3Verifying System Functionality

To perform the system functional verification test (continued)

Step

Action

Notes

 

 

 

15 For systems with the

a From the IC-CAP/Main window menu bar,

This opens the File Open dialog box.

Agilent 4284A precision

choose File > Examples... .

 

LCR meter, open the

b In the Directories list of the File Open dialog

This opens a list of model files.

junction capacitance

box, double-click on the directory

 

model (juncap.mdl) in

.../examples/model_files.

 

IC-CAP.

c In the Directories list of the File Open dialog

(Scroll the list, if needed.) This displays

 

box, double-click on the directory

a list of modeling files in the Files list of

 

.../model_files/diode.

the File Open dialog.

 

d In the Files list of the File Open dialog,

This opens the juncap model window.

 

double-click on juncap.mdl.

The juncap model window contains tab

 

 

folders used to interact with the model

 

 

data.

 

 

 

16 Select the DUT/Setup.

a Select the DUTs-Setups tab.

This opens the capacitance vs. voltage

 

b Click the area > cv setup.

setup.

 

 

 

17 Set the LCR meter

a Select the Instrument Options tab.

This sets the cable length in the LCR

instrument options.

b Highlight the Cable Length variable and

meter instrument options.

 

enter 2.

 

18 Calibrate the LCR meter.

a

On the 16048D test leads, connect one tee

 

 

between the Hpot and Hcur connectors.

 

b Connect the other tee between the Lpot and

 

 

Lcur connectors. Select the

 

 

Measure/Simulate tab.

 

c

Select Calibrate.

 

d Follow the IC-CAP prompts.

This performs a calibration on the LCR meter.

The BNC tee part number is 1250-2405.

19

Measure the open circuit

a

Select Measure.

This measures the open circuit

 

capacitance.

 

 

 

capacitance.

 

 

 

 

 

 

20

Observe the results

a

After the calibration is complete, observe

The measured result should be less

 

 

 

the plot.

 

than ±10E-15 farads.

bRescale the measured result (displayed in red) cap.m.

*To familiarize yourself with the IC-CAP software, refer to the first three chapters of the Agilent IC-CAP 2004 User’s Guide, model number 85190D.

To save this hardware configuration: on the IC-CAP main menu bar, choose File > Save As and enter a filename, for example config1.hwd (the file suffix must be .hwd).

To save this hardware configuration: on the IC-CAP main menu bar, choose File > Save As and enter a filename, for example config1.hwd (the file suffix must be .hwd).

**S12 is identical to S21 because the attenuator is assumed to be symmetrical.

This completes the functional verification procedure.

100

Installation and User’s Guide

Page 100
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Agilent Technologies 85225F manual Select Calibrate

85225F specifications

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