(1/2) 001-02 / 20130901 / rf_bpf_DEA205787BT-2048C1_en.fm ? all specifications are subject to change without notice. multilayer chip band pass filters for 5.0ghz digital cordless dea series de a205787bt-2048c1 shapes and dimensions recommended pc board patterns conformity to rohs directive dimensions in mm 0.25 0.1 4 2 3 1 1.0 0.15 0.95 0.1 2.0 0.15 1.25 0.15 0.3 0.15 0.25 0.1 0.7 0.15 1in 2 gnd 3 out 4 gnd terminal functions 0.95 0.45 0.7 0.5 0.67 0.14 0.4 0.7 1.1 0.6 1.5 2.8 dimensions in mm line width be designed to match 50 characteristic impedance depending on pcb material and thickness. land solder resist ? conformity to rohs directive: this means that, in conformity with eu directive 2002/95/ ec, lead, cadmium, mercury, hexavalent c hromium, and specific bromine-based flame retar dants, pbb and pbde, have not been used, except for exempted applications.
(2/2) 001-02 / 20130901 / rf_bpf_DEA205787BT-2048C1_en.fm ? all specifications are subject to change without notice. electrical characteristics ? ta:+25c frequency characteristics insertion loss attenuation smith charts s11 s22 item minimum value typical value maximum value center frequency [5787.5mhz] insertion loss [5725 to 5850mhz] (db) ? ? 1.5 vswr [5725 to 5850mhz] ? ? 2.0 attenuation [1908 to 1950mhz] (db) 45 ? ? [3816 to 3900mhz] (db) 45 ? ? [11450 to 11700mhz] (db) 25 ? ? ripple [5725 to 5850mhz] (db) ? ? 0.6 temperature range operating (c) ?40 ? +85 storage (c) ?40 ? +85 ?70 ?40 ?50 ?30 ?60 ?20 ?10 0 attenuatio n ( db ) frequency ( mhz ) 1: 1908mhz ?50.446db 2: 1950mhz ?50.475db 3: 3816mhz ?58.215db 4: 3900mhz ?55.797db 5: 11450mhz ?41.933db 6: 11700mhz ?44.528db attenuation 1: 5725mhz ?19.814db 2: 5850mhz ?23.13db return loss 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 ?5 ?4 ?2 ?3 ?1 0 insertion loss ( db ) frequency ( mhz ) 5500 5600 5700 5800 5900 6000 1: 5725mhz ?0.969db 2: 5850mhz ?0.888db
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