Tektronix DG2040 User Manual page 233

Appendix B: Performance Verification
B 40
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Menu button Bottom button
SETUP Timing
Condition
Move the cursor to CH0 with the general purpose knob.
4. Set the delay time to –1.00 ns, –0.50 ns, +0.50 ns, +1.00 ns, and +2.00 ns in
turn. Perform the delay time measurement for each delay time setting with
the sampling oscilloscope. Verify that the data output delay times referenced
to the clock signal are within the accuracy (±(3 % of setting) ± | T
± 100 ps) for each of these delay time settings.
15 ps
5. Change the SMA cable connection from the DG2040 Data Generator CH0
output to CH1 and repeat step 4. When measuring CH1 output delay time,
connect the CH0 output on the DG2040 Data Generator front panel to the
TRIGGER INPUTS DIRECT connector on the sampling oscilloscope front
panel.
6. From above measurement results at 0.00 ns delay time setting on two output
channels, verify that the delay time differences between two channels is
within ± | T – 25°C | ×
a
7. Press the START/STOP button on the front panel to stop output. The LED,
corresponding to the button, is turned off.
Pop up menu Side button
Delay
± 100 ps.
15 ps
Front panel
button
-1.0
ENTER
– 25°C | ×
a
DG2040 Data Generator