Performance Tests
TDS 310, TDS 320 & TDS 350 Instruction Manual
617
9. Set the SEC/DIV of the D (delayed) time base to 1 ms. Then use the
General Purpose knob to set delay time to 10 ms.
10. Set the SEC/DIV of the D (delayed) time base to 500 ns.
NOTE
When you change the SEC/DIV in step 10, the delay time readout
changes to 10.00001 or 9.99999. This is normal and has no effect
on the verification
11. Check that the risingedge of the marker crosses the center horizontal
graticule line at a point within ±2.0 divisions of center graticule.
12. Disconnect the test hookup.
Delta Time Measurement Accuracy
Delta time measurement accuracy is verified by successful completion of the
previous procedure.
These procedures check those characteristics that relate to the trigger system
and are listed as checked under Warranted Characteristics in the Specifica
tions section.
Check Edge Trigger Sensitivity, DC Coupled
Equipment Required: One mediumfrequency leveled sine wave generator
(Item 7), two precision 50 W coaxial cables (Item 2), one 50 W termination
(Item 1), and one BNC T connector (Item 4).
Time Required: Approximately 10 minutes.
Prerequisites: See page 611.
Procedure:
1. Press SAVE/RECALL SETUP ! Recall Factory Setup ! OK Confirm
Factory Init.
2. Set the VOLTS/DIV to 500 mV.
3. Set the SEC/DIV to 10 ns.
4. Press TRIGGER MENU ! Mode ! Normal.
5. Press ACQUIRE ! Mode ! Average 16.
6. Connect one 50 W cable to the output of the sine wave generator. Attach
a BNC T connector to the other end of the cable. Connect a second 50 W
cable to the other side of the BNC T connector.
Trigger System
Checks
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