(1/2) 001-01 / 20080107 / e751_HHM1903A1.fm ? all specifications are subject to change without notice. multilayer chip baluns for bluetooth & 2.4ghz w-lan hhm series HHM1903A1 shapes and dimensions recommended pc board patterns electrical characteristics unbalanced impedance 50 ? balanced impedance 100 ? frequency range 2400 to 2500mhz unbalanced port return loss 10db min. phase imbalance at balanced port 18010deg amplitude imbalance at balanced port 02.0db insertion loss 1.0db max. temperature range operating ?40 to +85c storage ?40 to +85c conformity to rohs directive dimensions in mm 0.120.07 0.350.1 2 4 3 0.30.1 0.5max. 1.00.05 0.50.05 0.30.1 0.120.07 1 1 balance 2 unbalance 3 balance 4 gnd terminal functions 0.3 0.2 0.7 0.3 0.45 0.05 0.45 dimensions in mm land 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. www..net
(2/2) 001-01 / 20080107 / e751_HHM1903A1.fm all specifications are subject to change without notice. frequency characteristics unbalance 50 ? /balance 100 ? return loss insertion loss amplitude balance phase balance ?40 2100 2200 2300 2400 2500 2600 2700 ?20 ?25 ?30 ?35 ?15 ?10 ?5 0 return loss ( db ) frequency ( mhz ) 1: 2400.0mhz ?16.91db 2: 2500.0mhz ?17.28db 1 2 2100 2200 2300 2400 2500 2600 2700 frequency ( mhz ) 1: 2400.0mhz ?0.39db 2: 2500.0mhz ?0.40db ?5.0 ?2.0 ?2.5 ?3.0 ?3.5 ?4.0 ?4.5 ?1.5 ?1.0 ?0.5 0.0 insertion loss ( db ) 1 2 2100 2200 2300 2400 2500 2600 2700 frequency ( mhz ) 1: 2400.0mhz 0.13db 2: 2500.0mhz ?0.54db ?5 1 0 ?1 ?2 ?3 ?4 2 3 4 5 amplitude balance ( db ) 1 2 2100 2200 2300 2400 2500 2600 2700 frequency ( mhz ) 1: 2400.0mhz 175.62deg. 2: 2500.0mhz 175.79deg. 160 180 170 190 200 phase balance ( deg. ) 1 2
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