Performance Tests
TDS 520A, 524A, 540A, & 544A Service Manual
4Ć27
Confirm input channels are within limits for DC delta voltage accuracy: (
,! (%%(/"' +-+,)+ 3 ,+, "*+, skipping substep a since CH 1 is
already selected from step 1.
Select an unchecked channel:
H Set the generator output to 0 V.
H *++ WAVEFORM OFF ,( *&(. ,! !''% #-+, ('"*&
*(& ,! "+)%1
H *++ ,! *(',2)'% -,,(' ,!, (**+)('+ ,( ,! '0, !''%
1(- * ,( ('"*&
H (. ,! ,+, !(($ -) ,( ,! !''% 1(- +%,
Display the test signal:
H *++ VERTICAL MENU *++ ,! &"'2&'- -,,(' Position
H + ,! $1) ,( +, .*,"% )(+","(' ,( "."+"('+ )*++
-2.5 ,!' ENTER (' ,! $1)
Measure the test signal:
H *++ CURSOR + ,! '*% )-*)(+ $'( ,( )*"+%1 %" '
,! ,". -*+(* ,( ,! +%"' %.% (' +*'
H , ,! '*,(* (-,)-, ,( &
H *++ SELECT + ,! '*% )-*)(+ $'( ,( )*"+%1 %" '
,! %,*', -*+(* ,( ,! & ,+, %.% (' +*'
H *++ CLEAR MENU ,! &+-*&', *+-%,+ *(& ,!
%, D: *(-, '(, ,! +(%-, @: *(-, " -* 2
(' ) 2
Check against limits: ,!, ,! D: *(-, (' +*' "+ /",!"'
& ,( & + " -* 2