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18 User’s and Service Guide Supplement

E4438C Option HEC

Repeatable Triggering for Multiple Baseband Sources

3. Select ARB Setup > More (1 of 3) > More (2 of 3) > VCO CLOCK Ext > [Return] ARB

“On.” Refer to Figure 13.

4. Align the DACs:

[Mode] Dual ARB > ARB Setup > More (1 of 3) > More (2 of 3) > Align DAC

5. Adjust the trigger level control on the oscilloscope for a stable display.

Figure 13 Multi-source I and Q Output

This completes the configuration for connecting multiple instruments for synchronizing

the timing relationship of the output.

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Agilent Technologies E4438C Guida Utente Pagina 26