HP 8712ES User Manual page 276

Calibrating for Increased Measurement Accuracy
Calibration Kits
Method B: Use an ASCII file.
on the Example Programs Disk or create your own ASCII file.
(Remember that these files are compatible with MS-DOS, and thus, you
could use any IBM-compatible PC and a text editor that can modify
ASCII files. Just be sure to include the line numbers as if it were an
IBASIC program.) You can't read calibration kit data from the analyzer
as an ASCII file.
ASCII file example. The example program, "CALKIT," provided on the
Example Programs Disk, is listed below. Please note that the program
allows you to specify storing the downloaded file as one of ten User Cal
Kits (User Cal Kit A–J) in the analyzer. If not specified, however, the file
is stored in Cal Kit A. When reading the cal kit file, the analyzer
recognizes only the information after the "!" and ignores everything after
a "$". You can add comments after a "$". The first line of a cal kit file
must contain a "!" with a "$" directly after it. No characters are allowed
between the "!" and the "$" on the first line of a cal kit file.
10 !$ Standard Definitions for HP 85054B Precision Type-N Cal
Kit.
20 !
30 !$ Definitions for 50 Ohm jack (FEMALE center contact) test
40 ! NAME: Load this file into the User Cal Kit selected in the
next line.
50 ! Kit B $ Select Cal Kit B
60 !$ ports, plug (MALE center contact) standards.
70 !
80 ! OPEN: $ HP 85054-60027 Open Circuit Plug
90 ! Z0 50.0 $ Ohms
100 ! DELAY
110 ! LOSS
120 ! C0 88.308E-15 $ Farads
130 ! C1 1667.2E-27 $ Farads/Hz
140 ! C2 -146.61E-36 $ Farads/Hz^2
150 ! C3 9.7531E-45 $ Farads/Hz^3
160 !
170 ! SHORT: $ HP 85054-60025 Short Circuit Plug
180 ! Z0 50.0 $ Ohms
190 ! DELAY
200 ! LOSS
210 !
220 ! LOAD: $ HP 00909-60011 Broadband Load Plug
230 ! Z0 50.0 $ Ohms
240 ! DELAY
250 ! LOSS
260 !
270 ! through:
280 ! Z0 50.0 Ohms
290 ! DELAY
300 ! LOSS
310 !
320 END
6-30
You can edit the ASCII file provided
57.993E-12 $ Sec
0.8E+9 $ Ohms/Sec
63.078E-12 $ Sec
8.E+8 $ Ohms/Sec
0.0 $ Sec
0.0 $ Ohms/Sec
$ HP 85054-60038 Plug to Plug Adapter
196.0E-12 $ Sec
2.2E+9 $ Ohms/Sec
ES User's Guide