tolerances (unless otherwise specified) x : 1 x.x : 0.1 x.xx : 0.01 angle : hole dia. : unictron technologies corporation website: www.unictron.com scale : unit mm prepared by : meiping checked by :chinling designed by :chinling approved by :herbert this specification is the property of unictron technologies corporation and shall not be reproduced or used in all circumstances without written permission document rev. title 20 x 6.0 x 4.0 lp ceramic patch antenna (aa027b) no. H2P13QHCAS0100 c page 1 of 5 h 2 h 3 q c s 1 0 p 1 (1) (2) (3) (4) (5) (6) 0 a 0 20 x 6.0 x 4.0 lp ceramic patch antenna (aa027b) 1. explanation of product number product code: (1) product categories: 3: ceramic patch antenna (2) dimensions and polarization: qh: 20 x 6.0 x 4.0(mm)/ linear polarization (3) material: c: ma-fl (4) working frequency: a: 1575.42mhz (5) ground plane dimensions: s: 20 x 6.0(mm) (6) antenna series: 01 : serial number
tolerances (unless otherwise specified) x : 1 x.x : 0.1 x.xx : 0.01 angle : hole dia. : unictron technologies corporation website: www.unictron.com scale : unit mm prepared by : meiping checked by :chinling designed by :chinling approved by :herbert this specification is the property of unictron technologies corporation and shall not be reproduced or used in all circumstances without written permission document rev. title 20 x 6.0 x 4.0 lp ceramic patch antenna (aa027b) no. H2P13QHCAS0100 c page 2 of 5 2. features *stable and reliable in performances *low temperature coefficient of frequency *compact size *rohs compliance 3. applications *navigation systems or position tracking systems *hand-held devices when gps function is needed, e.g., pda, smart phone, pnd. 4. description unictron?s patch antenna series are cera mic antennas specially designed for gps application. this ceramic patch antenna has excellent stability an d sensitivity through the use of high performance proprietary ceramic materials and processes. 5. electrical specifications (20x6.0(mm) ground plane) 5-1. characteristics specifications unit outline dimensions 20x6.0x4.0 mm ground plane 20x6.0 mm center frequency* 1575.42 2 mhz bandwidth (under -10db return loss) 7 min. mhz vswr 2 max. impedance 50 polarization lp peak 1.5 (typical) dbi gain efficiency 62 (typical) % temperature coefficient of frequency 020 max (@ -40 ~85 ) ppm/ *center frequency will be offset to working frequency accordi ng to the conditions of user?s ground plane and radome.
tolerances (unless otherwise specified) x : 1 x.x : 0.1 x.xx : 0.01 angle : hole dia. : unictron technologies corporation website: www.unictron.com scale : unit mm prepared by : meiping checked by :chinling designed by :chinling approved by :herbert this specification is the property of unictron technologies corporation and shall not be reproduced or used in all circumstances without written permission document rev. title 20 x 6.0 x 4.0 lp ceramic patch antenna (aa027b) no. H2P13QHCAS0100 c page 3 of 5 5-2. return loss(s 11 ) smith chart(s 11 ) 6. antenna dimensions (unit: mm) front side back side 0.820.05 40.2 3.80.2 19.040.2 60.2 9.520.2 0.5max 4 m a x 0.1250 1.40.14
tolerances (unless otherwise specified) x : 1 x.x : 0.1 x.xx : 0.01 angle : hole dia. : unictron technologies corporation website: www.unictron.com scale : unit mm prepared by : meiping checked by :chinling designed by :chinling approved by :herbert this specification is the property of unictron technologies corporation and shall not be reproduced or used in all circumstances without written permission document rev. title 20 x 6.0 x 4.0 lp ceramic patch antenna (aa027b) no. H2P13QHCAS0100 c page 4 of 5 7. radiation pattern (20x6.0(mm) ground plane) 7-1. 3d gps gain pattern (at 1575.42 mhz) y x z y x z y z x x y z
tolerances (unless otherwise specified) x : 1 x.x : 0.1 x.xx : 0.01 angle : hole dia. : unictron technologies corporation website: www.unictron.com scale : unit mm prepared by : meiping checked by :chinling designed by :chinling approved by :herbert this specification is the property of unictron technologies corporation and shall not be reproduced or used in all circumstances without written permission document rev. title 20 x 6.0 x 4.0 lp ceramic patch antenna (aa027b) no. H2P13QHCAS0100 c page 5 of 5 7-2. efficiency table frequency(ghz) 1.570 1.571 1.572 1.573 1.574 1.575 1.576 1.577 1.578 1.579 1.580 efficiency(db) -3.11 -2.80 -2.66 -2.28 -2 .13 -2.02 -1.99 -2.01 -2.07 -2.18 -2.34 efficiency (%) 48.87 52.53 54.24 59.21 61.28 62.75 63.29 63.02 62.08 60.49 58.33 gain (dbi) 0.46 0.78 1.08 1.29 1.43 1.50 1.51 1.48 1.40 1.26 1.06 7-3. efficiency vs. frequency efficiency vs. frequency 30.000 40.000 50.000 60.000 70.000 1.570 1.571 1.572 1.573 1.574 1.575 1.576 1.577 1.578 1.579 1.580 frequency(ghz) efficiency (%) 2 0 1 1 - 1 1 - 2 4
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