"High Frequency Ceramic Solutions"

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1 Page 1 of 10 General Specifications Part Number Frequency Range Operating Temp 2450AT45A Mhz -4C to +125 C Input Power Impedance Reel Quanity 3W max. (CW 50 Ω 1,000 Mechanical Specifications Terminal Configuration In mm No. Function W L ± ± Feeding Point W ± ± NC L T / /-0.2 a a ± ± 0.30 T 2 1 Typical Electrical Specs for " Orientation" (T=25 C Frequency Range Mhz Peak Gain Return Loss 9.5 db min. Average Gain 2.2 dbi typ. (-V 1.0 dbi typ. (-V Mounting Considerations 1: " Orientation" Mount these devices with red mark facing up. Units: mm * Line width should be designed to provide 50Ω impedance matching characteristics. C C * 1.8 * * 1.5pF 3.9nH 1 a Without Matching Circuit (moderate bandwidth b With Matching Circuit* (wide bandwidth These matching circuit values only apply to Johanson's evluation board, they will be different on the client's PCB, see pages 2 and 10 for details. "C" Dimmension will depend on the width of the trace required for it to have a 50ohm characteristic impedance (i.e. coplanar waveguide theory

2 Page 2 of 10 Typical Electrical Characteristics for " Orientation" (T=25 o C Test Board Orderable Evaluation board: p/n: 2450AT45A100-EB1SMA " Orientation" 20mm 40mm GN 19mm 1.5pF 3.9nH 12 mm 50Ω Feed Line No Ground or Metals Note: It is recommended that the designer leave available slots for a "pi" (or shunt-series-shunt network. The antenna matching network values above are used when antenna is monted on Johanson's evaluation board. The matching values on clinet's PCB will be different, go to: and see how to obtain the new values. If you need further help, contact our RF Applications Eng Team at: Return Loss a Without a Matching Circuit a With a Matching Circuit

3 Page 3 of 10 Typical Radiation Patterns for " Orientation" (@25C -V/-H 27 -cut scanning direction -V/-H 27 -cut scanning direction -V/-H 27 -cut scanning direction

4 Page 4 of 10 Typical Electrical Specs for " Orientation_1" (T=25 C Frequency Range Mhz Peak Gain 1.5 dbi typ. (-V Return Loss 9.5 db min. Average Gain 0.0 dbi typ. (-V Mounting Considerations 2 - Orientation_1 Mount these devices with brown mark facing up. Units: mm *Line width should be designed to provide 50Ω impedance matching characteristics. 6.8 * 1.5pF Units in mm EVB p/n: 2450AT45A100-EB2SMA Orientation_1 C "C" Dimmension will depend on the width of the trace required for it to have a 50ohm characteristic impedance (i.e. coplanar waveguide theory *These matching circuit values only apply to Johanson's evluation board, they will be different on the client's PCB, see pages 5 and 10 for

5 Page 5 of 10 Typical Electrical Characteristics " Orientation_1" (T=25 o C Test Board Orderable Evalu p/n: 2450AT45A100-EB2SMA " Orientation_1" 20mm This 50Ω trace Feedline can be as short as needed, this lenth is just for reference to our EVB 40mm 6.8mm 19mm No Ground, Metal Layer Keep-Out Note: It is recommended that the designer leave available slots for a "pi" (or shunt-series-shunt network. The antenna matching network values above are used when antenna is monted on Johanson's evaluation board. The matching values on clinet's PCB will be different, go to: and see how to obtain the new values. If you need further help, contact our RF Applications Eng Team at: Return Loss a With Matching Circuit

6 Page 6 of 10 Typical Radiation Patterns for " Orientation_1" (@25C -V/-H 27 -cut scanning direction -V/-H 27 -cut scanning direction -V/-H 27 -cut scanning direction

7 Page 7 of 10 Typical Electrical Specs for " Orientation_2" (T=25 C Frequency Range Mhz Average Gain 0.6 dbi typ. (-V Return Loss 9.5 db min. Peak Gain 1.3 dbi typ. (-V Mounting Considerations 3 - Orientation_2 Mount these devices with brown mark facing up. Units: mm * Line width should be designed to provide 50Ω impedance matching characteristics. * 0 Ohm Units in mm EVB p/n: 2450AT45A100-EB2SMA Orientation_2 Note: It is recommended that the designer leave available slots for a "pi" (or shunt-series-shunt network. The antenna matching network values above are used when antenna is monted on Johanson's evaluation board. The matching values on clinet's PCB will be different, go to: and see how to obtain the new values. If you need further help, contact our RF Applications Eng Team at:

8 Page 8 of 10 Typical Electrical Characteristics Orientation_2 (T=25 o C Test Board EVB p/n: 2450AT45A100-EB3SMA Orientation_2 8.5mm 11.5mm This 50Ω Feedline can be as short as needed, this lenth is just for reference to our EVB 22.5mm 50Ω Feed Line Matching Circuit No Ground 11.5mm Return Loss a With Matching Circuit (0ohm 40mm 5mm 9.5mm

9 Page 9 of 10 Typical Radiation Patterns for " Orientation_2" (@25C -V/-H 27 -cut scanning direction -V/-H 27 -cut scanning direction -V/-H 27 -cut scanning direction

10 Page 10 of 10 Part Number Explanation P/N Suffix Packaging Style* Termination style Evaluation Boards (1-port SMA antenna test boards Bulk (loose pieces T & R T & R (Reverse Suffix = S Suffix = E Suffix = R Eg. 2450AT45A100S Eg. 2450AT45A100E Eg. 2450AT45A100R (MOQ Applies 100% Tin Suffix = None Eg. 2450AT45A100(S, E, R Tin / Lead Please consult Factory 2450AT45A100-EB1SMA (Page AT45A100-EB2SMA (Page AT45A100-EB3SMA (Page 8 Storage Conditions and Shelf Life (On T&R or Bulk Temperature: +5C to +35 C Relative Humidity: 45 to 75% Shelf Life: 18 months max. Packaging information Soldering Information /ipcpackaging.html /ipcsoldering-profile Antenna layout and tuning techniques /tuning Antenna layout review, tuning, and characterization services /ipcantennaservices