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| (1/2) 001-02 / 20130901 / rf_balun_HHM1518A3_en.fm ? all specifications are subject to change without notice. multilayer chip baluns for dcs-pcs/tx & rx hhm series HHM1518A3 shapes and dimensions circuit diagram recommended pc board patterns electrical characteristics unbalanced impedance 50 ? balanced impedance 150 ? frequency range 1710 to 1990mhz unbalanced port return loss 10db min. phase imbalance at balanced port 18010deg. amplitude imbalance at balanced port 01.0db 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 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 123 5 64 unbalanced input 50 balanced output 150
(2/2) 001-02 / 20130901 / rf_balun_HHM1518A3_en.fm ? all specifications are subject to change without notice. frequency characteristics unbalance 50 ? /balance 150 ? return loss insertion loss amplitude balance phase balance ?50 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 ?20 ?25 ?30 ?35 ?40 ?45 ?15 ?10 ?5 0 return loss ( db ) frequency ( mhz ) 1: 1710mhz ?20.71db 2: 1850mhz ?19.68db 3: 1990mhz ?19.87db 1 2 3 ?5.0 ?4.0 ?4.5 ?3.0 ?3.5 ?2.0 ?2.5 ?1.0 ?1.5 ?0.5 0.0 insertion loss ( db ) frequency ( mhz ) 1: 1710mhz ?0.544db 2: 1850mhz ?0.580db 3: 1990mhz ?0.611db 1 2 3 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 2 1 4 3 5 ?4 ?5 ?2 ?3 ?1 0 amplitude balance ( db ) frequency ( mhz ) 1: 1710mhz 0.265db 2: 1850mhz 0.222db 3: 1990mhz 0.101db 2 3 1 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 155 160 170 180 190 165 175 185 195 205 200 phase balance ( deg. ) 1: 1710mhz 177.8deg. 2: 1850mhz 178.9deg. 3: 1990mhz 179.8deg. 1 2 3 frequency ( mhz ) 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 |
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