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| (1/2) 001-02 / 20130901 / rf_balun_HHM1749N1_en.fm ? all specifications are subject to change without notice. multilayer chip baluns for dcs/tx & rx hhm series HHM1749N1 shapes and dimensions circuit diagram recommended pc board patterns electrical characteristics unbalanced impedance 50 ? balanced impedance 100 ? frequency range 1710 to 1880mhz unbalanced port return loss 10db min. phase imbalance at balanced port 18010deg. amplitude imbalance at balanced port 01.5db insertion loss 1.1db max. temperature range operating ?40 to +85c storage ?40 to +85c packaging style and quantities 4000pieces/reel conformity to rohs directive 0.5 0.1 0.8 0.1 0.3 0.1 0.1 0.1 0.25 0.1 1.6 0.1 654 123 dimensions in mm 0.55 0.1 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 100
(2/2) 001-02 / 20130901 / rf_balun_HHM1749N1_en.fm ? all specifications are subject to change without notice. frequency characteristics unbalance 50 ? /balance 100 ? return loss insertion loss amplitude balance phase balance ?30 1600 1650 2000 1950 1800 1750 1900 1700 ?20 ?25 ?15 ?10 ?5 0 1850 return loss ( db ) frequency ( mhz ) 1: 1710.0mhz ?13.88db 2: 1795.0mhz ?13.75db 3: 1880.0mhz ?13.00db 1 2 3 1600 1650 2000 1950 1800 1750 1900 1700 1850 frequency ( mhz ) ?5.0 ?4.0 ?4.5 ?3.0 ?3.5 ?2.0 ?2.5 ?1.0 ?1.5 ?0.5 0 insertion loss ( db ) 1: 1710.0mhz ?0.76db 2: 1795.0mhz ?0.76db 3: 1880.0mhz ?0.79db 1 2 3 1600 1650 2000 1950 1800 1750 1900 1700 1850 frequency ( mhz ) 2 1 4 3 5 ?4 ?5 ?2 ?3 ?1 0 amplitude balance ( db ) 1: 1710.0mhz 0.17db 2: 1795.0mhz 0.34db 3: 1880.0mhz 0.44db 1 2 3 1600 1650 2000 1950 1800 1750 1900 1700 1850 frequency ( mhz ) 160 170 180 190 200 phase balance ( deg. ) 1: 1710.0mhz 176.11deg. 2: 1795.0mhz 176.12deg. 3: 1880.0mhz 176.36deg. 1 2 3 |
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