bm245 0e0 805 l t ba lun matched specification rev. a product f e at u res 1. surface mount ba lun matched filter with a small size of 2.0 x 1.2 x 1.0 mm , rohs compliant . 2. provide h igh rejection rat e and dc bias option . 3. high ly st a b le under t emperature and humidity c hange s . rf characteristics physical dimens ions terminal configuration p/n bm2450e0 805 l t s pecification frequency range 2400 - 2500 mhz insertion loss 3 .5 db max vswr 2.0 max impedance (unbalanced) 50 impedance ( balanced ) conjugate to bc series of bluetooth chipset phase difference 180 10 amplitude difference 2.0 db max attenuation ( min.) 35db @ 880-96 0 m hz 30db @ 1710 -1880 m hz 20db @ 1880 -1990 m hz 40d b @ 4800 - 500 0 m hz operating tempera ture r ange - 40c to +85c symbol dimension (mm) l 2.0 0 0.15 w 1.25 0.1 5 t 1.0 0.10 a, e,f 0.20 0.15 b 0. 30 0.1 5 c 0. 3 5 0.1 5 d 0. 65 0.1 5 g 0. 3 0 0.1 5 pin definition pin definit ion p1 unbalance d port p5 balance d port p2 dc/ gnd p6 gnd p3 nc p7 balance d port p4 gnd p8 gnd p1 p2 p3 p4 p5 p6 p7 p8 frontier electronics corp. ? page: 1 of 2 667 e. coch ran st., simi v alley, ca 93065 http://www.frontierusa.com phone: 1 - 805 - 522 - 9998, fax: 1 - 805 - 522 - 9989
bm245 0e0 805 l t ba lun matched specification rev. a pcb design /layout consideration typical rf performance note: - unit in mm - design trace width to be 50 ? frontier electronics corp. ? page: 2 of 2 667 e. coch ran st., simi v alley, ca 93065 http://www.frontierusa.com phone: 1 - 805 - 522 - 9998, fax: 1 - 805 - 522 - 9989
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