Tektronix DG2030 User Manual page 237

Appendix B: Performance Verification
B 26
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Characteristics Confirmation Procedure.
1. Load the TP6INH.PDA test pattern file from the performance check disk.
2. Press the START/STOP button on the front panel so that the button's LED
indicator lights.
3. Confirm that the pulse pattern waveform with 5 MHz of frequency, +3 V of
high voltage level and 0 V of low voltage level is continuously output from
the DG2030 CH2 output.
NOTE. The first pulse, which has +3 V of high voltage level, after the sync signal
went to high level state will have narrower pulse width than other pulses. This is
because that the delay time of the external inhibit signal is larger than that of the
internal inhibit signal.
4. Change the BNC cable connection from the DG2030 front panel CH2 to the
DG2030 CH3 connector, and then confirm the CH3 output waveform as was
done in step 3.
When the option 01 has been installed, confirm the output waveforms from
CH4 through CH7 as changing the BNC cable connection.
5. Change the BNC cable connection from the DG2030 CH3 (or CH7)
connector to the DG2030 CH0 connector.
6. Confirm that the DG2030 outputs twenty-five 5 MHz pulses with a high
value of +3 V and a low value of –1 V, followed by twenty-five 5 MHz
pulses with a high value of 0 V and a low value of –1 V. These two
waveform patterns are continuously and repeatedly output from CH0.
7. Change the BNC cable connection from the DG2030 front panel CH1
connector to the DG2030 CH2 connector, and then the CH0 to CH1
connector.
8. Confirm that the DG2030 outputs twenty-five 5 MHz pulses with a high
value of 0 V and a low value of –1 V, followed by twenty-five 5 MHz
pulses with a high value of +3 V and a low value of –1 V. These two
waveform patterns are continuously and repeatedly output from CH1.
9. Change the BNC cable connection from the DG2030 CH1 output to clock
output on the front panel.
DG2030 User Manual