Tektronix TDS 820, Руководство пользователя

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Performance Tests
TDS 820 Performance Verification
1Ć41
5. Confirm measurements are within limits for accuracies at 100 ns:
a.
Display the test signal:
Second, measure the
waveform period.
First, set the vertical and
horizontal scale and
the generator
frequency.
Figure 1-18: Measurement of Accuracy — Single Channel Delta Time Measurement at 100 ns
H
Set the generator frequency to 10 MHz.
H
Set the horizontal SCALE to 20.0 ns.
H
Press SET LEVEL TO 50%.
b.
Check single channel delta-time measurement accuracy at 100 ns
against limits:
H
Press MEASURE.
H
Press the main-menu button Remove Measrmnt; then press the
side-menu button Measurement 2.
H
Press CLEAR MENU.
H
CHECK that the Period readout is within 99.885 ns to 100.115 ns.
6. Check all channels: Repeat steps 1c through step 5 for all channels.
Move the SMA cable to the input connector that corresponds to the
channel to be confirmed. Press WAVEFORM OFF. Press the front panel
button that corresponds to the channel to be confirmed.
7. Disconnect the hookup: Disconnect the cables, adapters, and divider from
the generator output at the input connector of the channel last confirmed.