Instruction manual

Appendix B 303
Differences from Agilent 4286A
3. Functional Differences Between 4286A and 4287A
1. Chapter Title
2. Chapter Title 3. Chapter Title B. Differences from
Agilent 4286A
Calibration FIXTURE SELECT FIXTURE USER √ √
Change and archive SAVE USER
FIXTURE KIT
√ √
For the 4287A, the new setting immediately
takes effect when change is made, without
having to press a specific key.
MODIFY DEFINE EXTENSION √ √
MODIFY LABEL FIXTURE √ √
MODIFY KIT DONE (run) √ √
CALIBRATION
KIT
Use 7-mm CAL KIT √ √
Use 3.5-mm CAL KIT √
Use CAL KIT User Kit √ √
Change and archive SAVE USER
KIT
√ √
Input MODIFY OPEN G √ √
Input MODIFY OPEN C √ √
Input MODIFY SHORT L √ √
Input MODIFY SHORT Rs √ √
Input MODIFY LOAD L √ √ For the 4286A, only Ls-Rs can be set for the
equivalent circuit; whereas, for the 4287A,
either Ls-Q or Cp-D can also be selected for
the equivalent circuit.
Input MODIFY LOAD Rs
√ √
Change and Run STD DONE
√ √
The 4287A is not provided with a specific
key associated with this function; the setting
is run at the same time the data is input.
Input LABEL KIT Label √
Calibration COMPEN KIT Change and archive SAVE
COMPEN KIT
√ √
For the 4286A, only one value can be set for
all frequencies; for the 4287A, each list
sweep frequency can be set.
Input MODIFY OPEN G √ √
Input MODIFY OPEN C √ √
Input MODIFY SHORT L √ √
Input MODIFY SHORT Rs √ √
Input MODIFY LOAD L
√
For the 4287A, LOAD compensation is not
available; calibration should be used for this
purpose.
Input MODIFY LOAD Rs √
Change and Run STD DONE √ √
PORT
EXTENSION
Port Extension ON/OFF √
Input Extension Value √
Table B-5 Measurement functions
Function 4286A 4287A Remarks