File Menu

Click File to make the following settings:

• Open Setup File

• Save Setup File

• Save Setup File As

• Open Data File

• Save Data File

• Uncertainty Files

• Measurement Report (separate topic)

• Include Sensitivity Data (Opt.004 Only)

• Save S-parameter Data (Opt.001 Only)

• Print Chart

• Print Chart Preview

• Printer Setup

Open Setup File

Note: All setup files can be opened by clicking File -> Open Setup or by double-clicking the setup file name directly.

Allows the user to open a previously saved setup file. This file contains all the information pertaining to the measurement setup including the calibration, previous measurements and other preferences chosen at the time the file was saved.

Only one file can be open at any time. When you open another file, the previous setup is replaced.

Note: For the E4980A, the setup file does not include calibration.

Save Setup File

Allows the user to save the current setup. The file created contains all the information pertaining to the measurement including the calibration, previous measurements. If the current setup has not previously been saved, this choice is treated as ‘Save Setup File As’ described below.

Note: For the E4980A, the setup file does not include calibration.

Save Setup File As

Allows the user to save the current setup. The file created contains all the information pertaining to the measurement including the calibration and previous measurements.

Enter a file name and click OK.

Note: For the E4980A, the setup file does not include calibration.

Open Data File

Open a previously saved *.prn data file.

The data set is opened as a new channel in the N1500A software.

Save Data File

Saves measurement data.

In the Save As dialog

• Enter a File name (without suffix)

• Click Save as type: then choose from:

Opt.001/003/004/005/006 Files (*.prn) - Tab-separated data.

Click Save and the following dialog appears:

Opt. 001

Checking Uncertainty data will save uncertainty to the data file. If uncertainty is saved, when the data file is opened it will have uncertainty data.

Opt. 003/004/005/006

The selected fields appear in the saved *.prn file.

The following shows the header for a *.prn file

CSV files (*.csv) - Comma-separated values. Open easily with a compatible spreadsheet program.

Click Save and the following dialog appears:

Data Scope

Choose from:

• e - Save frequency, e, and e' data

• Selected Single Trace - Save frequency and data for the active trace.

• All Displayed Traces - Save frequency and data for ALL traces in ALL displayed charts.

Data Format

Choose from:

• Real and imaginary - saves both real and imaginary values.

• Real and tan d - saves both real and tan d values.

• Displayed format - Save data in its native or selected format.

The following image shows the header information for a *.csv file

When  “Selected Single Trace” is select, the measurement date for this trace is used as the date. Otherwise, the date for the last valid active measurement is used.

Uncertainty Files

S-parameter files can be loaded with associated uncertainty. The format is METAS sdatcv. Uncertainty data can be saved as a *.csv or *.prn data file. In this latter case, the data are stored with the whole covariance matrix at the end of the ordinary data set. Uncertainty data can also be included in the  Measurement Report.

The uncertainty data can be viewed in the Trace Data Pane.

Include Sensitivity Data (Opt.004 Only)

When selected, the sensitivity data will be included. See Measurement Uncertainty for information on the use of sensitivity data.

S-Parameter Data (Opt.001 Only)

1. Select Data Format:

MA - saves data in magnitude format.

DB - saves data in log magnitude format.

RI - saves data in real and imaginary format.

2. Select Frequency Unit: Hz, kHz, MHz, or GHz

3. Enter Your Comments.

4. Enter SNP File Path.

Print Chart

Prints the Chart (graph)

Print Chart Preview

Shows what the printed chart will look like. Use Printer setup to change the orientation of the printed chart.

Printer Setup

Allows the printer to be setup. Exact behavior depends on the selected printer.

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