Agilent Technologies 85032B/E 50 Specifiche Pagina 202

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8712ET/ES and 8714ET/ES Service Related Menus
RF Network Analyzers Service Utilities Menu 1
Service Guide 5-13
Table 5-3 Contents of the Correction Constant Storage Arrays
Array
Number
Description
Typical
Correction
Comments
0 One-port Directivity < 10 dB
(8714ET/ES)
< 5 dB
(8712ET/ES)
This data is related to the raw directivity of
the reflection port coupler (but does not
equal it).
1 One-port Source Match < 14 dB This represents the source match of the
reflection port.
2 One-port Tracking < 5 dB variation This is related to the frequency response of
the A (reflection port) input.
3 B Amplitude Response
(narrowband)
< 5 dB variation This is related to the frequency response of
the transmission port input (B input).
4 B/R Amplitude
Response (narrowband)
< 5 dB variation This is related to the frequency response of
the transmission port input (B input).
5-32 ALC Corrections for
the 7 attenuator steps,
0 through 6, and
assorted DAC values.
See Comments. These curves all represent the power
correction tables generated mostly by
adjustment #104. For each the seven
different attenuator settings, four different
ALC settings are measured for flatness.
From this, the ALC correction table is
generated. Since each trace only has about
20 points, it may appear slightly
discontinuous; this is normal. For units
without an internal attenuator, the
correction should be flat for any attenuation
value other than zero. Higher ALC values
represent higher power levels.
33 B* Amplitude
Linearization
(broadband)
See Comments. This is the correction curve for the absolute
B* power measurement. It represents
voltage (Y-axis) out vs. power in. It is normal
for the last few horizontal divisions to be a
flat line.
34 R* Amplitude
Linearization
See Comments. As above, but for the R* diode.
35 B* Frequency Response 0 Not implemented. Always a flat line at 0.
36 R* Frequency Response 0 3 dB This is the correction curve for the absolute
B* power measurement. It represents
voltage (Y-axis) out vs. power in. It is normal
for the last few horizontal divisions to be a
flat line.
37 AM Delay Insertion
Loss
See comments. Not Applicable.
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