DIELECTRIC ANTENNA
Description
DAC2450CT1T
2.
45 GHZ DIELECTRIC ANTENNA Description
The TOKO DAC2450CT1T is a compact, vertically polarized, dielectric antenna specifically designed for 2.
450 GHz applications including IEEE 802.
11b/g wireless networking.
The antenna unit consists of a dielectric element with a 50Ω center terminal permitting direct connection to a 50Ω printed circuit board pattern without a matching circuit.
Features
• • • • • • • • • Miniature footprint: 16mm diameter Low profile: 6.
5mm max.
Center Frequency: 2450 MHz Bandwidth: ±50 MHz Peak Gain: Less than +2.
14 dBi (0 dBi typ.
) Impedance: 50 Ω Weight: 4.
3 grams Operating temperature: -10°C to +60°C Storage temperature: -20°C to +85°C
Dimensions
3.
3 0.
5 max
16.
0
0.
8ø 6.
5 max
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DataSheet4U.
com
Unit: mm
Typical Characteristics
Vertical Directivity Pattern (0°)
0°
Vertical Directivity Pattern (90°)
0°
90°
270°
90°
270°
30
00 3 6
330
180°
30
00 3 6
330
180°
60
10 15 20 25 35
300
60
10 15 20 25 61
300
90
270
90
270
120
240
120
240
150
180
210
150
180
210
October 2004
© 2004 TOKO America, Inc.
All Rights Reserved Printed in USA
CF-245-DAC2450 R-LOG1004A
1
DAC2450CT1T
2.
45 GHZ DIELECTRIC ANTENNA Typical Characteristics
Horizontal Directivity Pattern
0°
Receiving Signal Response Over Frequency
CH1 S21
270°
log MAG
2dB/REF — 12dB
1:0dB BW : 212.
2 MHz cert : 2447.
3 MHz Q : 11.
536 1 loss : —10.
935dB
90°
30
00 3 6
330
180°
C2 Smo
1
60
10 15 20 25
300
2
3
270
4
90
120
240
150
180
210
X2 CENTER: 2450.
0 MHz SPAN: 1000.
0 MHz
NOTE: All characteristics measured with antenna mounted on a 76.
0mm x 50.
0mm ground plane of 0.
2mm thichness (see Physical Assembly).
Physical Assembly
76.
0
15.
0
Ground pattern
PCB
Double sided adhesive tape ( 0.
12mm t )
50.
0
Soldered to the solder pad of the feed line pattern
15.
0
Unit: mm
The information furnished by TOKO, Inc.
is believed to be accurate and reliable.
However, TOKO reserves the right to make changes or improvements in the design,...
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