Transcript
"High Frequency Ceramic Solutions" Ultra-Miniature 2.4GHz Chip antenna 0.37mm max Thickness
P/N 2450AT07A0100
Detail Specification: 5/8/2012
Page 1 of 4
General Specifications Part Number
2450AT07A0100
Input Power
2400~2500
Impedance
Frequency (MHz)
2W max. 50 Ω
Peak Gain (dBi typ.)
1.0 (XZ-Total)
Operating Temperature
-40 to +85°C
Average Gain (dBi typ.)
-1.5 (XZ-Total)
Recommended Storage Conditions
+5 ~ +35 °C, 18 mos max. Humidity 45~75%RH
Eg. 2450AT07A0100S
No.
Function
1 2 3 4
Feed
6.5 dB min.
Return Loss
Part Number Explanation
Terminal Configuration Suffix = S
Bulk
Packaging Style P/N Suffix Termination Style
T & R (10000pcs)
Suffix = T
Eg. 2450AT07A0100E
100% Tin
Suffix = None
Eg. 2450AT07A0100(T or S)
2450AT07A0100-EB1SMA
Evaluation Board
Mechanical Dimensions In
mm
L
0.039 ± 0.004
1.00 ± 0.10
W
0.020 ± 0.004
0.50 ± 0.10
a
T
0.014
a
0.006 +.004/-.006
0.15 +0.1/-0.05
b
0.010 +.004/-.006
0.25 +0.1/-0.05
c
0.003 +.004/-.006
0.08 +0.1/-0.05
GND GND Feed 2
1
3
4
W
0.37
L
b
T
Unit : mm
c
Mounting Considerations Mount these devices with brown mark facing up.
*Line width should be designed to provide 50Ω impedance matching characteristics. Units: mm 0.1
0.9
Feeding line
*
*
Matching
0.4 0.3 0.3
0.25
4 1
0.7
4.0
3 .0 1.5
1.2
5.0
Solder Land
2
3
Without Matching Circuits
No Ground (Yellow area) Ground
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 805.389.1166 FAX 805.389.1821 2012 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions" Ultra-Miniature 2.4GHz Chip antenna 0.37mm max Thickness
P/N 2450AT07A0100
Detail Specification: 5/8/2012
Page 2 of 4
Layout Guidelines and EVB Specifications Test Board-Top View (Units in mm) Antenna 3
Feeding line 5
No Ground (Yellow area) 20
Antenna Radiation Pattern Symbol Position Explanation (See page 3 for patterns)
Matching circuits: “pi” style recommended EIA 0201 or 04021 Ground
40 1Our Evaluation Board uses a 0Ω resistor, but for all other PCBs, a "pi" (shunt-series-shunt) matching circuit will be required for proper operation and resonance! (see page 4 for App Notes)
Test Board-Vottom View (Units in mm) 3 5 20
Oderable Antenna EVB p/n:
No Ground/Ground Clearance (Yellow area)
2450AT07A0100-EB1SMA
Ground
40 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 805.389.1166 FAX 805.389.1821 2012 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions" Ultra-Miniature 2.4GHz Chip antenna 0.37mm max Thickness
P/N 2450AT07A0100
Detail Specification: 5/8/2012
Page 3 of 4
Typical Radiation Patterns
XY-V/XY-
Z
)
270 º
)
X 0º
XY cut @2.45GHz Vertical Horizontal
180º Y 90º
XY-cut scanning direction
XZ-V/XZ-
XZ cut @2.45GHz Vertical Horizontal
Y 180º
X 90º
270º Z 0º
XZ-cut scanning direction YZ cut @2.45GHz Vertical Horizontal
YZ-V/YZ-H X 180º Y 90º
270º Z 0º
YZ-cut scanning direction
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 805.389.1166 FAX 805.389.1821 2012 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions" Ultra-Miniature 2.4GHz Chip antenna 0.37mm max Thickness
P/N 2450AT07A0100
Detail Specification: 5/8/2012
Page 4 of 4
Typical Electrical Performance (T=25°C) Return Loss / Without Matching Circuits 0 m1
dB(S(1,1))
-5
m1 freq=2.370GHz dB(S(1,1))=-5.100 m2 freq=2.450GHz dB(S(1,1))=-20.709
m3
-10
m3 freq=2.530GHz dB(S(1,1))=-5.437
-15 m2
-20 -25 2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
freq, GHz
Additional info This antenna was designed to have high resilience to capacitive loading/detuning due to grounded folded loop inside Read our Johanson Chip Antenna matching, mounting, and tuning recommendations at: JTI Chip Antenna Mounting and Tuning Techniques http://www.johansontechnology.com/en/technical-notes/integrated-passives-rf-comp/jti-chip-antenna-mounting-and-tuning-techniques.html
Actual Picture
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 805.389.1166 FAX 805.389.1821 2012 Johanson Technology, Inc. All Rights Reserved
