model no. DA0775 features 30 - 150 mhz 25 nsec switching speed 4 db insertion loss 0.1 db lsb, 12.7 db range ttl control 38 pin surface mount package 7 bit daico industries rev. a / iss. 1 schottky diode 7 section attenuator .97 .010 .002 typ (lead) .015 typ (flange) .20 color bead contrasting part identification 38 20 19 1 2.260 2.06 .100 typ 1.800 .575 typ .80 typ .040 typ .053 r typ .015 .002 typ .100 typ .xx = .02 .xxx = .010 typical performance at 25 c i. loss vswr vswr i.l. (db) frequency (mhz) 10 40 100 400 1000 0 2 4 6 8 1.0 1.2 1.4 1.6 1.8 "0" "0" "0" "0" "0" "0" "1" gnd gnd c7 c6 c5 c4 c3 c2 c1 gnd gnd gnd gnd gnd gnd 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 15 13 12 11 9 8 7 6 5 4 3 2 1 38 +5v rf in/out rf in/out 6.4 db 0.8 db 0.1 db 0.4 db 0.2 db 1.6 db 3.2 db gnd 16 gnd gnd 3.2db 1.6db 0.2db 0.4db 0.1db 0.8db 6.4db gnd 10 gnd 14 guaranteed performance parameter min typ max units conditions operating frequency 30 150 mhz dc current 390 540 ma at +5 vdc supply control type ttl 7 line logic 0 = thru logic 1 = attenuation control current high 025 a vih = +2.7 v low -0.06 -200 a vil = +0.5 v insertion loss 4.0 5.0 db attenuation lsb 0.1 db range 0 12.7 db 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4 accuracy db 0.1 db to 0.9 db: (0.05 db +15% of atten. setting in db) 1.0 db to 12.7 db: (0.15 db +2% of atten. setting in db) vswr 1.15/1 1.35/1 impedance 50 ohms switching speed 25 35 nsec 50% ttl to 90% / 10% rf transition (rise/fall) time 7 nsec 90% / 10% or 10% / 90% rf switching (video) transients 500 mv peak value intercept points 2nd 93 dbm 40 mhz / 30 mhz 3rd 36 dbm 55 mhz / 40 mhz rf power operate +15 +10 dbm 0.1 db compression no damage +20 dbm operating temperature -55 +25 +85 cta
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