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 0. 95 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 specification frequency range 2400 - 2500 mhz insertion loss 2 .5 db max vswr 2.0 max impedance (unbalanced) 50 impedance ( balanced ) conjugate to mt5931m/mt6628 chipset phase difference 180 10 amplitude difference 2.0 db max attenuation ( min.) 35db @ 824~960 mhz 32db @ 1990 mhz 18db @ 2170 mhz 40db @ 4800 - 5000mhz 25db @ 7200 - 7500mhz operating temper ature r ange - 40c to +85c symbol dimension (mm) l 2.0 0 0.15 w 1.25 0.1 0 t 0. 95 0.10 a, e,f 0.20 0.15 b 0. 30 0.1 0 c 0. 3 5 0.1 0 d 0. 65 0.1 0 g 0. 30 0.1 0 pin definition pin defin ition p1 unbalance d port p5 balance d port p2 dc/ nc 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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