Specifications

Chapter 6 123
Read and Write Measurement Data
Internal Data Flow
6. Read and Write Measurement Data
Internal Data Flow
Data Processing Flow
Figure 6-5 shows an overview of the E4991A internal data processing flow.
Figure 6-5 E4991A Data Processing Flow
The following section explains the internal data arrays show in Figure 6-5.
Internal Data Arrays
Raw Data Array
The raw data array contains the results of calibration, fixture electrical length/port
extension compensation, and fixture compensation performed on the measured raw data. It
is stored as a complex format (R-X). Use the following GPIB command to read the raw
data array.
• DATA:RAW? on page 349