Wisconsin Employment Relations Commission, 259 N.W.2d 724, 97 LRRM
7, 51 LRRM
(BNA) 1584 (NLRB 1962), enforcement denied, 326 F.2d 172 (2d Cir.
To calibrate the system in the plane of coplanar probes, LRRM
calibration (LINE, REFLECT, REFLECT, MATCH) , as well as coplanar standards (Cascade Microtech ISS 101-190), have been used.
Standard Line-Reflect-Reflect-Match (LRRM
) methods were used for calibration of the network analyser.
Since it is not required to connect standards between orthogonal probes, this procedure allows on-wafer multiport measurements to be corrected by any standard two-port calibration, including SOLT, line-reflect-match (LRM) and line-reflect-reflect-match (LRRM
), plus the most accurate on-wafer calibration, multiline TRL.
Strid, "LRM and LRRM
Calibrations with Automatic Determination of Load Inductance," Automatic RF Techniques Group Conference Digest, (Monterey, CA), November 1990, pp.
At each temperature, the system was recalibrated using LRRM
calibrations with automatic load inductance correction.|2~ This load inductance compensates for the micron-level misplacement of the probes on the standards to obtain the correct reference reactance.
An optional software module enables automatic calibrations using LRM, LRRM
or SOLT routines.