tion
SHORT)
•
THRU
•
LINE
•
MATCH
•
Reflection
(OPEN or
3-Port
SHORT)
TRL
•
THRU
Calibra
tion
•
LINE
•
MATCH
•
Reflection
Simplif
(open or
ied 3-
short)
port
•
Thru
TRL
calibra
•
Line
tion
•
Match
•
Reflection
(OPEN or
4-Port
SHORT)
TRL
•
THRU
Calibra
tion
•
LINE
•
MATCH
•
Source Match (Es1,Es2)
•
Load Match (El1,El2)
•
Transmission Tracking
(Et21,Et12)
•
Reflection Tracking
(Er1,Er2)
Following 27 error terms:
•
Directivity
(Ed1,Ed2,Ed3)
•
Source Match
(Es1,Es2,Es3)
•
Load Match
(El21,El31,El12,El32,
El13,El23)
•
Transmission
Tracking
(Et21,Et31,Et12,Et32,
Et13,Et23)
•
Reflection Tracking
(Er1,Er2,Er3)
Same as 3-port TRL
calibration
Following 48 error terms:
•
Directivity
(Ed1,Ed2,Ed3,Ed4)
•
Source Match
(Es1,Es2,Es3,Es4)
•
Load Match
(El1,El2,El3,El4)
•
Transmission
Tracking
(Et21,Et31,Et41,Et12,
Et32,Et42,
Et13,Et23,Et43,Et14,
Et24,Et34)
ports)
S11,S21,S31,S12,S22
,S32,S13,S23,S33
(All S-parameters at 3
ports)
S11, S21, S31, S12,
S22, [S32], S13,
[S23], S33
(Part of thru (or line)
and line (or match)
measurement can be
skipped)
S11,S21,S31,S41,S12
,S22,S32,S42,S13,
S23,S33,S43,S14,S24
,S34,S44
(All S-parameters at 4
ports)
Measurement
measurement
•
Effective for
non-coaxial
device
measurement
•
Highly
accurate 3-
port
measurement
•
Effective for
non-coaxial
device
measurement
•
High-
accuracy 3-
port
measurement
Effective for
non-coaxial
device
measurement
•
Simpler
procedure by
skipping
thru/line/mat
ch
measurement
Highly accurate
4-port
measurement
Effective for
non-coaxial
device
measurement
121