U8480 Series Remote Operation 1
U8480 Series Programming Guide 39
Listing the frequency-dependent offset table names
To list the frequency-dependent offset tables currently stored in the U8480 Series,
use the following query:
MEMory:CATalog:TABLe?
The U8480 Series returns the data in the form of two numeric parameters and a
string list representing all stored tables:
– <numeric_value>,<numeric_value>{,<string>}
The first numeric parameter indicates the amount of memory, in bytes, used
for storage of tables. The second parameter indicates the memory, in bytes,
available for tables.
Each string parameter returned indicates the name, type, and size of a stored
frequency-dependent offset table:
– <string>,<type>,<size>
The <string>, <type> and <size> are all character data. The <type> is always
TABL. The <size> is indicated in bytes.
For example, a sample of the response may look like:
560,8020,”Offset_1,TABL,220”,”Offset_2,TABL,340” ....
The legal frequency unit multipliers are any of the IEEE unit multipliers, for
example, KHZ, MHZ, and GHZ. If no units are specified, the U8480 Series
assumes the data is Hz.
PCT is the only legal unit for offset factors and can be omitted.
The frequency and offset data must be within range. Refer to the individual
commands in Chapter 8 for their specified ranges.
Ensure that the frequency points you use cover the frequency range of the
signals you want to measure. If you measure a signal with a frequency outside
the frequency range defined in the frequency-dependent offset table, then the
U8480 Series uses the highest or lowest frequency point in the table to calculate
the offset.
To make subsequent editing of a frequency-dependent offset table simpler, it is
recommended that you retain a copy of your data in a program.
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