VAR_LIST_BEGIN

VAR_LIST_BEGIN indicates that a list of the values for the independent

 

 

variable (declared in the VAR statement) follow. Only the MAG format

 

 

is supported in revision A.O1.OO.

 

 

 

VARIZ3’I’-END

VAR_LIST_ENDdefines the end of a list of values for the independent

 

 

variable.

 

 

 

DATA

DATA S Cl, 1] RI defines the name of an array of data that will be read

 

 

later in the current CITIllle package, and the format that the data will

 

 

be in. Multiple arrays of data are supported by using standard array

 

 

indexing. Versions A.01.00 and A.O1.O1 of CIl’Iftle only support the

 

 

RI (real-and imaginary) format, and a maxhnum of two z ray indexes.

 

 

Commonly used array names include the following:

 

 

“S” for “S parameter”

Example: S[Z, l]

 

 

“E” for “Error term”

Example: E[ l]

 

 

“USER” for “User parameter”

Example: USER[ 1

 

 

“VOIXAGE”

Example: VOIXAGE[ l]

 

 

“VOUIYAGE-RATIO” for a ratio of two

Example: VOIXAGE-RATIO[l,O]

 

 

voltages (AR).

 

 

 

CONSTANT

CONSTANT Enamel [value] allows for the recording of values which

 

 

don’t change when the independent variable changes.

 

 

CONSTANT3 are part of the main CITIflle definition. Users must not

 

 

define their own CONSTANT?s. Use the #KEYWORD device specification

 

 

to create your own KEYWORD instead. The #NA device specification is

 

 

an example of this.

 

 

 

 

 

No constants were dellned for revision A.O1.OO of CITIfile. CITIllle

 

 

revision A.O1.O1 defined the following constant:

 

 

CONSTANT TIME [year] [month] [day] [hour] [min] [sets]

 

 

Example:

 

 

 

 

 

 

 

 

 

 

 

 

 

1

C O M M E N T ~YEAR~MONTE~DAY~HOUR~MINUTE 1 SECONDS

1

 

 

 

 

 

 

 

1 CONSTANT TIME1 1991 1

02 1

26 1

17

1

33

1

53.25

1

w The COMMENT statement is not absolutely required, but is highly recommended to aid readability.

nThe year should always be the full four digits (“ 1991” is correct, but “91” is not). ‘I’hls is to avoid problems with the year 2000, when the shortened version of the year will be “00.”

nThe hour value should be in 24-hour “military” time.

nWhen writing a CITIflle and the fractional seconds value is zero, then the “seconds” value may be printed either with or without a decimal point: either “47.0” or “47” would be acceptable. When reading

a CITIllle, the seconds value should always be read as if it were a floating point number.

A-6 The ClTlfile Data Format and Keyword Reference

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HP 8753E Is supported in revision A.O1.OO, Variable, Commonly used array names include the following, Example Voixage l