Performance Tests
TDS 520A, 524A, 540A, & 544A Service Manual
4Ć57
! Check against limits:
H 0' 0 0'$ .$ #,10 Ch2 PkĆPk (/ !$03$$+ 6* +#
* (+")1/(2$
H .$// VERTICAL MENU 0'$+ -.$// 0'$ /(#$7*$+1 !100,+ W 0,
0,&&)$ 0, 0'$ W /$00(+&
H $0 2$.0(" ) SCALE 0, * 0'$+ -.$// CLEAR MENU
H 0' 0 0'$ .$ #,10 Ch2 PkĆPk (/ !$03$$+ * +#
* (+")1/(2$
Disconnect the hookup: (/",++$"0 0'$ " !)$ %.,* 0'$ &$+$. 0,. ,10-10
0 0'$ (+-10 ",++$"0,. ,% 0'$ "' ++$) ) /0 0$/0$#
Check Probe Compensator Outputs
+$ %$* )$ 0, ")(- # -0$. 0$* 03, #1 )7! + + ",++$"0,./ 0$*
,+$ ",++$"0,. 0$* 03, W -.$"(/(,+ " !)$/ 0$* +#
,+$ " )(!. 0(,+ &$+$. 0,. 0$*
Prerequisites: $$ - &$7 )/, 0'(/ (&(0(5(+& /"()),/",-$/ *1/0 ' 2$
- //$# Check Accuracy Ċ LongĆTerm Sample Rate, Delay time, Time MeaĆ
surement ,+ - &$7 +# Check Accuracy for DC Gain and Voltage MeaĆ
surements ,+ - &$7
Procedure:
Install the test hookup and preset the instrument controls:
Hook up testĆsignal:
H ,++$"0 CH 1 0, PROBE COMPENSATION SIGNAL +# 0,
PROBE COMPENSATION GND 0'.,1&' -.$"(/(,+ ", 4( )
" !)$ +# 0, ")(- # -0$. $$ (&1.$ 7
50 W Coaxial Cable
Female BNC to
Clip Adapter
Black Lead
to GND
Figure 4Ć23:ăInitial Test Hookup
! Initialize the oscilloscope:
H .$// / 2$.$" )) SETUP
H .$// 0'$ * (+7*$+1 !100,+ Recall Factory Setup
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