User`s guide

4 User’s and Service Guide Supplement
E4438C Option HEC
Verifying Option HEC Functionality
2. Connect the 10 MHz Reference from the Source (External Clock) to the 10 MHz
Reference In of the E4438C Option HEC.
3. Connect the 10 MHz Reference Out from the E4438C Option HEC to the Spectrum
Analyzer 10 MHz Reference In. Enable the Spectrum Analyzer to utilize the external
reference. Refer to Figure 2.
4. Connect the E4433B RF Output on the front panel to the E4438C “Baseband GEN CLK
IN” on the rear panel. Refer to Figure 2.
Figure 2 Connection Diagram