Tektronix TPS2000 Series, Руководство по обслуживанию

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Performance Verification
4- 6
TPS2000 Series Digital Storage Oscilloscopes Service Manual
10. Disconnect the test setup.
11. Repeat steps 1 through 10 until all input channels have been checked.
This test checks the time base accuracy.
1. Set up the oscilloscope using the following steps:
Press menu button Select menu option Select setting
DEFAULT SETUP — —
CH 1 (or whatever channel is
currently being tested). Voltage Probe 1X
2. Connect the oscilloscope to the time mark generator as shown below.
Digitizing oscilloscope
50
Ω
feedthrough
terminator
BNC cable
Time mark
generator
Output
3. Set the time mark generator period to 10 ms .
4. Set the oscilloscope VOLTS/DIV to 500 mV/div .
5. Set the oscilloscope Main SEC/DIV to 1 ms/div .
6. Press SET LEVEL TO 50% .
7.
Use the vertical POSITION control to center the test signal on screen.
8.
Use the horizontal POSITION control to set the position to
10.00 ms
.
9. Set the oscilloscope SEC/DIV to 250 ns/div .
Check Sample Rate and
Delay Time Accuracy