
Chapter 2 207
Performance Verification Tests
24. Frequency Response, Agilent E4404B, E4405B, E4407B, and E4408B
6.7 GHz. Record this number in Table 2-54 as the Maximum 
Response for Band 1.
26.Note the most negative number from the Flatness Relative to 
50 MHz (ac) column of Table 2-52 for frequencies between 3.0 GHz 
and 6.7 GHz. Record this number in Table 2-54 as the Minimum 
Response for Band 1.
27.For Band 1 in Table 2-54, subtract the Minimum Response value 
from the Maximum Response value and record the result in the 
Peak-to-Peak Response column.
28.If the analyzer is an Agilent E4404B then the frequency response 
test is complete; transfer the values entered in Table 2-54 to the test 
record in this guide. If the analyzer is an Agilent E4405B, continue 
this procedure.
29.Note the most positive number from the Flatness Relative to 50 MHz 
(ac) column of Table 2-52 for frequencies between 6.7 GHz and 
13.2 GHz. Record this number in Table 2-54 as the Maximum 
Response for Band 2.
30.Note the most negative number from the Flatness Relative to 
50 MHz (ac) column of Table 2-52 for frequencies between 6.7 GHz 
and 13.2 GHz. Record this number in Table 2-54 as the Minimum 
Response for Band 2.
31.For Band 2 in Table 2-54, subtract the Minimum Response value 
from the Maximum Response value and record the result in the 
Peak-to-Peak Response column.
32.Transfer the values entered in Table 2-54 to the test record in this 
guide.
33.The frequency response test for Agilent E4405B analyzers is now 
complete.
Table 2-53  Frequency Response Results, Agilent E4404B/E4405B, dc 
Coupled
Band
Maximum Response Minimum Response Peak-to-Peak Response
dB
Test 
Record 
Entry
dB
Test 
Record 
Entry
dB
Test 
Record 
Entry
01) 2) 3)
14) 5) 6)
27) 8) 9)