Performance Tests
TDS 520A, 524A, 540A, & 544A Service Manual
4Ć59
Check against limits: +!+ +! CH 1 Freq )',+ "* ."+!"&
1 +' #1 "&$,*"-
Confirm that the Probe Compensator signal is within limits for amplitude:
Save the probe compensation signal in reference memory:
H )** SAVE/RECALL WAVEFORM +!& ()** +! %"&2%&,
,++'& Save Wfm Ch 1
H )** +! *"2%&, ,++'& +' Ref 1 +' *- +! ()' '%(&2
*+"'& *" &$ "& ))&
H "*'&&+ +! $ )'% CH 1 & +! $"(* )'% +! ()'
'%(&*+"'& +)%"&$*
H )** MORE +!& ()** +! %"&2%&, ,++'& Ref 1 +' "*2
($0 +! *+') *" &$
H )** CH 1
Hook up the DC standard source:
H + +! ',+(,+ ' $")+"'& &)+') +' -'$+*
H '&&+ +! ',+(,+ ' $")+"'& &)+') +!)', !
,$2&& '&&+') '$$'. 0 W ()"*"'& '/"$
$ +' '& *" ' '&&+') " ,) 2
H '&&+ +! &* ',+(,+ ' +! &)+') +!)', ! *'&
,$2&& '&&+') '$$'. 0 W ()"*"'& '/"$
$ +' +! '+!) *" ' +! '&&+') '. '&&+ +!
'&&+') +' CH 1 " ,) 2
,+(,+ &*
DC Calibrator
50 W Coaxial Cables
Dual Banana to
BNC Adapters
BNC T
Connector
Figure 4Ć25:ăSubsequent Test Hookup
Measure amplitude of the probe compensation signal:
H )** SHIFT +!& ACQUIRE MENU !& ,* +! #0( +' *+
AVERAGE +' 16 "& +! *" %&,
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