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| spe - 12 - 8 - 098/a /s s page 1 of 11 specification part no. : gp . 15 75 . 3 5 .3 .a .02 specification n o : gp.35 a product name : 3.5 mm thick gps patch antenna , 1575 mhz features : 3 5 m m* 3 5 mm* 3.5 mm rohs compliant :
spe - 12 - 8 - 098/a /s s page 2 of 11 1. introduction this 35*35mm ceramic gps patch ant enna is based on smart xtremegain ? technology. it is mounted via pin and double - sided adhesive and has been tuned as optimal solution for the customer device environment. 2. key antenna performance indicators original patch specification tested on 5 0 *50 mm ground plane no parameter sp ecification notes 1 range of receiving frequency 1616~1626.5mhz 2 center frequency 1575mhz 6mhz with 50x50mm ground plane 3 bandwidth 22mhz min return loss ? - 10 db 4 vswr 1.5 max center frequency 5 gain at zenith 2.0 dbi c typ. 6 gain at 10elev ation 1.5dbi c typ. 7 axial ratio 3 db max 8 polarization rhcp 9 impedance 50 ohms 10 frequency temperature coefficient f 0 20ppm / o c - 40oc to +8 5oc 11 operating temperature - 40c to +8 5c spe - 12 - 8 - 098/a /s s page 3 of 11 3. electrical specification 3.1 smith chart spe - 12 - 8 - 098/a /s s page 4 of 11 4. 2d radiation 4.1 xz plane radiation spe - 12 - 8 - 098/a /s s page 5 of 11 4.2 yz plane radiation spe - 12 - 8 - 098/a /s s page 6 of 11 4.3 axial ratio spe - 12 - 8 - 098/a /s s page 7 of 11 5. mechanical drawing spe - 12 - 8 - 098/a /s s page 8 of 11 5.1 layout dimensions 5.2 test jig and dimension spe - 12 - 8 - 098/a /s s page 9 of 11 5.3 test fixture antenna setup and measurements spe - 12 - 8 - 098/a /s s page 10 of 11 6. packing spe - 12 - 8 - 098/a /s s page 11 of 11 |
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