Chapter 2 233
Performance Verification Tests
27. Frequency Response (Preamp On): Agilent E4404B, E4405B, and E4407B
Table 2-63.
13.Repeat step 9 through step 12 for frequencies up through 10 MHz.
14.Replace the function generator with the synthesized sweeper.
15.Set the synthesized sweeper CW frequency to 10 MHz and the
amplitude to 6 dBm.
16.Adjust the synthesized sweeper power level to obtain a Channel A
power meter reading of –20 dBm ±0.1 dB.
17.Record the synthesized sweeper power level and both Channel A and
Channel B power meter readings in Table 2-63.
18.Repeat step 9 through step 12 for each remaining frequency in
Table 2-63.
19.For each entry in Table 2-63, calculate the Splitter Tracking Error as
follows:
For example, if Channel A Power is –20.3 dBm and Channel B power
is –0.23 dBm, the splitter tracking error is –20.07 dB.
Splitter Tracking Error Channel A Power Channel B Power–=
Table 2-63 Source/Splitter Characterization
Frequency
Power Meter Reading Splitter
Tracking
ErrorChannel A Channel B
1 MHz
5 MHz
10 MHza
10 MHzb
20 MHz
50 MHz
75 MHz
175 MHz
275 MHz
375 MHz
475 MHz
575 MHz
675 MHz