Chapter 3 3-19
GPIB Programming
Calibration
Table 3-3 Error Coefficient Arrays
Array Response Response and
Isolation
1-port Enhanced
Response
2-port
1
1. One path, 2-port cal duplicates arrays 1 to 6 in arrays 7 to 12.
TRL/LRM
01 E
R
or E
T
E
X
(E
D
)
2
2. Response and isolation corrects for crosstalk and transmission tracking in transmission
measurements, and for directivity and reflection tracking in reflection measurements.
E
D
E
D
E
DF
E
DF
02 E
T
(E
R
)E
S
E
S
E
SF
E
SF
03 E
R
E
R
E
RF
E
RF
04 E
X
E
XF
E
XF
05
E
L
3
3. This term is used to generate the calibration coefficients, but is not used during measurement
error correction.
E
LF
E
LF
06 E
T
E
TF
E
TF
07 E
DR
E
DR
08 E
SR
E
SR
09 E
RR
E
RR
10 E
XR
E
XR
11 E
LR
E
LR
12 E
TR
E
TR
Meaning of first subscript: Meaning of second subscript:
D: directivity F: forward
S: source match R: reverse
R: reflection tracking
X: crosstalk or isolation
L: load match
T: transmission tracking
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