Tektronix TDS 520A, Руководство по обслуживанию

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Performance Tests
Performance Verification
4Ć24
.++.6 3(%2% 14+%2 3. ,!3#( 3()2 /1.#%$41% 3. 3(% ,.$%+ .& 3(% .2#)+;
+.2#./% 4-$%1 3%23
Models TDS 540A, 544A Only <(%- 42)-' !"+%; 3. 3%23
< )'-.1% 3(% #.+4,-2 &.1 2%33)-'2 !-$
+),)32
Model TDS 520A, 524A Only <2% !"+% ; 3. 3%23 )-/43 #(!--%+2
42% 3(% #.+4,-2 &.1 < 6(%- 3%23)-' !-$ 42%
3(% #.+4,-2 &.1 !-$ 6(%- 3%23)-' 3(.2% #(!--%+2
TableĂ4Ć2:ăDC Offset Accuracy (Zero Setting)
Vertical Scale
Setting
Vertical
Position Offset Accuracy Limits
CH 1 -
CH 4
AUX 1 &
AUX 2
and Offset
Setting
1
CH 1 - CH 4 AUX 1 & AUX 2
:, :, 9:, 9:,
:, 9 :, 9:,
: : 9 :, 9:
1
Vertical position is set to 0 divisions and vertical offset to 0 V when the oscilloscope is
initialized in step 1.
" Set the vertical scale: %3 3(% 5%13)#!+ SCALE 3. .-% .& 3(% 2%33)-'2
+)23%$ )- !"+% ; 3(!3 )2 -.3 7%3 #(%#*%$ 3!13 6)3( 3(% &)123 2%33)-'
+)23%$
# Display the test signal: (% "!2%+)-% 3%23 +%5%+ 6!2 )-)3)!+)8%$ &.1 !++
#(!--%+2 )- 23%/ !-$ )2 $)2/+!7%$ !2 7.4 2%+%#3 %!#( #(!--%+ !-$
)32 5%13)#!+ 2#!+% % 241% not 3. 42% 3(% 5%13)#!+ POSITION *-." 6()+%
#(%#*)-' !-7 #(!--%+ &.1 !##41!#7 .& .&&2%3 2)-#% 5!17)-' 3(% /.2);
3).- )-5!+)$!3%2 3(% #(%#*
$ Measure the test signal: .3!3% 3(% '%-%1!+ /41/.2% *-." 3. 24/%1),;
/.2% 3(% !#3)5% #412.1 .5%1 3(% "!2%+)-% 3%23 +%5%+ '-.1% 3(%
.3(%1 #412.1
% %!$ 3(% ,%!241%,%-3 1%24+32 !3 3(% !"2.+43% @: #412.1 1%!$.43
-.3 3(% $%+3! D : 1%!$.43 .- 2#1%%- 2%% )'41% ;
& Check against limits: . 3(% &.++.6)-' 24"/!132 )- 3(% .1$%1 +)23%$
H 3(!3 3(% ,%!241%,%-3 1%24+32 !1% 6)3()- 3(% +),)32 +)23%$
&.1 3(% #411%-3 5%13)#!+ 2#!+% 2%33)-'
H %/%!3 24"23%/2" 3(1.4'( & 4-3)+ !++ 5%13)#!+ 2#!+% 2%33)-'2 2%3;
3)-'2 +)23%$ )- !"+% ; !1% #(%#*%$ &.1 3(% #(!--%+ 4-$%1 3%23
' Test all channels: %/%!3 24"23%/2 ! 3(1.4'( & &.1 !++ )-/43 #(!--%+2
Disconnect the hookup: . (..*4/ 6!2 1%04)1%$