Agilent Technologies B1542A Manual do Utilizador descarregar pdf (Página 8)

Measurement integrity main-

tained in all measurement envi-

ronments.

An accurate capacitance meter is

useless without equally accurate

methods for switching between

CV and IV measurements. Agilent

supplies CV-IV switching solu-

tions for both positioner-based

and probe card-based environ-

ments that do not degrade capa-

citance measurement accuracy.

All solutions automatically

compensate for the cable length,

and they support phase, open,

short, and load calibration for

maximum accuracy. In addition,

Agilent solutions short the

guards together during CV

measurement to eliminate cable

inductance effects. The net result

is unparalleled ease-of-use,

flexibility, and measurement

accuracy in every type of wafer

probing environment.

CV-IV switching solutions without compromise

All Agilent CV-IV switching solutions support shorting the guards together automatically during CV

measurement. Shorting the guards together stabilizes the series inductance and greatly improves the

accuracy of the measurement data.

Measurement Error (100 pF Capacitor)

Error (%)

Triaxial Cable Separation

4.00%

2.00%

0.00%

-2.00%

-4.00%

-6.00%

Guards Shorted Guards Not Shorted

Minimum Maximum

The optional guard switch unit (GSWU)

works with the SCUU to automatically

short the guards together during

CV measurements.

The B2200A and B2201A have two

inputs optimized for CV measurements.

B1500A EasyEXPERT

software supports B2200A

and B2201A compensation.

Agilent provides complete CV-IV probecard-based

switching solutions. If you do not want to use the

B2220A interface, Agilent also supports user-

customizable configurations.

The B2220A probe card interface

automatically shorts the guards

during CV measurements.

Connection cables are supported

by built-in compensation routines.

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