be r ex b d 25 b http: //www.berex.com quadruple band 2 - way smt power divider 17 00~25 00mhz us pcs & pcs , wcdma & td - scdma , wibro device features and description ? 2 3 db typical isolation ? 0. 5 db typical insertion loss ? small size and low profile ? msl 1 moisture rating ? lead - free/green/rohs compliant package ? application : commercial, space, military wireless s ystem ? industry standard soic - 8 smt plastic package with exposed back side ground pad ? chip is fully passivated for enhanced performance and reliability ? can be used without back side ground soldering (this may degrade the performance at the high frequency edge. refer to the following typical test data) electrical specification s parameter s unit min typ max frequency range mhz 1 7 00 25 00 insertion loss db 0. 5 0. 8 isolation db 1 5 2 3 irl (s11) db - 2 0 - 15 orl (s22,s33) db - 2 3 - 15 amplitude balance db 0.05 0.2 phase balance deg 1.0 2.0 all specifications apply with the following test conditions, 1. device performance is measured on berex evaluation board at 25c, 50 ohm system 2. insertion loss: above 3.0db 3. back side ground was soldered absolute maximum ratings parameter s rating input power 1w cw storage temperature - 5 5 to +155 ? c operating temperature - 40c to +85 ? c operation of this device above any of these parameters may result in permanent damage. function block diagram
be r ex b d 25 b http: //www.berex.com evaluation board drawing pins 1,3,4,6 and 7 must be dc and rf grounded. typical test data with back side ground soldering parameter s unit uspcs & pcs td - scdma wcdma wibro frequency range mhz 1700 1800 1900 1900 2075 2250 2200 2350 2500 insertion loss db 0.37 0.38 0.38 0.38 0.42 0.53 0.48 0.60 0.75 isolation db 19.6 20.8 21.9 21.9 25.7 28.9 30.6 22.2 15.5 irl (s11) db - 21.3 - 23.7 - 25.4 - 25.4 - 22.0 - 17.3 - 18.5 - 15.2 - 12.6 orl (s22,s33) db - 24.4 - 32.2 - 33.9 - 33.9 - 24.7 - 22.4 - 22.6 - 22.5 - 22.7 phase diff. deg 0.2 0.2 0.3 0.3 0.4 0.5 0.5 0.7 0.7 amplitude balance db 0.07 0.07 0.07 0.08 0.09 0.10 0.10 0.12 0.10 with out back side ground soldering parameter s unit uspcs & pcs td - scdma wcdma wibro frequency range mhz 1700 1800 1900 1900 2075 2250 2200 2350 2500 insertion loss db 0.40 0.41 0.42 0.42 0.49 0.64 0.59 0.75 0.94 isolation db 19.5 21.1 22.7 22.7 26.3 23.6 25.7 19.0 13.7 irl (s11) db - 20.8 - 21.7 - 21.1 - 21.1 - 17.8 - 14.3 - 15.2 - 12.4 - 10.2 orl (s22,s33) db - 25.9 - 37.8 - 31.5 - 31.5 - 22.8 - 20.3 - 20.6 - 19.9 - 19.4 phase diff. deg 1.5 1.5 1.6 1.6 1.7 1.7 1.7 1.7 2.0 amplitude balance db 0.08 0.08 0.09 0.09 0.11 0.10 0.11 0.10 0.08
be r ex b d 25 b http: //www.berex.com insertion loss vs. frequency isolation vs. frequency irl vs. frequency orl vs. frequency notes) - bg: data taken with backside ground soldering - nbg: data taken without backside ground soldering -6 -5 -4 -3 -2 -1 0 1700 1900 2100 2300 2500 freq [mhz] insertion loss [db] bg nbg -30 -25 -20 -15 -10 -5 0 1700 1900 2100 2300 2500 freq [mhz] isolation [db] bg nbg -30.00 -25.00 -20.00 -15.00 -10.00 -5.00 0.00 1700 1900 2100 2300 2500 freq [mhz] irl [db] bg nbg -30.00 -25.00 -20.00 -15.00 -10.00 -5.00 0.00 1700 1900 2100 2300 2500 freq [mhz] orl [db] bg nbg
be r ex b d 25 b http: //www.berex.com package drawing
be r ex b d 25 b http: //www.berex.com suggested pcb land pattern and pad layout pcb land pattern pcb mounting visit http://www.berex.com for pcb layout tape & reel packaging information: tape width (mm): 12 reel size (inches): 7 device cavity pitch (mm): 8 devices per reel: 1000 lead plating finish 100% tin matte finish. (all berex products undergoes a 1 hour, 150 degree c, anneal bake to eliminate thin whisker growth concerns) msl / esd rating msl rating: standard: level 3 at +265 ? c convection reflow jedec standard j - std - 020 n ato cage code: notice berex corporation reserves the right to make changes of product specification or to discontinue product at any time without notice. 2 n 9 6 f 0 . 0 1 8 " ( 0 . 4 5 ) 0 . 0 4 7 " ( 1 . 2 0 ) 0 . 0 7 6 " ( 1 . 9 2 ) 0 . 1 5 7 " ( 3 . 9 8 ) 0 . 1 9 8 " ( 5 . 0 2 ) 0 . 0 3 0 " ( 0 . 7 6 ) 0 . 0 4 0 " ( 1 . 0 1 ) r f i n r f o u t 1 r f o u t 2 s o i c 8 s o i c 8 - p a r t o r i e n t a t i o n d i r e c t i o n o f f e e d
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