skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 202532c ? skyworks proprietary and confidential i nformation ? products and product informatio n are subject to change without notice ? february 27 , 2013 1 data sheet sky12230 - 12lf : h igh i i p3 , 1 .7 - 2.3 ghz variable attenuator applications ? automatic power leveling/gain control circuits in cellular base stations and point - to - point radio if chains ? general wireless systems including lte, wcdma, vsat, and military communications features ? b roadband operating range : 1.7 to 2.3 ghz ? a ttenuation range : > 1 8. 5 db ? low insertion loss: 1.2 db ? high iip3: +5 3 dbm typical ? low current consumption: <2 ma @ maximum attenuation ? soic (8 - pin, 6.0 x 4.9 mm) package (msl 1 , 26 0 c per jedec j - std - 020) figure 1. sky12230 - 12lf block diagram description the sky12230 - 12lf is a current - controlled variable attenuator from skyworks series of high 3 rd order input in tercept point (iip3) components. the device has been designed to operate over the 1 .7 to 2.3 ghz frequency band, but is specifically optimized for use as a wide dynamic range, low distortion attenuator. the sky12230 - 12lf provid es monotonic attenuation performance over its entire control current range . this attenuator is comprised of a pair of matched pin diode s that terminate two ports of its internal 90 - degree hybrid coupler. the diodes are biased using an external control current signal. the attenuator operates with a control current range of 0 to 1. 3 ma . a functional block diagram is shown in figure 1. the pin configuration and package are shown in figure 2. signal pin assignments and functional pin descriptions are provided in table 1. http://www..net/ datasheet pdf - http://www..net/
data sheet ? sky12230 - 12lf variable attenuator lpsltpmvupotodt1ipof - tb> - tbs otso 2 sbs t4s ssbsbooob i osbot sbos osb obs4iboi t figure 2. sky12230 - 12lf pinout C 8- pin soic (top view) table 1. sky12230 - 12lf signal descriptions pin # name description pin # name description - osssoossob oobbissob o obobs osibob 2 ( (so.oo so oobobi ( (so.ooso oobobi ( (so.ooso oobobi ( (so.oo so oobobi 4 oobobs osibob - osssoossob oobbissob o technical description 5if 4,: - - is sbbibso bobsbobissbii sobbis iboiosbssob sbosobs biboi sbsiboibssbs bsbo boosiisbss bboboi bssoosboi bibsb sboobii bobooiobosb bobssobosbo siosssoio ow - bs biisibb 22 o)sosbobio bbsibioobss bobooiobsobi boi k sss bbb - to - ssoossoi sbsbbibsbsbo siibosssoi bsbiobo ( ) 1800 7 . 0 v i control control ? sb soiossso (i - ) bisibiisbsbbss bioibsbobsoboi osb - ) ibssso bobo bbibsibssbsso sbiis boiss bbobo http://www..net/ datasheet pdf - http://www..net/
data sheet ? sky12230 - 12lf variable attenuator lpsltpmvupotodt1ipof - tb> - tbs inc tso t4s ssbsbooob i osbot sbos osb obs4iboi t sbs electrical and mechanical specifications 5ifbctpmvufnbynvnsbuohtpguif 4,: - - bs sob s bbobsso b . ssboibsbssi 4,: - - bs sbosisi . table 2. sky12230 - 12lf absolute maximum ratings parameter symbol minimum maximum units 3ffstfepefpmubhf 4 os ossso i - ma 4sbsbs 4( C sbosbs C note: sbsbooososbs sbisobbioobsbsbibobis bsbsbsisoobboboiisbsosboobbi caution : although this device is designed to be as robust as possible, electrostatic discharge (esd) can damage this device. this device must be protected at all times from esd. static charges may easily produce potentials of several kilovolts on the human body or equipment , which can discharge without detection. industry - standard esd precautions should be used at all times. table 3. sky12230 - 12lf electrical specifications (note 1) (t op = +25 c, i control = 0 to 1. 3 ma , p in = 0 dbm, characteristic impedance [ z o ] = 50 , unl ess otherwise noted) parameter symbol test condition min typical max units otfsupomptt - i - () obo attn i - ma, 2 . () 9 so - i - () 22 s ssooso = bio i - ma , bo.) () sw ioibs bs : b o t 4 , t -- t o , t s - s s note 1: ssbobsbooosioo oib http://www..net/ datasheet pdf - http://www..net/
data sheet ? sky12230 - 12lf variable attenuator lpsltpmvupotodt1ipof - tb> - tbs otso 4 sbs t4s ssbsbooob i osbot sbos osb obs4iboi t typical performance characteristics ( t op = +25 c, v control = 0 to 3. 0 v, p in = 0 dbm, characteristic impedance [z o ] = 50 , unless otherwise noted) figure 3. insertion loss vs frequency vs control voltage figu re 5. iip3 vs control voltage vs frequency ( p in = 0 dbm, spacing = 10 mhz) figure 4. return loss vs frequency vs control voltage figure 6. attenuation vs control current vs frequency evaluation board description 5if 4,: - - bbo b bs i ssboi 4,: - - bsbbobs . an bsbosibbobsioos boi bsb s os . obbobs ibioos 9 bs i .bsb.sbbobsoo iboboi 4,: - - os bo i - ooibbobs s . package dimensions 5if1mbzpvugppusougpsuif 4,: - - ioo s . bbbsobsioos . bboosi - o 4 bsioos 2 , bobbosoobssos . package and handling information otusvdupotpouifti ohdpoubofsmbcfmsfhbseohfyptvsfup nptuvsfbgufsuifdpoubofstfbmtcsplfonvtucfgpmmpfe 0uifstfspcmfntsfmbufeupnptuvsfbctpsuponbzpddvs ifouifbsuttvckfdufeupihiufnfsbuvsfevsohtpmefs bttfncmz ) 4,: - - sb.s4o- .4- b - sso sbobosbossi4sbo solder reflow information eds . bsboiobb ioisiis obobsobsossosoo soboisbsiob bobs bbossb http://www..net/ datasheet pdf - http://www..net/
data sheet ? sky12230 - 12lf variable attenuator lpsltpmvupotodt1ipof - tb> - tbs inc tso t4s ssbsbooob i osbot sbos osb obs4iboi t sbs figure 7. sky12230 - 12lf evaluation board assembly diagram figure 8 . la yer detail physical characteristics http://www..net/ datasheet pdf - http://www..net/
data sheet ? sky12230 - 12lf variable attenuator lpsltpmvupotodt1ipof - tb> - tbs otso sbs t4s ssbsbooob i osbot sbos osb obs4iboi t figure 9. sky12230 - 12lf evaluation board schematic table 4. sky12230 - 12lf evaluation board bill of materials component value size manufacturer part # .sbb (.) .s bb (.) -- 22 o) sb 4 - 9- k bobo - ( 9 http://www..net/ datasheet pdf - http://www..net/
data sheet ? sky12230 - 12lf variable attenuator lpsltpmvupotodt1ipof - tb> - tbs inc tso t4s ssbsbooob i osbot sbos osb obs4iboi t sbs figure 10. sky12230 - 12lf pcb layout footprint figure 1 1 . typical part markings (top view) http://www..net/ datasheet pdf - http://www..net/
data sheet ? sky12230 - 12lf variable attenuator lpsltpmvupotodt1ipof - tb> - tbs otso sbs t4s ssbsbooob i osbot sbos osb obs4iboi t figure 12. sky12230 - 12lf 8- pin soic package dimen sions figure 13. sky12230 - 12lf tape and reel dimensions http://www..net/ datasheet pdf - http://www..net/
data sheet ? sky12230 - 12lf variable attenuator lpsltpmvupotodt1ipof - tb> - tbs inc tso t4s ssbsbooob i osbot sbos osb obs4iboi t sbs 9 ordering information model name manufacturing part number evaluation board part number : - - bsbobs 4,: - - 4,: - - - si , 4s4oois osbooiosooooi4s4ooi4swsssi bsbooiosbooboisobss skyworks bbssbobsosbobsois4sboso sssssooibsbsi osbooboiso4sbiboobos sbosssobboio4sboo bibsbsosboboibibosoibssoobsis bso sbosibo oiisssissboboobsssii o4sbobsbobsbss osbosisoso oibsossos4ssosbosbsbbbso4 ssbooo 4b ).-44.i44w)::,) )944.-4:)4-(44 -44.)-:.2-: - (.:---:()--4)4):944-: 4-.4,:,4 4):.-44).9()4).4))4. -44,:,4 4)----:.(4-(-.:4--4: 42-.(4-()-. -44-44).:4-.)4).-4.))). -4)44) 44-:4).( 4ssb sooosobbos - boobbosisooiiibsi4ssbsobos biibsosoobbb4ssoso4 sssoibbobisosbobsoo4ssbo bbsosisssb sbssosissbobboo4ssii bbsibobbsosssssbo sibsbssobosioobosbobbs oiboiss 4sbobs bbobbossosbbboososi4ss bibosbsbs 4si4sboisb isi4wbssbbsssssbbs4s4 oooio4bboisosis - bssbo boobbssobosobobsississosobosboo osbosbooobs nc.com, bsossbsso http://www..net/ datasheet pdf - http://www..net/
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