To Perform A Calibration Check - HP 8712ET User Manual

Table 6-2
Measurement Calibration
Type
Transmission Default
Response
Response &
Isolation
Enhanced
Response
Test Set
Reflection
Default
One-Port
Test Set
1. O = Open, S = Short, L = Load, T = Thru
2. See "Error Term Descriptions and Typical Values" on page
3. Used with multiport test sets.
5. When the residual errors have drifted beyond what is acceptable, note
the time interval and use that information to determine what is the
best calibration interval for your measurements.
6. Repeat the process above enough times to feel confident that your
calibration interval is correct.

To Perform a Calibration Check

The calibration check feature can be used on any of the transmission or
reflection calibrations available (including the factory default
calibration). See Table 6-2, "Calibration Check Error Terms."
Calibration Check Error Terms
Standards
Types Needed
O,S,L,T
O,S,L,T
O,S,L(2),T
O,S,L,T
3
O,S,L,T
O,S,L
O,S,L
3 O,S,L
ET User's Guide
Calibrating for Increased Measurement Accuracy
Error Terms
1
Source Match, Load Match, Transmission Tracking
Source Match, Load Match, Transmission Tracking
Source Match, Load Match, Transmission Tracking,
Isolation
Source Match, Load Match, Transmission Tracking
Source Match, Load Match, Transmission Tracking
Directivity, Source Match, Reflection Tracking
Directivity, Source Match, Reflection Tracking
Directivity, Source Match, Reflection Tracking
6-31.
Checking the Calibration
2
Computed
6-29