Keithley 4200-SCS Guía del usuario

Model 4200-SCS

Startup Guide

PA-716 Rev. C / 11-03 1

Start Here! It’s easy... Step 1 Unpack your Keithley 4200-SCS

Step 2 System connections – Power cord, keyboard, and printer (optional)

Step 3 Connect DUT test fixture to 4200-SCS

Step 4 Power-up & log-in

Step 5 Start KITE, open the “default” project, and select the “vds-id” test

Step 6 Test definition

Step 7 Run “vds-id” test

Step 8 View data sheet

Step 9 View graph

Step 10 Printing and exporting data

This Startup Guide selects the “default” project and runs the “vds-id” test. If you wish to select a different

project and/or test, you must modify the procedures accordingly. Figure 1 shows how the KITE window

will look after the “default” project and “vds-id” test is selected.

Figure 1: KITE interface (“default” project shown with “vds-id” test selected)

Project Navigator Selected Test Toolbar KITE Workspace

Message Area

Model 4200-SCS

Step 1 Unpack your Keithley 4200-SCS

What’s in the box:

• 4200-SCS System – SMUs are built-in, and PreAmps are installed on the rear panel of the mainframe. A

PreAmp adds five lower current source-measure ranges to an SMU (10nA, 1nA, 100pA, 10pA, and 1pA).

The PreAmps can be removed from the rear panel and mounted remotely on a tester.

• Cables – 2 for each SMU.

• Y-Cable – Use to connect keyboard (with pointing device) to mainframe.

• Power cord

• 4200-SCS KTE Interactive CD-ROM

• 4200-SCS Complete Reference CD-ROM

How to lift:

• Lift the 4200-SCS from the bottom.

• Do not lift from the front bezel.

• Set on a bench or install in a rack with the optional slide rack mounting kit.

Step 2 System connections – Power cord, keyboard, and printer (optional)

Basic system connections to the 4200-SCS (shown in Figure 2) include the keyboard (which has a built-in

pointing device), the supplied power cord, and an optional printer. If using a USB printer, connect it to the

USB port.

WARNING Plug the female end of the supplied power cord into the

4200-SCS, but DO NOT connect the male end to line power at

this time. Steps 2 and 3 of this Startup Guide must be performed

with the line power disconnected.

Figure 2: System connections

Keithley

4200-SCS

Mouse/Keyboard

Connector

Parallel

Connector

Keyboard

Shielded

Parallel

Cable

Parallel

Printer

* v1.1 USB connector (Windows

XP Professional operating

system) – If using a USB printer,

connect it to the USB port.

USB

Port*

INSTRUMENT

CONNECTIONS

SMU ONLY

SMU AND GNDU

GNDU

COM 1

INSTRUMENTS

SLOT

LPT 1

INSTALLATION

CATEGORY

SENSE LO

GUARD

SENSE LO

COMMON

FORCE

SENSE

GUARD

4200

SMU

SENSE LO

SENSE

FORCE

PA CNTRL

KEITHLEY

4200

SMU

SENSE LO

SENSE

FORCE

PA CNTRL

KEITHLEY

4210

SMU

SENSE LO

SENSE

FORCE

PA CNTRL

KEITHLEY

4210

SMU

SENSE LO

SENSE

FORCE

PA CNTRL

KEITHLEY

4200

INTLK

OUT

KEITHLEY

Y-Cable (supplied)

Power Cord

(supplied)

Startup Guide

Step 3 Connect DUT test fixture to 4200-SCS

Figure 3 shows how to connect a test fixture for a 4-terminal device to the 4200-SCS. The test fixture must

be equipped with standard 3-lug female triax connectors.

•Connections to SMUs – To connect directly to an SMU, use a Mini triax cable that is terminated with a

miniature male triax connector on one end and a standard 3-slot male triax connector on the other end.

•Connections to PreAmps – To connect to a PreAmp, use a cable that is terminated with a standard

3-slot male triax connector on both ends.

NOTE Connections are snug; push firmly.

Figure 3: DUT test fixture connections to 4200-SCS

Step 4 Power-up & log-in

A. Make sure the power switch is in the O (out) position. The POWER switch is located on the front panel

in lower right-hand corner.

B. Plug the male end of the line cord into a properly grounded AC line power receptacle.

C. Turn on the 4200-SCS by pushing in the POWER switch to the I (in) position.

D. When prompted, simultaneously press Ctrl - Alt - Del.

E. At the KIUSER prompt, press ENTER. There is no password for this account.

CAUTION When first starting a KTE-Interactive software tool, you must

answer “Yes” to an on-screen license agreement. Answering

“No” makes your system nonfunctional until you reinstall the

software.

INSTRUMENT

CONNECTIONS

SMUONLY

SMU AND GNDU

GNDU

INSTRUMENTS

SLOT

SENSE LO

COMMON

FORCE

SENSE

SENSE LO

SENSE

FORCE

SENSE LO

SENSE

FORCE

SENSE LO

SENSE

FORCE

SENSE LO

SENSE

FORCE

PA CN

PA-1REMOT

PA-1REMO

RE MP

4200-PA-1REMO

CONTROL

OUT

INSTRUMEN

CONNECTIONS

SMUONL

SMU AND GNDU

GNDU

INSTRUMENTS

SLOT

SENSE LO

COMMON

FORCE

SENSE

SENSE LO

SENSE

FORCE

SENSE LO

SENSE

FORCE

PA CNTRL

SENSE LO

SENSE

FORCE

PA CNTRL

SENSE LO

SENSE

FORCE

PA CNTRL

OUT

PA CNTRL

Four

Terminal

Device Four

Terminal

Device

“FORCE”

Connectors

“FORCE”

Connectors

on SMUs

PreAmps

“FORCE” Connector

on GNDU

“FORCE” Connector on GNDU

Test Fixture

Connections to SMUs Connections to SMUs/PreAmps

Model 4200-SCS

Step 5 Start KITE, open the “default” project, and select the “vds-id” test

A. Start KITE by double-clicking the following KITE icon on the Windows desktop:

Double-click to start KITE.

B. When KITE starts, the “default” project will open automatically if it has been set as the default project. If a

different project opens, perform the three steps in Figure 4 to open the “default” project. The Project

Navigator for the “default” project is shown in Figure 1.

NOTE If the Project Navigator is not displayed when KITE is started, click the

View menu and select the Project Navigator item. The View menu is

located at the upper left-hand side of the KITE window.

Figure 4: Open “default” project

1. From the File menu,

click Open Project.

2. Use the browser to select

the default project*.

3. Click Open to open

the “default” project.

* When browsing, use the following directory path to locate the “default.kpr” project file:

C:\S4200\kiuser\Projects\default\default.kpr

Startup Guide

C. Select the “vds-id” test and display the test Definition tab as shown in Figure 5. The Definition

tab for the “vds-id” test is shown in Figure 6.

Figure 5: “default” Project Navigator – selecting the “vds-id” test

Step 6 Test definition

The test is defined from the test Definition tab shown in Figure 6. As shown in the tab, the device is

connected to three SMUs and the Ground Unit (GNDU). In general, SMU3 is used as a voltage step function

to provide four different gate voltages (2V, 3V, 4V, and 5V). SMU2 is used to perform a 51 point sweep of

drain voltage (0V to 5V) at each gate voltage. A current measurement is performed at each voltage

sweep point.

A. If desired, the setup for SMUs and the GNDU can be changed. A settings window is displayed by clicking

the appropriate FORCE MEASURE bar as shown in Figure 6. Figure 7 shows the settings win-

dow for SMU3. The settings windows for the other SMUs and GNDU are similar.

Double-click “vds-id” to select the test

and display the test Definition tab.

The checkbox for “vds-id” must be

checked in order to run the test. If

unchecked, click the checkbox to

insert a ✔.

Model 4200-SCS

Figure 6: “vds-id” Definition tab - How to display a setup window for SMUs and GNDU

Figure 7: Setup for SMU3

B. After making any changes to the test definition, click Save All on the toolbar to save the settings:

Click to set

up SMU2.

Click to set

up SMU1.

Click to set

up SMU3.

Click to set

up SMU3.

These parameters set

the gate voltage steps:

2V, 3V, 4V, and 5V.

If you make any

changes to the SMU3

setup, click OK to

enter the changes and

close the window.

Click Save All to

save settings.

Startup Guide

Step 7 Run “vds-id” test

A. In the Project Navigator (see Figure 5), make sure the “vds-id” test is highlighted and the checkbox is

checked.

B. On the toolbar, click the green Run Test button to run the test one time:

While the test is running, the Run Test button turns gray and the Abort Test button turns red. Also the

MEASURING indicator (located on lower right-hand corner of the front panel) will be on while the test is

running. When the test if finished, the Run Test button turns green.

Troubleshooting hints:

• A selected test will not run if the Run Test button is not green. Here are a few reasons why the

Run Test button will not be green:

- A test is still running.

- The checkbox for the test is not checked (see Figure 5).

- Changes to the test setup were not saved (see Step 6B).

• If a selected test still will not run, click the Status tab for the test. This tab provides status information

for the test.

Click Run Test

to start test.

Model 4200-SCS

Step 8 View data sheet

The data sheet for the “vds-id” test is displayed by clicking the Sheet tab for the test. Use the tabs at the

bottom of the Sheet to display the data type. A sample data sheet for the “vds-id” test is shown in Figure 8.

Figure 8: Sample data sheet for “vds-id” test

* To select more than one sheet for selective printing, hold down the Ctrl key and then click the tab. See

Step 10 to print Sheet data.

Click to display

Data sheet*.

Click to export

data (see Step 10).

Click to display

Calc sheet*.

Click to display

Settings sheet*.

Startup Guide

Step 9 View graph

The graph for the “vds-id” test is displayed by clicking the Graph tab for the test. A sample graph for the

“vsd-id” test is shown in Figure 9. As shown, there are four I-V curves – one for each gate voltage. The

graph was customized to include the Legend box and use different colors for the graph series. The Graph

Settings menu (shown in Figure 10) was used to select the Legend box and change series colors.

Figure 9: Sample graph for “vds-id” test

Model 4200-SCS

Figure 10: Graph settings menu

Click Graph Properties and

then Series to change the

properties for each of the

four series.

Click to select (✔)

Legend box.

To display the Graph

Settings menu: Right-click

mouse anywhere in the

graph area.

From the Tools menu,

select Graph Settings.

Graph Settings

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