(1/2) 001-02 / 20080105 / e751_HHM1564A4.fm ? all specifications are subject to change without notice. multilayer chip baluns for agsm/tx & rx hhm series HHM1564A4 shapes and dimensions 0.95 0.1 1.25 0.15 0.65 0.2 0.3 0.2 0.2 0.2 0.35 0.2 2.0 0.15 654 123 dimensions in mm 0.25 + 0.1 ?0.2 1 unbalanced port 2 gnd or dc feed+ rf gnd 3 balanced port 4 balanced port 5 gnd 6 n.c. terminal functions circuit diagram 123 5 64 unbalanced input 50 ? balanced output 200 ? recommended pc board patterns 0.2 0.3 0.3 0.8 0.6 0.7 ?0.3 through-hole this width is 50 ? . micro-strip line for 0.4mm thick glass-epoxy substrate. dimensions in mm 654 123 0.8 electrical characteristics unbalanced impedance 50 ? balanced impedance 2 00 ? frequency range to 824 894 mhz unbalanced port return loss 10.0db min. phase imbalance at balanced port 18010deg. amplitude imbalance at balanced port 01. 0 db insertion loss 1.0db max. temperature range operating ?40 to +85c storage ?40 to +85c packaging style and quantities 2000pieces/reel conformity to rohs directive 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 / 20080105 / e751_HHM1564A4.fm all specifications are subject to change without notice. frequency characteristics unbalance 50 ? /balance 200 ? return loss ?50 750 790 810 770 830 850 870 890 910 930 950 ?20 ?25 ?30 ?35 ?40 ?45 ?15 ?10 ?5 0 return loss ( db ) frequency ( mhz ) 1: 824.0mhz ?22.6db 2: 859.0mhz ?26.46db 3: 894.0mhz ?20.48db 1 2 3 insertion loss 750 790 810 770 830 850 870 890 910 930 950 frequency ( mhz ) 1: 824.0mhz ?0.66db 2: 859.0mhz ?0.62db 3: 894.0mhz ?0.63db ?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 3 amplitud e balance 750 790 810 770 830 850 870 890 910 930 950 frequency ( mhz ) 1: 824.0mhz 0.31db 2: 859.0mhz 0.32db 3: 894.0mhz 0.338db ?5 1 0 ?1 ?2 ?3 ?4 2 3 4 5 amplitude balance ( db ) 1 2 3 phase balance 750 790 810 770 830 850 870 890 910 930 950 frequency ( mhz ) 1: 824.0mhz 178.2deg. 2: 859.0mhz 178.0deg. 3: 894.0mhz 177.8deg. 160 180 175 170 165 185 190 195 200 phase balance ( deg. ) 1 2 3
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