1227AT45A0042 Datasheet, PDF (1/4 Pages) Johanson Technology Inc. – L2 Band 1.227GHz GPS Internal Chip Antenna

"High Frequency Ceramic Solutions"
L2 Band 1.227GHz GPS Internal Chip Antenna
Detail Specification: 2/5/2014
P/N 1227AT45A0042
Page 1 of 4
General Specifications
Part Number
1227AT45A0042
Frequency Range (MHz)
1227.6 ± 21MHz
Operating Frequency (MHz) 1206 - 1249 (+10MHz guard band)
Peak Gain
1.0 dBi typ. (XZ-V)
Average Gain
-2.0 dBi typ. (XZ-V)
Return Loss
9.5 dB min.
Impedance
50 Ω
Operating Temperature
Power Capacity
3W max. (CW)
Shelf Life
Recommended Storage Conditions
+5 ~ +35 °C,Humidity 45~75%RH Reel Quanity
-40 to +85°C
18 Months
1,000
Mechanical Dimensions
In
mm
L 0.374 ± 0.008
9.50 ± 0.20
W
W 0.079 ± 0.008 2.00 ± 0.20
T 0.047 +.004/-.008 1.20 +0.1/-0.2
a 0.020 ± 0.012 0.50 ± 0.30
Terminal Configuration
L
a
No.
Function
1
Feeding Point
2
NC (to trace)
T
1
2
Mounting Considerations (all units in mm)
GND
1.0 nH
1.0 _10.5
7.5
We offer 2 free layout
reviews as well as
antenna tuning and
characterization services
(lab fee may apply). Go
*_{1.0 pF}
1.8 ^{to page 2 for details.}
The length of this
PCB trace element
must be followed,
GND
5.5 _{however the shape}
may be modified to
0.5
conform to the
7.5
designer’s particular
layout
*Line width should be designed to match 50Ωcharacteristic impedance (co-planar waveguide), depending
on PCB material and thickness. The matching values above only apply to Johanson's evaluation board, see
page two for more details or go to: www.johansontechnology.com/tuning
Johanson Technology, Inc. reserves the right to make design changes without notice.
All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
4001 Calle Tecate • Camarillo, CA 93012 • TEL [phone] FAX [phone]
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