Agilent Technologies 346A, Operating And Service Manual, Page: 50 / 81

Chapter 4 45
ENR File Format
Format Details
whitespace.
• Whitespace following the ']' is ignored.
• The file must start with one or more header fields (ignoring
comments and blank lines).
All header fields must appear at the beginning of the file before the ENR
data records. Mixing header fields and ENR data is not permitted.
Mandatory header
fields
Certain header fields must be present. These are:
NOTE All mandatory fields must appear in the file before any optional header
fields.
Optional header
fields The following header fields are also allowed. Note that only the first two,
Serialnumber
and
Model
are currently used by the Noise Figure
Analyzer.
Table 4-1 Mandatory header fields
Fieldname Description OptionalValue Description Example
Filetype Indicates the type of
file. ENR Only ’ENR’ is
allowed for ENR
data files. [Filetype ENR]
Version Indicates the version
of the file format
which applies to this
file. versionnumber
(formatted as
major.minor) Allows for future
changes in the file
format. [Version 1.0]
Table 4-2 Optional header fields
Fieldname Description Optional-
Value Description Example
Serialnumber the serial
number of the
noise source serialtext a string
containing the
serial number [Serialnumber 3318A14223]