bm245 0e0 805h 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 0.9 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 pcb design /layout consideration p/n bm2450e0 805 h t sp ecification frequency range 2400 - 2500 mhz insertion loss 2.8 db max vswr 2. 1 max impedance (unbalanced) 50 impedance ( balanced ) conjugate match ed to b c series of bluetooth ch ipset phase difference 180 10 amplitude difference 2.0 db max attenuation ( min.) 35db @ 880~960 mhz 30db @ 1575 mhz 25db @ 1710~1880 mhz 30db @ 4800~5000 mhz operating temp erature r ange - 40c to +85c symbol dimension (mm) l 2.0 0 0.15 w 1.25 0.1 0 t 0. 9 0 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. 3 0 0.1 0 pin definition pin defin ition p1 unbalanced port p5 balanced port p2 dc/gnd p6 gnd p3 nc p7 balanced port p4 gnd p8 gnd p1 p2 p3 p4 p5 p6 p7 p8 note: - unit in mm - design trace width to be 50 ? unbalance d port 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 805h t ba lun matched specification rev. a typical rf performance 1 2 3 4 5 0 6 -60 -40 -20 -80 0 freq, ghz db(s(1,1)) db(s(2,1)) m1 m2 m3 m4 m5 m6 m1 freq= db(s(2,1))=-2.101 2.450ghz m2 freq= db(s(2,1))=-21.365 1.990ghz m3 freq= db(s(2,1))=-33.849 1.880ghz m4 freq= db(s(2,1))=-35.698 1.575ghz m5 freq= db(s(2,1))=-37.403 980.0mhz m6 freq= db(s(2,1))=-48.975 4.900ghz 1 2 3 4 5 0 6 -100 0 100 -200 200 freq, ghz phase(s(1,2)) m8 phase(s(1,3)) m7 m7 freq= phase(s(1,3))=72.722 2.450ghz m8 freq= phase(s(1,2))=-108.953 2.450ghz 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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