Performance Tests
TDS 520A, 524A, 540A, & 544A Service Manual
4Ć39
) '(&+() " * &) (*(!)*!) * * (#* *& * !% %
#. *!$ ) ).)*$ % ( #!)* ) " +%( Warranted CharĆ
acteristics !% *!&% Specifications.
Check Accuracy for LongĆTerm Sample Rate, Delay Time,
and Delta Time Measurements
Equipment Required: % *!$/$(" %(*&( *$ % &% '(!)!&%
&-!# # *$
Prerequisites: See page 4Ć15.
Procedure:
Install the test hookup and preset the instrument controls:
Hook up the testĆsignal source &%%* * (&+ W '(!)!&%
&-!# # * *!$/$(" &+*'+* & *!$/$(" %(*&( *& CH 1
* * &+*'+* & * %(*&( &( $) $("() !+(/
TimeĆMark
Generator
+*'+*
50 W Coaxial Cables
Figure 4Ć12:ăInitial Test Hookup
Initialize the oscilloscope:
H ()) ),(## SETUP
H ()) * $!%/$%+ +**&% Recall Factory Setup
H ()) * )!/$%+ +**&% OK Confirm Factory Init
Modify the initialized frontĆpanel control settings:
H * * ,(*!# SCALE *& $
H ()) VERTICAL MENU * % '()) * $!%/$%+ +**&%
Coupling ()) * )!/$%+ W +**&% *& 50 W
H ()) SET LEVEL TO 50%
H ) * ,(*!# POSITION "%& *& %*( * *)* )!%# &%
)(%
Time Base System
Checks
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