Tektronix TAS 455, Service Manual

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Maintenance Information
TAS 455 and TAS 465 Service Manual
6Ć3
+ *+0 .")+2" 0%" +/ &((+/ +," &*"0 1*("// 4+1 %2" )"0 ,." 10&+*
*1)". +2" +*/&!". (( &*0".*( )+!1("/ /00& /"*/&0&2"
")+2" *40%&*$ ,(" +# $"*".0&*$ +. %+(!&*$ /00& %.$" #.+)
0%" 3+.' /00&+* /1.# "
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+ *+0 1/" %&$%52"(+ &04 +),."//"! &. 3%"* ("*&*$ !1/0 #.+)
)+!1("/
("5 (&/0/ 0%" ."(0&2" /1/ ",0&&(&04 +# 2.&+1/ (//"/ +# /")& +*!1 5
0+./ 00& 2+(0$"/ +# ' 0+ ' ." +))+* &* 1*,.+0" 0"! "*2&.+*5
)"*0/
TableĂ6Ć1:ăRelative Susceptibility to StaticĆDischarge Damage
Semiconductor Classes Relative
Susceptibility
Levels
1
+. )& .+ &. 1&0/ +. !&/ ."0" &. 1&0/ +. (&*5
". )& .+ &. 1&0/ 3&0% &*,10/ )+/0 /"*/&0&2"
%+00'4 /&$*( !&+!"/
%+00'4
&$%5#."-1"* 4 &,+(. 0.*/&/0+./
&*". )& .+ &. 1&0/
+35,+3". %+00'4
("/0 /"*/&0&2"
1
Voltage equivalent for levels (voltage discharged from a 100ĂpF capacitor through resisĆ
tanceof 100 ohms
1Ă=Ă100 to 500 V 6 = 600 to 800 V
2 = 200 to 500 V 7 = 400 to 1000 V (est.)
3 = 250 V 8 = 900 V
4 = 500 V 9 = 1200 V
5 = 400 to 600 V
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