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The
CITINe
Keyword Reference
Keyword
CITIFILE
Explanation and Examples
CITIFILE A. 01.01 identifies the
Ele
as a CITIflle, and indicates the
revision level of the
llle.
The CITIflle keyword and revision code must
precede any other keywords. The
CITIlile
keyword at the
beginning
of the package assures the device reading the file that the data that
follows is in the
CITIllle
format. The revision number allows for future
extensions of the
CITIflle
standard. The revision code shown here
following the CITIflle keyword indicates that the machine writing this
file
is using the
A.O1.O1
version of
CITIille
as
dellned
here. Any future
extensions of CITIflle
will
increment the revision code.
NAME
VAR
NAME CAL-SET allows the current
CITIllle
“package” to be named. The
name of the package should be a single word with no embedded spaces.
A list of standard package names follows:
Label
Definition
RAW-DATA
Uncorrected data.
DATA
Data that has been error corrected. When only a
single data array exists, it should be named DATA.
FORMATTED
Corrected and formatted data.
MEMORY
Data trace stored for comparison purposes.
CAL-SET
Coefficients used for error correction.
CAL-KIT
Description of the standards used
DELAY-TABLE
Delay coefficients for calibration.
VAR
FREQ
MAG 201 defines the name of the independent variable
(FREQ), the format of values in a
VARLIST~BEGIN
table (MAG, if
used), and the number of data points (201). Typical names for the
independent variable are FREQ (in Hz), TIME (in seconds), and POWER
(in
dBm).
For the
VARLIST-BEGIN
table, only the “MAG” format is
supported at this point.
#NA
POWER1
1 .OEl allows variables specific to a particular type of
device to be
defined.
The pound sign
(#)
tells
the device reading the
file that the following variable is for a particular device. The “NA”
shown here indicates that the information is for a Network Analyzer.
This convention allows new devices to be defined without fear of
conflict with keywords for previously
deilned
devices The device
identiiler
(i.e. NA) may be any number of characters.
SEG-LIST-BEGIN
SEG-LIST-END
SEG,LIST-BEGIN indicates that a list of segments for the independent
variable
follow. Format for the segments is: [segment type] [start]
[stop] [number of points]. The current implementation only
supports a single segment. If there is more than one segment, the
VARLIST~BEGIN
construct is used.
CITIfiIe
revision A.0140 supports
only the SEG (linear segment) segment type.
SEG,LIST-END defines the end of a list of independent variable
segments.
The
ClTlfile
Data
Fomat
and Keyword Reference
A-7