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| spe - 12 - 8 - 109 / b /ss page 1 of 19 specification part no. : ca.50 product name : 5150 - 5900 mhz ceramic chip monopole a ntenna wi - fi / w hdmi / 5ghz ism band feature : 3.2mm *1.6mm * 0.5mm low profile peak gain 3 . 4 dbi compact size rohs compliant
spe - 12 - 8 - 109 / b /ss page 2 of 19 1. introduction taoglas 5150 - 5900 mhz ceramic chip antenna is specifically designed for wi - fi / w hdmi / high bandwidth 5ghz band application s . it is a high efficiency miniature smd edge mounted ceramic monopole antenna with small footprint requirement. this ceramic chip antenna uses the main pcb as its ground plane, thereby increasing antenna efficiency. it is tuned for different pcb sizes by simply changing the value of the matching circuit. ca.50 antenna electrical properties are symmetrical therefore the antenna can be soldered to the board fr om either side. at 3.2mm*1.6mm* 0.5mm , it is one of the smallest antennas available worldwide. this antenna is delivered on tape and reel. many module manufactu rers specify peak gain limits for any antennas that are to be connected to that module. those peak gain limits are based on free - space conditions. in practice, the peak gain of an antenna tested in free - space can degrade by at least 1 or 2dbi when put insi de a device. so ideally you should go for a slightly higher peak gain antenna than mentioned on the module specification to compensate for this effect, giving you better performance. upon testing of any of our antennas with your device and a selection of appropriate layout, integration technique, or cable, taoglas can make sure any of our antennas peak gain will be below the peak gain limits. taoglas can then issue a specification and/or report for the selected antenna in your device that will clearly sho w it complying with the peak gain limits, so you can be assured you are meeting regulatory requirements for that module. for example, a module manufacturer may state that the antenna must have less than 2dbi peak gain, but you dont need to select an embe dded antenna spe - 12 - 8 - 109 / b /ss page 3 of 19 that has a peak gain of less than 2dbi in free - space. this will give you a less optimized solution. it is better to go for a slightly higher free - space peak gain of 3dbi or more if available. once that antenna gets integrated into your device, performance will degrade below this 2dbi peak gain due to the effects of gnd plane, surrounding components, and device housing. if you want to be absolutely sure, contact taoglas and we will test. choosing a taoglas antenna with a higher peak gain than wh at is specified by the module manufacturer and enlisting our help will ensure you are getting the best performance possible without exceeding the peak gain limits. applications ieee802.11a (5150 - 5900 mhz) whdmi pcmcia cards, usb dongle s, high bandwidth video transmission spe - 12 - 8 - 109 / b /ss page 4 of 19 2. specification table electrical center frequency ( m hz) 5500 bandwidth (mhz) 750 min. peak gain (dbi) 3 . 4 (typical) efficiency (%) 79 (typical) vswr 2 max. impedance ( ? ) 50 ? polarization linear radiation pattern omni input power (w) 50 mec hanical dimensions (mm) 3.2 x 1.6 x 0.5 ground plane (mm) 4 0x40 material as 6 environmental temperature range - 40c to 85c temperature coefficient of frequency (ppm/c) 020 max. ( @ - 40c to 85c) humidity non - condensing 65c 95% rh spe - 12 - 8 - 109 / b /ss page 5 of 19 3. return lo ss spe - 12 - 8 - 109 / b /ss page 6 of 19 4. smith chart spe - 12 - 8 - 109 / b /ss page 7 of 19 5. efficiency spe - 12 - 8 - 109 / b /ss page 8 of 19 6. antenna radiation patterns 6 .1 3d gain pattern @ 5150 mhz z x y spe - 12 - 8 - 109 / b /ss page 9 of 19 spe - 12 - 8 - 109 / b /ss page 10 of 19 6 .2 3d gain pattern @ 5350 mhz spe - 12 - 8 - 109 / b /ss page 11 of 19 6 . 3 3d gain pattern @ 5700 mhz spe - 12 - 8 - 109 / b /ss page 12 of 19 spe - 12 - 8 - 109 / b /ss page 13 of 19 6 .4 3d gain pattern @ 5850 mhz spe - 12 - 8 - 109 / b /ss page 14 of 19 spe - 12 - 8 - 109 / b /ss page 15 of 19 7. m echanical drawing spe - 12 - 8 - 109 / b /ss page 16 of 19 spe - 12 - 8 - 109 / b /ss page 17 of 19 8. layout guide solder land pattern: matching circuit: (center frequency is 5500mhz at 4 0x40mm ground plane) spe - 12 - 8 - 109 / b /ss page 18 of 19 9. soldering conditions typical soldering profile for lead - free process: spe - 12 - 8 - 109 / b /ss page 19 of 19 10. pack ing quantity: 1 000pcs/ reel h: reel heig ht = |
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