High Frequency Ceramic Solutions 2.45 GHz SMD Antenna, EIA 1210, Detuning resilient, Edge Mount Design Detail Specification:
3/26/2019 P/N 2450AT18D0100 Page 1 of 7 Let us help you with the antenna design, optimization, and tuning!
General Specifications Part Number 2450AT18D0100 Frequency (GHz) 2.4 - 2.48 Peak Gain (dBi) Average Gain (dBi) Radiated Efficiency Return Loss (dB) Impedance () Input Power (W) Operating Temperature 1.5 dBi
-1.0 dBi 72%
10 min. 50 2 max. (CW)
-40 to +125C Recommended Storage Conditions and Period for unused T&R Product
+5 to +35C Humidity 45 - 75% RH 18 months max. Efficiency measured on Johanson's evaluation board PN 2450AT18D0100-EB1SMA Part Number Explanation P/N Suffix Packing Style Evaluation Board Bulk (loose) T&R 100% Tin 2450AT18D0100-EB1SMA Suffix = S Suffix = E Suffix = E or S e.g. 2450AT18D0100S e.g. 2450AT18D0100E e.g. 2450AT18D0100(E or S) Mechanical Dimensions L W T a b In 0.008 0.008 0.004 0.126 0.063 0.047 mm 3.20 1.60 1.20 0.2 0.2 0.1 0.012
+0.004 / -0.008 0.30 +0.1 / -0.2 0.020 0.008 0.50 0.2 w b a L Terminal Configuration No. Function 1 Function 2 1 2 3 4 FEED GND GND GND 4 1 GND GND GND FEED 3 2 b T Function 1: Antenna fed from left Function 2: Antenna fed from right Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. https://www.johansontechnology.com 4001 Calle Tecate Camarillo, CA 93012 TEL 805.389.1166 FAX 805.389.1821 Ver. 4.2 2019 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 2.45 GHz SMD Antenna, EIA 1210, Detuning resilient, Edge Mount Design Detail Specification:
3/26/2019 P/N 2450AT18D0100 Page 2 of 7 Mounting Considerations 1: Evaluation Board (Standard Layout) Matching Circuits Units in mm 20mm Ground clearance Feeding Line Ground Vias Measured radiated efficiency of 2450AT18D0100 on this evaluation board is 72%
40mm 1.0 2.0 1.0 Solder Resist Ground Land 0 Ohm 50 Trace (Grounded CPWG type is preferred) GND Vias 0.6 0.7 0.6 4.1 Ground 6.0 Matching Circuits Ground 4.0 No ground, metal PCB layers, or other metallic components like batteries directly underneath antenna!
Toorderapretuned50EVBwithafemaleSMAconnectorclickhere:
www.johansontechnology.com/requestasample Referencep/n:2450AT18D0100EB1SMA Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. https://www.johansontechnology.com 4001 Calle Tecate Camarillo, CA 93012 TEL 805.389.1166 FAX 805.389.1821 Ver. 4.2 2019 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 2.45 GHz SMD Antenna, EIA 1210, Detuning resilient, Edge Mount Design Detail Specification:
3/26/2019 P/N 2450AT18D0100 Page 3 of 7 Mounting Considerations 1: Electrical Performance @25C Measured ReturnLoss 0
) 1
, 1
S
B d
-10
-20
-30 2.0 m1 2.400GHz freq=
dB(S(1,1))=-13.935 m2 2.500GHz freq=
dB(S(1,1))=-14.774 m3 2.450GHz freq=
dB(S(1,1))=-24.894 m1 m2 m3 2.2 2.4 2.6 2.8 3.0 freq, GHz Would you like the antenna layout? Have antenna tuning issues?
Please contact us if you have any questions regarding the implementation of this antenna in your PCB's layout. We'll be happy to guide you to maximize the antenna's performance. Contact our applications engineers at:
www.johansontechnology.com/ask-a-question Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. https://www.johansontechnology.com 4001 Calle Tecate Camarillo, CA 93012 TEL 805.389.1166 FAX 805.389.1821 Ver. 4.2 2019 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 2.45 GHz SMD Antenna, EIA 1210, Detuning resilient, Edge Mount Design Detail Specification:
3/26/2019 P/N 2450AT18D0100 Page 4 of 7 Mounting Considerations 1: Typical 2D radiation patterns @ 2.44GHz
+Z ( = 0)
+Z YZplane
-Y
+Y
+Y ( = 90)
-Y
-X
-X
-Y XZplane XYplane
-Z
+Z ( = 0)
-Z
-Z
+Z
-X
+X
+X ( = 90)
+Y ( = 90)
-Z
+X
-Y
+Y
+X ( = 0) Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions.
-X https://www.johansontechnology.com 4001 Calle Tecate Camarillo, CA 93012 TEL 805.389.1166 FAX 805.389.1821 Ver. 4.2 2019 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 2.45 GHz SMD Antenna, EIA 1210, Detuning resilient, Edge Mount Design Detail Specification:
3/26/2019 P/N 2450AT18D0100 Page 5 of 7 Mounting Considerations 2: Small Clearance or "Thin edge" Applications*
Solder Resist Land
Reserve for Pi-matching circuit 1.0 2.0 1.0 GNDclearance 0.6 0.7 0.6 0.6 2.8 0.6 3.4 1.5 8.0 3.4 Ground Blue Area = LCD/Metal/CAN/GND/Battery etc.
*Evaluation boardnotavailable Mounting Considerations 3: "Thin edge" application on circular PCB 50 Trace (Grounded CPWG type is preferred) Units in mm No ground, metal PCB layers, or other metallic components like batteries and displays directly underneath antenna!
Ground Wantthelayoutfileofthisexample?Sendusamessageat:
www.johansontechnology.com/askaquestion
*Evaluation boardnotavailable Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. https://www.johansontechnology.com 4001 Calle Tecate Camarillo, CA 93012 TEL 805.389.1166 FAX 805.389.1821 Ver. 4.2 2019 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 2.45 GHz SMD Antenna, EIA 1210, Detuning resilient, Edge Mount Design Detail Specification:
3/26/2019 P/N 2450AT18D0100 Page 6 of 7 Mounting Considerations 4: Fed from Right Side*
(Feeding theantennafromtherightwillhavenoimpactonantennaperformance) 2.0 1.0 1.0 Solder Resist Land Ground 0.6 0.7 0.6 6.0 4.1 Ground 0 Ohm No ground, metal PCB layers, or other metallic components like batteries directly underneath antenna!
Matching Circuits Ground 4.0
*Evaluation boardnotavailable Units in mm Wouldyoulikethelayoutfileoftheabove?Haveantennatuningissues?
Please contactusifyouhaveanyquestionsregardingtheimplementationofthisantennain yourPCB'slayout.We'llbehappytoguideyoutomaximizetheantenna'sperformance. Contactourapplicationsengineersat:
www.johansontechnology.com/askaquestion Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. https://www.johansontechnology.com 4001 Calle Tecate Camarillo, CA 93012 TEL 805.389.1166 FAX 805.389.1821 Ver. 4.2 2019 Johanson Technology, Inc. All Rights Reserved High Frequency Ceramic Solutions 2.45 GHz SMD Antenna, EIA 1210, Detuning resilient, Edge Mount Design Detail Specification:
3/26/2019 P/N 2450AT18D0100 Page 7 of 7 Antenna tuning, optimization, and validation services:
https://www.johansontechnology.com/ipc-antenna-services For more antennas and to download measured S-parameters, go to:
https://www.johansontechnology.com/antennas Soldering Information MSL Info Packaging Information https://www.johansontechnology.com/ipcsoldering-profile https://www.johansontechnology.com/msl-rating https://www.johansontechnology.com/tape-reel-packaging For layout review contact our applications team at:
https://www.johansontechnology.com/ask-a-question RoHS Compliance https://www.johansontechnology.com/rohs-compliance Need help designing the antenna in? Use our antenna design services!
https://www.johansontechnology.com/ipc-antenna-services We provide 2 free layout reviews and if you need us to tune and characterize the antenna on your product (inside anechoic chamber) we can do that too. Small lab fee may apply for the latter. Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. https://www.johansontechnology.com 4001 Calle Tecate Camarillo, CA 93012 TEL 805.389.1166 FAX 805.389.1821 Ver. 4.2 2019 Johanson Technology, Inc. All Rights Reserved