Tektronix TAS 250 Technical Reference

TAS 200 Series Performance Verification
18
Handheld and Benchtop Instruments Basic Service
Cursor Check
The following checks verify the cursor accuracy of your oscilloscope.
To check cursor DT measurement accuracy, implement the following steps.
1. Set up the oscilloscope as follows:
VERTICAL MODE CH1 (CH2)
HORIZONTAL SEC/DIV 1 ms
2. Press and hold the oscilloscope CURSOR ON/OFF push switch to activate
the cursors.
3. If not already displayed, press and hold the DV/DT 1/DT push switch until
two vertical cursors appear on the display.
4. Toggle the TRACKING ◊ – O
(REF)
switch to select only the ◊ cursor.
5. Position the ◊ cursor 4 divisions to the left of the display vertical center with
the CURSOR POSITION switch.
6. Toggle the TRACKING ◊ – O
(REF)
push switch to select only the O cursor.
7. Position the O cursor 4 divisions to the right of the display vertical center
with the CURSOR POSITION switch.
8. Verify that the DT readout at the top-left corner of the display reads between
7.72 and 8.28 ms.
9. Set the VERTICAL MODE switch to CH2 and repeat steps 4 through 8 for
CH 2.
To check cursor DV measurement accuracy, implement the following steps.
1. Set up the oscilloscope as follows:
VERTICAL MODE CH1 (CH2)
VERTICAL VOLTS/DIV 1 V
2. Press and hold the oscilloscope DV/DT 1/DT push switch until two
horizontal cursors appear on the display.
3. Toggle the TRACKING ◊ – O
(REF)
switch to select only the ◊ cursor.
4. Position the ◊ cursor 3 divisions above the display horizontal center with the
CURSOR POSITION switch.
5. Toggle the TRACKING ◊ – O
(REF)
push switch to select only the O cursor.
DT Measurement
Accuracy
DV Measurement
Accuracy

Tektronix TAS 250 Specifications

General

Brand	Tektronix
Model	TAS 250
Category	Test Equipment
Language	English