Extension | Name | Definition |
|---|---|---|
.acd | Precision Automatic Calibrator (AutoCal) Module Characterization File AutoCal Characterization File | Each AutoCal module has an associated characterization file that contains parametric data about the module. When AutoCal starts up, it looks for any files in the current directory with the extension .acd. If more than one file is found, the user is prompted for which file to use. |
.ahc | All Hardware Calibration File | Saves all hardware calibration data on a per-system basis. |
.aic | AIC Analog-In Calibration File | Saves analog-in calibration data on a per-system basis. |
.alc | ALC Calibration File | Saves the ALC calibration on a per-system basis. |
.bmp | Bit-mapped Graphics File | A Windows-compatible graphic file. In the MS464xB-Series VNA, the graphic capture of the main display results in a .bmp file that includes the running graphics display, |
.ccf | Calibration Kit Coefficients File | A calibration kit coefficients file comes with each calibration kit, usually on a USB memory device. These files can be loaded onto the VNA hard disk and then recalled to active memory as required. See also .kit and .lst files. |
.cha | All Channels Setup and Calibrations File | For saving and recalling all system and all channel setup parameters and RF calibration data coefficients. Upon recall, restores all configuration settings to all channels. Similar to the .sta file, but the .sta file does not save RF calibration coefficients. |
.chc | Active Channel Setup and Calibration File with Calibration Kit information. | For the active channel, saves the channel setup parameters, RF calibration coefficients, and information on calibration kits. Upon recall, restores the setup parameters and RF calibration coefficients to the active channel, as well as calibration kit information. Similar to the .stc file, but the .stc file does not save RF calibration coefficients. Similar to the .chx file, but the .chx file does not save calibration kit information. |
.chx | Active Channel Setup and Calibration File | For the active channel, saves the channel setup parameters and RF calibration coefficients. Upon recall, restores the setup parameters and RF calibration coefficients to the active channel. The .chx and .stx file formats are very convenient for copying the setup of one channel into another channel: Save the setup from the active channel Open an additional channel Recall the saved .chx or .stx file into the new channel. Similar to the .stx files, but the .stx file does not save RF calibration coefficients. Similar to the .chc file, but the .chc file also saves the calibration kit information. |
.cmu | Active Channel Memory Unformatted Data | For the active channel memory saves unformatted data. |
.csv | Active Channel Information CSV File | An exportable trace data file in a spreadsheet compatible comma-separated-value (CSV) format. Includes an optional descriptive heading in which the data for every trace is saved to a defined location folder. The data for each trace is saved as an X and a Y column to accommodate multiple parameters such as mixed frequency and time domain. Subsequent traces are added as additional columns. Instrument data can be saved to the .csv but the .csv file cannot be recalled into the VNA memory. Similar to the .txt file format. |
.edl | Embedding/De-embedding Configuration File | Default file name is EmbedDeembed.edl. |
.eqn | Equation file | File that defines equation used for Inter-trace math. On a per-channel, per-trace basis, saves the active Inter-trace equation. Upon recall, restores the saved inter-trace equation to the active trace. |
.fpc | Frequency Sweep Power Calibration File | On a per-channel, per-port basis, saves the active channel user power calibration. Upon recall, restores the saved user power calibration to the active channel. File extension for frequency sweep calibrations using Frequency Sweep (Linear), Frequency Sweep (Log), Segmented Sweep (Frequency-based), and Segmented Sweep (Index-based). Compare with .ppc file types below for power sweeps. |
.ini | AutoCal Default Setup File | The default setup file for AutoCal. The default file name is auto_cal.ini. If another file is required, another AutoCal setup file should be loaded by selecting File | Open Setup File. |
.jpg .jpeg | Joint Photographic Experts Group Image File | User-initiated capture of the data display area of the VNA. |
.kit | Calibration Kit Coefficients File | From Anritsu Lightning 37000D Series VNA. VectorStar VNAs will read .kit files but not save them. The VectorStar VNA will convert a .kit file to a .ccf file format. |
.lcf | LRL/LRM cal kit file | LRL/LRM or TRL/TRM cal kit file. |
.lmt | Limit Line Configuration File | For the active trace on the active channel, saves all limit line data including number of segments, frequency range or CW, test result signs, limit fail signals, and limit external output. Upon recall, restores the limit line configuration to the active trace on the active channel |
.log | Microsoft Windows Event Viewer Log File | These are operating system files logging events for the Application, Security, System, and Vector. The files are viewable by navigating to: MAIN | System | SYSTEM | Event Log | EVENT VIEWER Dialog Box |
.lst | List of component file names for .s1p characterized calibration kits. | LST text file lists the component file names for an .s1p characterized calibration kit so all components can be loaded at once. An .s1p file type holds the characteristics of a reflective calibration component. These files are loaded as needed during calibration if the calibration components are characterized by this file type. |
.mlcf | mTRL cal kit file | mTRL cal kit file. |
.mNp | Active Channel Mixed mode parameter file | For mixed-mode parameters, the .mNp text file format is exactly the same as for the .sNp format but mixed mode parameters are used instead. MNP file types can be .m2p (for 2-port), .m3p and .m4p (for 4-port). |
.mwzd | Mixer Wizard Setup File | Stores the mixer wizard configuration so that it can be recalled at a later time. |
.ppc | Power Sweep Power Calibration File | On a per-channel, per-port basis, saves the active channel user power calibration. Upon recall, restores the saved user power calibration to the active channel. File extension for power sweep calibration files using Power Sweep (CW Frequency) or Power Sweep (Swept Frequency). Compare with .fpc file types above for frequency-based sweeps. |
.ptc | Pretune Calibration File | Saves the source pretune calibrations on a per-system basis. |
.rcvr | Receiver Calibration File | On a per-channel basis, saves all available user receiver calibration data. Upon recall, restored the user receiver calibration data to the active channel. |
.s1p .s2p .s3p .s4p | Active Channel S1P file Active Channel S2P file Active Channel S3P file Active Channel S4P file | Generically, an .sNp file is in standard microwave simulator text format and is similar to the .txt file described below. Includes a controlled header and only one or four S-parameters are saved. An .s1p file type holds the characteristics of a reflective calibration component. These files are loaded as needed during calibration if the calibration components are characterized by this file type. An .s2p file type holds the characteristics of a 2-port microwave device. An .s3p file type holds the characteristics of a 3-port microwave device. (For 4-Port VNA) An .s4p file type holds the characteristics of a 4-port microwave device. (For 4-Port VNA) If a full two-port calibration is applied, all of the S-parameters are always measured, even if they do not need to be displayed. The resultant .s2p file is complete with all S-parameter information. Upon recall, the .sNp file can be recalled and displayed as trace memory when they are loaded into the active channel. |
.sgs | Segmented Sweep File | On a per-channel basis, saves the segmented sweep definition configuration data. UseSegmented sweep definition file. Used for frequency-based sweep and index-based sweep. |
.slc | Source LO Calibration (Src LO) calibration file | Saves the LO calibration on a per-system basis. |
.sqm | Source Quadrupler hardware calibration file | Saves the source quadrupler module calibration on a per-system basis. |
.sta | All Channels Setup File | For saving and recalling all system and all channel setup parameters. Upon recall, restores all configuration settings to all channels. Similar to the .cha file, but the .cha file also saves RF calibration coefficients. |
.stc | Active Channel Setup File with Calibration Kit Information. | For the active channel, saves the channel setup parameters and information on calibration kits. Upon recall, restores the setup parameters and calibration kit information. Similar to the .stx file, but the .stx file does not save calibration kit information. Similar to the .chc file, but the .chc file also saves RF calibration coefficients. |
.stx | Active Channel Setup File | For the active channel, saves the channel setup parameters. Upon recall, restores the setup parameters to the active channel. The .chx and .stx file formats are very convenient for copying the setup of one channel into another channel: Save the setup from the active channel Open an additional channel Recall the saved .chx or .stx file into the new channel. Similar to the .chx files, but the .chx file also saves RF calibration coefficients. Similar to the .stc file, but the .stc file also saves the calibration kit information. |
.tdf | Active Trace Data Memory Formatted File – After Post Processing | The .tdf file stores trace data or trace memory data after all post processing using an XML format. This is useful for comparing a DUT against a “golden device” or seeing if the performance of a DUT has changed over time. The file can be saved and recalled. The file will recalled into the same part of the chain that it was saved from and after any post-processing steps. |
.tdu | Active Trace Data Memory Unformatted File – Before Post Processing | The.tdf file stores trace data or trace memory data using an XML format. The file saves the active trace’s memory before most post processing such as time domain, smoothing, and group delay calculations. The file can save data from the current trace or from the trace memory. A previously saved file can be recalled and loaded, and then either displayed on the current trace or displayed on the trace memory. This file can be recalled into either the active trace (normally in hold or sweeping very slowly) or into the active trace’s memory. The file will recalled into the same part of the chain that it was saved from and before any post-processing steps. |
.tmz | Ten (10) MHz Calibration File | Saves the system 10 MHz reference calibration on a per-system basis. |
.txt | Active channel trace data text file | An exportable trace data file in a spreadsheet or word processor compatible format that uses tabs to delimit the output fields. Includes an optional descriptive heading in which the data for every trace is saved to a defined location folder. The data for each trace is saved as an X and Y column to accommodate multiple parameters such as mixed frequency and time domain. Subsequent traces are added as additional columns. Instrument data can be saved to the .txt file but the .txt file cannot be recalled into the VNA memory. Similar to the .csv file format. |
.xml | VNA configuration file in XML | XML or eXtensible Markup Language file Used for the VNA configuration state when the instrument is shut down and subsequently powered back up. |
KIT_INFO.xyz | Calibration kit file for an Anritsu Lightning 37xxxD/37xxxE Series VNA. | The .xyz file extension varies with the connector geometry and gender. The MS464xB Series VNA can read Lightning calibration kit files and convert them to a .ccf format. |