(1/2) 001-03 / 20100224 / e761_HHM2319B2.fm ? all specifications are subject to change without notice. multilayer chip dual-band directional couplers for agsm/dcs/pcs-tx hhm series HHM2319B2 shapes and dimensions circuit diagram recommended pc board patterns this width is 50 ? . cpw for 0.6mm thick teflon substrate. conformity to rohs directive 0.95 0.2 1.25 0.15 0.3 0.2 0.2 0.2 0.35 0.1 2.0 0.15 3 4 8 21 567 0.25 0.2 dimensions in mm 0.65 0.1 1 band1 input port 2 gnd 3 band2 input port 450 ? termination 5 band2 output port 6 gnd 7 band1 output port 8 monitor output port terminal functions out ( 1 ) 7 1 in ( 1 ) 2 gnd 3 in ( 2 ) gnd 6 out ( 2 ) 5 50 ? monitor output 8 4 0.3 1.0 0.3 0.4 ?0.3 ?0.3 dimensions in mm 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) 001-03 / 20100224 / e761_HHM2319B2.fm all specifications are subject to change without notice. electrical characteristics ? isolation between opposite bands is specified over the frequency ranges of both bands. isolation in-band is specified over the frequency of the band in frequency. frequency characteristics amps850/gsm900 coupling isolation insertion loss vswr dcs1800/pcs1900 coupling isolation insertion loss vswr band 12 system amps gsm dcs pcs frequency range (mhz) 824 to 849 880 to 915 1710 to 1785 1850 to 1910 coupling factor (db) 20.01.0 20.01.0 20.01.0 20.01.0 insertion loss (db)max. 0.20 0.20 0.30 0.30 isolation ? (directivity) in 1 -out 2 (db)min. 32 32 32 32 in 2 -out 1 (db)min. 32 32 32 32 in 1 -in 2 (db)min. 28 28 28 28 in-load (db)min. 35typ. 32min. 35typ. 32min. 35typ. 32min. 35typ. 32min. vswr max. 1.3 1.3 1.3 1.3 temperature range operating (c) ?40 to +85 ?40 to +85 ?40 to +85 ?40 to +85 storage (c) ?40 to +85 ?40 to +85 ?40 to +85 ?40 to +85 ?30 800 1000 950 900 850 ?25 ?20 ?15 ?10 coupling factor ( db ) frequency ( mhz ) 1: 824mhz ?20.3db 2: 849mhz ?20.0db 3: 880mhz ?19.7db 4: 915mhz ?19.4db 1 2 3 4 ?45 ?40 ?30 ?35 ?25 ?20 800 850 1000 950 900 isolation ( db ) frequency ( mhz ) 1: 824mhz ?36.5db 2: 849mhz ?36.1db 3: 880mhz ?35.7db 4: 915mhz ?35.1db 1 2 3 4 800 850 1000 950 900 frequency ( mhz ) ?0.8 ?1.0 ?0.4 ?0.6 ?0.2 0 insertion loss ( db ) 1: 824 mhz ? 0.06 db 2: 849 mhz ? 0.06 db 3: 880mhz ? 0.06 db 4: 915mhz ? 0.07 db 1 2 3 4 800 850 1000 950 900 frequency ( mhz ) 1.2 1.4 1.6 1.8 1.0 2.0 vswr ( db ) 1: 824mhz ?34.1db 2: 849mhz ?33.3db 3: 880mhz ?32.2db 4: 915mhz ?31.2db 2 3 4 1 ?30 1700 2000 1850 1800 1950 1900 1750 ?25 ?20 ?15 ?10 coupling factor ( db ) frequency ( mhz ) 1: 1710mhz ?20.8db 2: 1785mhz ?20.5db 3: 1850mhz ?20.3db 4: 1910mhz ?20.0db 1 2 3 4 1700 2000 1850 1800 1950 1900 1750 frequency ( mhz ) ?50 ?40 ?45 ?30 ?35 ?25 ?20 isolation ( db ) 1: 1710mhz ?35.7db 2: 1785mhz ?35.8db 3: 1850mhz ?35.9db 4: 1910mhz ?36.0db 1 2 3 4 1700 2000 1850 1800 1950 1900 1750 frequency ( mhz ) 1: 1710mhz ?0.10db 2: 1785mhz ?0.12db 3: 1850mhz ?0.13db 4: 1910mhz ?0.12db ?0.8 ?1.0 ?0.4 ?0.6 ?0.2 0 insertion loss ( db ) 1 2 3 4 1700 2000 1850 1800 1950 1900 1750 frequency ( mhz ) 1: 1710mhz ?36.5db 2: 1785mhz ?34.7db 3: 1850mhz ?34.7db 4: 1910mhz ?32.7db 1.2 1.4 1.6 1.8 1.0 2.0 vswr ( db ) 2 3 4 1
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