Agilent Technologies 8590 Series Service Manual page 195

16.On the synthesized signal generator, press CW and STEP UP.
Entering Flatness Correction Data
17.Enter the pass code by pressing the following analyzer keys.
PRESET
, −2001,
FREQUENCY
75 Ω input:
AMPLITUDE, More 1 of 2
18.To access the flatness correction menu, press the following analyzer
keys.
,
CAL More 1 of 4
SERVICE CAL
FLATNESS DATA
Perform the next step only if all the flatness correction data must be
replaced in memory due to the repair or replacement of the A16
processor/video assembly.
19.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:
AMPLITUDE
,
CAL More 1 of 4
SERVICE CAL
FLATNESS DATA
20.To enter flatness corrections, press
21.The frequency of the first data point, 4.00 MHz, will be displayed in
the active function block of the analyzer display.
22.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.
Chapter 2a
Making Adjustments: If 3335A Source Not Available
15a. Frequency Response of the 8590L, 8591C, and 8591E
Hz
,
AMPTD UNITS
,
More 2 of 4
Hz
, ,
More 1 of 2 AMPTD UNITS
,
More 2 of 4
EDIT FLATNESS
(75 Ω input: Column 5),
Table 2a-5
−dB
keys or the
dB
−dB
key has not been pressed. Re-enter the data if
,
dBm
,
dBm
.
dB
key.
key.
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