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| spe - 12 - 8 - 091/a /ss page 1 of 8 specification part no. : gp . 157 5 . 1 8 . 4 . a . 02 product name : miniature gps /galileo patch antenna features : 18 m m* 18 mm* 4 mm rohs compliant :
spe - 12 - 8 - 091/a /ss page 2 of 8 1. introduction this ceramic gps /galileo patch antenna is based on smart xtremegain ? technolog y . it is mounted via pin and double - sided adhesive and has been selected as optimal solution for the 50x5 0mm ground plane. 2. specification table original patch specification tested on 50 *50 mm ground plane no parameter specification 1 center freque ncy 1575mhz +/ - 3mhz** 2 impedance 50? 3 bandwidth 8mhz min return loss < - 10db 4 vswr 1.5 max center frequency 5 gain toward zenith +2.5 dbi c typ. 6 gain at 10elevation - 4.5 dbi c typ. 7 axial ratio 3db max. 8 polarization right hand circular polarization 9 frequency temperature c oefficient f 0 20ppm/c 10 operating temperature - 40oc to +85 oc **changes in user groundplane and environment will offset centre frequency spe - 12 - 8 - 091/a /ss page 3 of 8 electrical specification 2.1. smith chart spe - 12 - 8 - 091/a /ss page 4 of 8 3. dimensions and drawing spe - 12 - 8 - 091/a /ss page 5 of 8 3.1. layout dimension *note layou t dimensions may be a ffected by the thickness of the pcb 4. test jig and dimensions spe - 12 - 8 - 091/a /ss page 6 of 8 4.1. test fixture antenna setup & measurements spe - 12 - 8 - 091/a /ss page 7 of 8 5. packaging ? per tray: 25 pieces ? per carton (inside box) C 8 trays = 2 00 pieces ? outer carton (outside box) C 4 cartons = 8 00 pieces 25 pieces per tray 8 tray s per carton spe - 12 - 8 - 091/a /ss page 8 of 8 taoglas makes no warranties based on the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. taoglas reserves all rights to this document an d the information contained herein. reproduction, use or disclosure to third parties without express permission is strictly prohibited. copyright ? taoglas ltd. |
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