Agilent Technologies 8590 Series Service Manual page 103

28.To initialize the area of memory where the flatness correction data is
stored, press the following keys.
INIT FLT
PRESET
, −2001,
FREQUENCY
75 Ω input only:
AMPLITUDE
,
CAL More 1 of 4
SERVICE CAL
FLATNESS DATA
29.To enter flatness corrections, press
30.The frequency of the first data point, 4.00 MHz, will be displayed in
the active function block of the analyzer display.
31.Use the data keys on the analyzer to enter the amplitude value for
4 MHz from Column 2 of
Frequency Response Errors. Terminate the entry with the
When entering negative amplitude values, precede the numeric
−
entry with the and
The (backspace) key may be used to correct any entry if the
BK SP
terminator, or
dB
the terminator has been pressed.
⇑
32.Press (step-up key) and enter the data from
(75 Ω input: Column 5) for the next data point as described in
step 30.
33.Repeat step 30 for the remaining flatness correction data points
listed in Table 2-6.
At each point, verify that the frequency listed in the active function
block corresponds to the frequency at which the data was taken. If
these two frequencies do not correspond, press
down) until the proper frequency is displayed in the active function
block.
If some data is incorrect after entering all of the data from
select the incorrect data point using
re-enter the proper data.
34.After all corrections have been input, press the
softkey to store the correction data in nonvolatile memory. The
instrument will automatically preset and display CAL: DONE in the
active function block of the analyzer.
Chapter 2
15. Frequency Response of the 8590L, 8591C, and 8591E
Hz
,
More 1 of 2
,
More 2 of 4
EDIT FLATNESS
(75 Ω input: Column 5),
Table 2-6
−dB
keys or the
dB
−dB
key has not been pressed. Re-enter the data if
⇑
Making Adjustments
, ,
AMPTD UNITS dBm
.
dB
key.
Table 2-6, Column 2
⇑
(step up) or
Table
⇓
(step up) or (step down) and
STORE FLATNESS
key.
⇓
(step
2-6,
103