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sp e - 16 - 8 - 018 /a/ss page 1 of 15 specification part no. : cggp.25.4.e.02 description : gps/glonass dual - band patch antenna 25*25*4mm feature s : dual - band gnss operation 1575.42mhz and 1602 mhz resonance 25*25*4mm pin type ceramic patch antenna automotive ts16949 production and qua lity approved rohs compliant
sp e - 16 - 8 - 018 /a/ss page 2 of 15 1. introduction the cggp.25.4.e.02 is a 25*25*4 mm embedded ceramic gps/glonass patch antenna . it features a double resonance design at gps and glonass bands, 1575 .42 mhz and 16 02 mhz respectively . this antenna has been tuned for a centre position on a 70mm *70mm ground plane. return loss is - 28 db at 1575.42mhz and - 22 db at glonass . overall the antenna has greater than 60% efficiency. for further optimization to customer specific device environme nts where positioning is off ce ntre or a different ground - plane size, custom tuned patch antenna s can be supplied. sp e - 16 - 8 - 018 /a/ss page 3 of 15 2. specification electrical application bands gps glonass operation frequency 1575.42 1.023 mhz 1602 5 mhz vswr 1.8 max efficiency 88.02% 88.63% peak gain 5.3 9dbi 5.46dbi axial ratio ~10 ~9 polarization linear impedance 50 ohms mechanical ceramic dimension 25 x 25 x 4 mm pin diameter 0.9 mm pin length 1.7mm weight 9.5g environmental operation temperature - 40c to 105 c humidity non - condensing 65c 95% rh * antenna properties were measured with the antenna mounted on 70*70 mm ground plane taoglas part# cggpd.25.h sp e - 16 - 8 - 018 /a/ss page 4 of 15 3. antenna characteristcs 3. 1 return loss 3. 2 efficiency sp e - 16 - 8 - 018 /a/ss page 5 of 15 3.3 average gain 3 .4 peak gain sp e - 16 - 8 - 018 /a/ss page 6 of 15 4. antenna radiation p attern 4.1 measurement setup 4.2 2d radiation pattern xy plane y x z x y sp e - 16 - 8 - 018 /a/ss page 7 of 15 xz plane yz plane x y z z sp e - 16 - 8 - 018 /a/ss page 8 of 15 4.3 3d radiation pattern @1575.42mhz @1575.42mhz sp e - 16 - 8 - 018 /a/ss page 9 of 15 5. axial r atio 5.1 1575.42 mhz 5.2 1602 mhz sp e - 16 - 8 - 018 /a/ss page 10 of 15 6. mechan ical drawing unit:mm sp e - 16 - 8 - 018 /a/ss page 11 of 15 6.1. adhesive thickness sp e - 16 - 8 - 018 /a/ss page 12 of 15 7. pcb footprint recommendation sp e - 16 - 8 - 018 /a/ss page 13 of 15 8. evaluation board (cggpd.25.h) sp e - 16 - 8 - 018 /a/ss page 14 of 15 9. packaging sp e - 16 - 8 - 018 /a/ss page 15 of 15 200 units / inside carton (261*152*118mm) 800 units / outside carton (330*280 *270mm) total weight : 9.3 kg |
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