Installation Guide 23
E444xAU IF Output Options E444xAU Options H20, H25 and H70
Performance Tests and Adjustments
8. Connect the PSA rear panel Option IF Output to the RF Input of the test spectrum
analyzer. Use an SMA or APC 3.5 mm cable and appropriate adapters.
9. Initialize the test spectrum analyzer parameters as follows. Refer to Table 12.
10. Record the amplitude of the Option IF Output in Table 13. The signal level should be
–16 dBm (± 2 dB). This equates to a 6 dB loss between the RF Input and the Option IF
Output port.
Table 12 Option IF Output Measurement Settings
Parameter Option H20 Option H25 Option H70
Center Frequency 20 MHz 25 MHz 70 MHz
Span 5 MHz 5 MHz 5 MHz
Res BW 1 MHz 1 MHz 1 MHz
Reference Level 0 dBm 0 dBm 0 dBm
Log Scale 5 dB/div. 5 dB/div. 5 dB/div.
Table 13 Data Sheet Record
Frequency Expected Amplitude Measured Amplitude
20/25/70 MHz –15 dBm (±2 dB)
321.4 MHz
(with H7L & HNQ)
–2 dBm (±2 dB)
321.4 MHz
(without H7L & HNQ)
–12 dBm (±2 dB)
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