User`s guide

User’s and Service Guide Supplement 11
E4438C Option HEC
Repeatable Triggering for Multiple Baseband Sources
Equipment Required
For best results, the Agilent Technologies equipment listed below is recommended.
• E4423B, E4433B, or E4438C Option 501 and UNJ (ESG-C Signal Generator)
• E4438B Option HEC (two ESG Vector Signal Generators ) (to demonstrate
timing control)
• 54815A (Infinium Oscilloscope)
• BNC Cables
•SMA Cables
NOTE Identify one of the two E4438C Option HEC Signal Generators as the
“Master” and the other as the “Slave” unit. This nomenclature will be used
throughout the setup.
Connecting the System
Refer to Figure 7.
1. Connect four BNC cables to Channels 1 through 4 on the front panel of the Infinium
Oscilloscope.
2. Connect the cables attached to Channel 1 and 2 on the oscilloscope to the I and Q
Outputs on the rear panel of the E4438C Option HEC “Master” instrument.
3. Connect the cables attached to Channel 3 and 4 on the oscilloscope to the I and Q
Outputs on the rear panel of the E4438C Option HEC “Slave” instrument.
4. Connect a BNC-T to the RF Output on the front panel of the E4433B “External Clock”
and connect 2-BNC cables to the splitter outputs. Connect one BNC cable to the
“Master” E4438C Option HEC “Baseband GEN CLK IN” on the rear panel, and the
other cable to the “Slave” E4438C Option HEC “Baseband GEN CLK IN” on the rear
panel.
5. Connect a BNC cable from the “Master” E4438C Option HEC “EVENT 1” on the rear
panel to the “Slave” E4438C Option HEC “PATT TRIG IN” on the rear panel.