f (GHz)
Marker data:
1: SWR = 1.28; f = 2.400 GHz
2: SWR = 1.34; f = 2.450 GHz
3: SWR = 1.34; f = 2.500 GHz.
25
10
Ω
+j
Ω
0
−j
Ω
10
2 GHz
10
25
50
100
3 GHz
250
100
250
21
∞
3
250
25
100
50
RYA0003
Marker data:
1: 50.75 Ω/12.36 Ω; f = 2.400 GHz
2: 44.98 Ω/12.83 Ω; f = 2.450 GHz
3: 43.99 Ω/12.27 Ω; f = 2.500 GHz.
Fig.4 Typical SWR and characteristic impedance measurements.
2002 Oct 17 Rev.2
5
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