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| dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 1 of 19 s g g p . 1 2 . 4 . a . 0 2 specification patent pending part no. : sggp.12 a description : 12mm gps/glonass smt mount ceramic patch antenna 12*12*4mm feature s : 1575.42 /1602 mhz gps/glonass antenna 2.67 dbi peak gain for gps band 2.94 dbi peak gain for glonas s band 12 x 1 2 x 4 m m dimension smt direct mount ceramic patch a ntenna automotive ts16949 production and quality approved rohs compliant
dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 2 of 19 s g g p . 1 2 . 4 . a . 0 2 1. introduction the sggp.12.4.a.02 is a c eramic gps /glonass passive patch antenna with low - profile thickness of 4mm . it is designed for application s in navigation device s , vehicle tracking/fleet management systems, and telematics devices . typical applicable industries are transportation, defens e, marine, agriculture , and navigation. the antenna has been tuned on a 50 x 5 0 mm ground plane, working at 1575.42mhz and 1602mhz, with a 2.67 dbi gain and 2.94 dbi gain, respectively . the ceramic patch is mounted via smt process . it is manufactured and tested in a ts16949 first tier automotive approved facility . for customer s pecific device environments , custom tuned patch antennas are highly recommended, subject to potential nre and moq . contact your regional taoglas sales office for details. dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 3 of 19 s g g p . 1 2 . 4 . a . 0 2 2. specification electrical application bands gps glonass operation frequency ( mh z ) 1575.42 1.023 1602 5 return loss (db) < - 10 < - 10 gain at zenith (dbi) 2.67 2.94 efficiency (%) 60 .78 60.58 impedance 50 ohms mechanical ceramic dimension (mm) 12 x 12 x 4 weight (g) 3.3 environmental operation temperature - 40c to 85 c humid ity non - condensing 65c 95% rh * antenna properties were measured with the antenna mounted on 5 0 *5 0 mm ground plane taoglas part # sggpd.12a dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 4 of 19 s g g p . 1 2 . 4 . a . 0 2 3. antenna characteristcs 3.1. return loss 3.2. efficiency dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 5 of 19 s g g p . 1 2 . 4 . a . 0 2 3.3. average gain 3.4. peak gain dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 6 of 19 s g g p . 1 2 . 4 . a . 0 2 4. antenna radiation p attern 4.1. measurement setup the sggp.12.4.a.02 antenna is tested with 50mm*5 0mm ground plane in a ctia certified ets - lindgren anechoic chamber . the test setup is shown below . y x z dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 7 of 19 s g g p . 1 2 . 4 . a . 0 2 4.2. 2d radiation pattern xy plane x z plane x y x z dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 8 of 19 s g g p . 1 2 . 4 . a . 0 2 y z plane y z dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 9 of 19 s g g p . 1 2 . 4 . a . 0 2 4.3. 3d radiation pattern 1575.42mhz 1602mhz dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 10 of 19 s g g p . 1 2 . 4 . a . 0 2 5. mechanical drawing unit:mm dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 11 of 19 s g g p . 1 2 . 4 . a . 0 2 6. evaluation board ( sggpd.12a ) unit:mm dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 12 of 19 s g g p . 1 2 . 4 . a . 0 2 7. pcb footprint recommendation 7.1. footprint copper keepout area (unit: mm) dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 13 of 19 s g g p . 1 2 . 4 . a . 0 2 7.2. paste area (unit: mm) dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 14 of 19 s g g p . 1 2 . 4 . a . 0 2 7.3. top solde r mask (unit: mm) dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 15 of 19 s g g p . 1 2 . 4 . a . 0 2 7.4. composite diagram (unit: mm) dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 16 of 19 s g g p . 1 2 . 4 . a . 0 2 8. recommended reflow soldering profile sggp.12 a can be assembled following pb - free assembly. according to the standard ipc/jedec j - std - 020c, the temperature profile suggested is as fo llow s : dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 17 of 19 s g g p . 1 2 . 4 . a . 0 2 9. packaging 9.1. inner tray dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 18 of 19 s g g p . 1 2 . 4 . a . 0 2 u nit :mm dsp - 15 - 8 - sp e - 15 - 8 - 0 3 4 /a/ss page 19 of 19 s g g p . 1 2 . 4 . a . 0 2 |
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