Agilent Technologies 4294A Specifications download pdf (Page 119)

B-1

APPENDIX B

Open and short compensation

The open/short compensation used in Agilent’s instrument models the residuals as a linear network

represented by the ABCD parameters, much like the open/short/load compensation techniques

described previously in this document. The difference is that the open/short compensation assumes

the unknown network as a “symmetrical network”. From this restriction, the open/short compensa-

tion does not require the load measurement to know each value of ABCD parameters. A theoretical

explanation and procedure are given in Figure B-1.

Figure B-1. Open/short compensation (1 of 2)

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Agilent Technologies 4294A Specifications Page 119