Agilent Technologies ESA Series, Manual

Page: 189 / 194

Chapter 4 189
ESA Functional Tests
Tracking Generator Level Flatness: Models E4401B and E4411B E7401A, Options 1DN and
1DQ
ESA Fu
ncti
onal
T
ests
NOTE
75
Ω
RF Out only : Connect the 75
Ω
power sensor through an adapter to the
RF Out 75
Ω
.
5. Press REL on the power meter. The power meter readout amplitudes are now relative to
the power level at 50 MHz.
6. Set the analyzer center frequency to 100 kHz by pressing
FREQUENCY
,
Center Freq
, 100,
kHz
.
NOTE
75
Ω
RF Out only : Set the analyzer center frequency to 1 MHz.
7. Enter the appropriate power sensor Cal Factor for the test frequency into the power
meter as indicated on the label of the power sensor.
8. Record the power level displayed on the power meter as the Level Flatness in Table 4-9 .
9. Repeat steps 7 through 8 to measure the flatness at each center frequency setting listed
in Table 4-9 . The
⇑
may be used to tune to center frequencies above 500 MHz.
NOTE 75
Ω
RF Out only: Repeat steps 5 through 7 to measure the flatness at the
frequencies above 1 MHz listed in Table 4-9 .
Table 4-9 Tracking Generator Level Flatness Worksheet
Center Frequency Level Flatness (dB)
100 kHz or 1 MHz
a
a. This frequency is 100 kHz for analyzers with 50
Ω
tracking generators, and 1 MHz for analyzers
with 75
Ω
tracking generators.
5 MHz
40 MHz
50 MHz 0 (Ref)
80 MHz
500 MHz
1000 MHz
1500 MHz