1.575 ghz multila y er gps chi p antenna p/n 1575AT54A0010 detail specification: 10/30/08 page 1 of 5 general specifications part number 1575AT54A0010 input power 2w max. frequency range 1570 - 1580 mhz impedance 50 ? peak gain 1.3 dbi typ. (yz-total) reel quanity 500 average gain -0.7 dbi typ. (yz-total) operating temperature -40 to +85c return loss 9.5 db min. packaging bulk suffix = s eg. 1575AT54A0010s terminal configuration p/n style t & r suffix = e eg. 1575AT54A0010e no. function suffix termination 100% tin suffix = none eg. 1575AT54A0010(e or s) 1 feed point style tin / lead 2 gnd 3 nc mechanical dimensions 4 gnd in mm l w t a a1 b c johanson technology, inc. reserves the right to make design changes without notice. all sales are subject to johanson technology, inc. terms and conditions. www.johansontechnology.com 4001 calle tecate ? camarillo, ca 93012 ? tel 805.389.1166 fax 805.389.1821 2008 johanson technology, inc. all rights reserved 0.236 0.008 6.00 0.20 "high frequency ceramic solutions" 0.20 4.00 0.039 0.126 0.008 0.008 0.20 0.20 0.008 15.00 3.20 0.157 0.008 0.20 0.020 0.008 0.50 0.20 storage temperature +5 to +35c, humidit y : 45-75%rh, 12 mos. max 0.020 0.50 0.591 please consult factory 1.00 0.008 0.20 1 3 4 t aa a b c c l w l a1 a a1 t 2
1.575 ghz multila y er gps chi p antenna p/n 1575AT54A0010 detail specification: 10/30/08 page 2 of 5 mounting considerations matching circuit and component values will be different, depending on pcb layout * line width should be designed to provide 50 ? impedance matching characteristics. a) without matching circuits www.johansontechnology.com 4001 calle tecate ? camarillo, ca 93012 ? tel 805.389.1166 fax 805.389.1821 2008 johanson technology, inc. all rights reserved "high frequency ceramic solutions" ) ) ) ) ) ) ) 0.5 1.4 4 0 ohm 1.5 ground no ground feeding line 5.8 gnd via 1.2 2.6 1.5 0.7 1.5 0.5 5.8 0.5
1.575 ghz multila y er gps chi p antenna p/n 1575AT54A0010 detail specification: 10/30/08 page 3 of 5 return loss - without matching circuits www.johansontechnology.com 4001 calle tecate ? camarillo, ca 93012 ? tel 805.389.1166 fax 805.389.1821 2008 johanson technology, inc. all rights reserved "high frequency ceramic solutions" ) ) ) ) ) 1.2 1.4 1.6 1.8 1.0 2.0 -20 -10 -30 0 freq, ghz db(s(1,1)) m1 m2 m3 m1 freq= db(s(1,1))=-18.667 1.570ghz m2 freq= db(s(1,1))=-16.375 1.580ghz m3 freq= db(s(1,1))=-26.496 1.575ghz
1.575 ghz multila y er gps chi p antenna p/n 1575AT54A0010 detail specification: 10/30/08 page 4 of 5 typical electrical characteristics (t=25 o c) johanson technology, inc. reserves the right to make design changes without notice. all sales are subject to johanson technology, inc. terms and conditions. www.johansontechnology.com 4001 calle tecate ? camarillo, ca 93012 ? tel 805.389.1166 fax 805.389.1821 2008 johanson technology, inc. all rights reserved "high frequency ceramic solutions" ) ) ) ) ) ) ) ) ) 100 50 no ground (yellow area) ground 15.5 34.5 6 100 50 antenna no ground (yellow area) matching circuits feeding line ground 15.5 34.5 6 test board - top-view (units in mm): test board - bottom-view (units in mm):
1.575 ghz multila y er gps chi p antenna p/n 1575AT54A0010 detail specification: 10/30/08 page 5 of 5 typical radiation patterns johanson technology, inc. reserves the right to make design changes without notice. all sales are subject to johanson technology, inc. terms and conditions. www.johansontechnology.com 4001 calle tecate ? camarillo, ca 93012 ? tel 805.389.1166 fax 805.389.1821 2008 johanson technology, inc. all rights reserved "high frequency ceramic solutions" ) ) ) ) ) ) ) ) ) xz cut @1.575ghz vertical horizontal xy cut @1.575ghz vertical horizontal yz cut @1.575ghz vertical horizontal z xy-v / xy-h 180 270 0 90 x y xy-cut scanning direction xz-v / xz-h 180 270 0 90 x z y xz-cut scanning direction yz-v / yz-h 180 270 0 90 z y yz-cut scanning direction x
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