Agilent Technologies ENA Series

100 Chapter 4
Calibration
Calibration Types and Characteristics
Simplified full 3-port
calibration
*5*1
•Open
•Short
•Load
•Thru
Same as full 3-port calibration S11, S21, S31,
S12, S22,
[S32], S13,
[S23], S33
(Part of thru
measurement
can be
skipped)
•High-accuracy 3-port
measurement
*7*4
•Simpler procedure by skipping thru
measurement
Full 4-Port
Calibration
*8*1
ECal module
(2-port
*6
/
4-port)
Following 48 error terms:
•Directivity (Ed1,Ed2,Ed3,Ed4)
•Isolation
(Ex21,Ex31,Ex41,Ex12,Ex32,Ex4
2,Ex13,Ex23,Ex43,Ex14,Ex24,Ex
34)
*3
•Source Match (Es1,Es2,Es3,Es4)
•Load Match (El1,El2,El3,El4)
•Transmission Tracking
(Et21,Et31,Et41,Et12,Et32,Et42,E
t13,Et23,Et43,Et14,Et24,Et34)
•Reflection Tracking
(Er1,Er2,Er3,Er4)
S11,S21,S31,S
41,S12,S22,S3
2,S42,S13,S23
,S33,S43,S14,
S24,S34,S44
(All
S-parameters
at 4 ports)
•Highly accurate 4-port
measurement
*4
•Quick calibration with low
chance of operator error
•OPEN
•SHORT
•LOAD
•THRU
•Highly accurate 4-port
measurement
*4
Simplified full 4-port
calibration
*8*1
•Open
•Short
•Load
•Thru
Same as full 4-port calibration S11, S21, S31,
[S41], S12,
S22, [S32],
[S42], S13,
[S23], S33,
S43, [S14],
[S24], S34,
S44
(Part of thru
measurement
can be
skipped)
•High-accuracy 4-port
measurement
*7*4
•Simpler procedure by skipping thru
measurement
2-Port TRL
Calibration
•Reflection
(OPEN or
SHORT)
•THRU
•LINE
•MATCH
Following 12 error terms:
•Directivity (Ed1,Ed2)
•Source Match (Es1,Es2)
•Load Match (El1,El2)
•Transmission Tracking
(Et21,Et12)
•Reflection Tracking (Er1,Er2)
S11,S21,S12,S
22
(All
S-parameters
at 2 ports)
•Highly accurate 2-port
measurement
• Effective for non-coaxial device
measurement
3-Port TRL
Calibration
*5
•Reflection
(OPEN or
SHORT)
•THRU
•LINE
•MATCH
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)
S11,S21,S31,S
12,S22,S32,S1
3,S23,S33
(All
S-parameters
at 3 ports)
•Highly accurate 3-port
measurement
•Effective for non-coaxial device
measurement
Table 4-1 Calibration Types and Characteristics
Calibration Method Standard(s)
Used
Corrected Error Factor Measurement
Parameters
Characteristics