Atec Anritsu-ME7838A - Manual (Page 26)

26 PN: 11410-00593 Rev. D ME7838A BB/mm-Wave VNA TDS
Calibration, Verification, and Measurement VectorStar ME7838A BB/mm-Wave VNA
7. Calibration and Correction Capabilities
Calibration, Verification, and Measurement
Calibration Methods Short-Open-Load-Through (SOLT) with Fixed or Sliding Load
Offset-Short
Triple-Offset-Short
Short-Open-Load-Reciprocal (SOLR) Reciprocal or Unknown Through Method
Line-Reflect-Line (LRL) / Line-Reflect-Match (LRM)
Advanced-LRM (A-LRM™) for improved on-wafer calibrations
AutoCal
With Thru Update available.
Correction Models Full 12-term
1 Path / 2 Port
Frequency Response (Transmission or Reflection, one or both directions)
Reflection Only (1 Port or 2 Ports)
Merged Calibration Merge multiple calibration methods over bands of frequency points.
Coefficients for Calibration Standards
Load from USB Device Load coefficients from USB Memory Device from your Anritsu calibration kit.
User-Defined Enter manual coefficients into User-Defined locations.
Reference Impedance Modify the reference impedance from 50 Ω to any impedance, excluding 0 Ω.
Interpolation Allows interpolation between calibration frequency points, if selected
Adapter Removal Calibration Characterizes and "removes" an adapter used during calibration that will not be used for subsequent device
measurements, for accurate measurement of non-insertable devices.
Dispersion Compensation Selectable as Coaxial, other non-dispersive (for example a coplanar waveguide), Waveguide, or Microstrip.
Power Calibrations
Types Flat Power Calibrations and Linear Power Calibrations (Power Meter Correction)
Enhanced Power Accuracy Different power meter calibrations are available to enhance power accuracy at the desired reference plane
(to usually ≈ 0.1 dB for short periods of time).
Flat Power Calibrations Flat power calibrations (using the appropriate W1 adapter depending on the sensor) are available.
Different power meters/sensors are required depending on the frequency range (above or below 70 GHz).
Power level is user-selectable when within the power adjustment range of the internal source.
Other power levels are then arrived at by offset transfers.
Linear Power Calibration A linear power calibration is performed over a range of power levels for use in power sweep mode and is
performed at a specified frequency or frequency range.
External Power Meter Both calibrations are performed using an external power meter over the dedicated GPIB port.
Embedding/De-embedding The MS4640A is equipped with an Embedding/De-embedding system.
De-embedding De-embedding is generally used for removal of test fixture contributions, modeled networks and other
networks described by S-parameters (s2p files) from measurements. An extraction utility is part of this
package that allows the easier computation of de-embedding files based on some additional calibration
steps and measurements.
Embedding Similarly, the Embedding function can be used to simulate matching circuits for optimizing amplifier
designs or simply adding effects of a known structure to a measurement.
Multiple Networks Multiple networks can be embedded/de-embedded and changing the port and network orientations is
handled easily.
Impedance Conversion Allows entry of different impedances (complex values) for different ports.