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Model 4200-CVU-PWR 

 

PA-977 Rev. C / September 2016 

3 

 

In this setup, you can connect either the CVL1 (LPOT and LCUR) or CVH1 (HPOT and HCUR) to the AC Input 
of the 4205-RBT. By default, the AC ammeter is connected to the CVL1.   

To make C-V measurements with a voltage differential up to 400 V, two 4205-RBTs and two 4200-SMUs or 
4210-SMUs are required, in addition to the 4210-CVU (see next figure). In this configuration, you connect 
4200-SMU 1 and the CVL1 (LPOT and LCUR) terminals of the 4210-CVU through one 4205-RBT to one side of 
the device. Connect the other side of the device through a second 4205-RBT, to both the 4200-SMU 2 and the 
CVH1 (HPOT and HCUR) terminals of the 4210-CVU. This setup allows 400 V differential measurements, for 
example, 0 to 400 V, –100 to 300 V, or –400 V to 0 V. 

 

 

Control high voltage measurements using software 

The 

hivcvulib

 user library contains two modules, 

SweepV

 and 

CvsT

, that allow you to make high voltage 

C-V measurements. If one 4205-RBT is used, the 

SweepV

 module allows you to sweep a DC voltage across 

the DUT using the 4200-SMU or 4210-SMU and measure the capacitance using the 4210-CVU. If two 
4205-RBTs are used with the 

SweepV

 module, one SMU is used to sweep the DC voltage and the other SMU 

is used to apply an offset DC bias (as shown in the previous figure). 

The 

CvsT

 module provides capacitance measurements as a function of time at a user-specified DC bias. You 

can also use this module with either one or two 4205-RBTs. With one 4205-RBT and one SMU, capacitance 
measurements can be made with up to 200 V DC bias. With two 4205-RBTs and two SMUs, capacitance 
measurements can be made up to 400 V DC bias. 

You can open the 

SweepV

 and 

CvsT

 modules in a project using a user test module (UTM). These modules are 

also preconfigured in a project. On the 4200A-SCS, the project is the 

High Voltage C-V Tests Project 

(cvu-highv)

. On the 4200-SCS, the project is 

CVU_highV

.   

If you are using a 4200A-SCS, to locate the project, you can search Projects in Clarius: 

 

Содержание KEITHLEY 4200-CVU-PWR

Страница 1: ...voltage bias of up to 200 V or 400 V differential 0 V to 400 V and a current output of up to 300 mA Using this package the 4210 CVU Capacitance Voltage Unit measures the capacitance and either one or two 4200 SMUs or 4210 SMUs are used to supply the DC bias or sweep voltage The next figure shows the hardware that is supplied with this package The next table lists the hardware part number and quant...

Страница 2: ...BTs are required in the test circuit For C V measurements with an applied voltage bias up to 200 V one 4205 RBT is required For C V measurements with a voltage differential up to 400 V two 4205 RBTs are required To make C V measurements with an applied voltage bias up to 200 V connect one 4200 SMU or 4210 SMU source measure unit one 4210 CVU capacitance voltage unit and one 4205 RBT to the device ...

Страница 3: ...vsT that allow you to make high voltage C V measurements If one 4205 RBT is used the SweepV module allows you to sweep a DC voltage across the DUT using the 4200 SMU or 4210 SMU and measure the capacitance using the 4210 CVU If two 4205 RBTs are used with the SweepV module one SMU is used to sweep the DC voltage and the other SMU is used to apply an offset DC bias as shown in the previous figure T...

Страница 4: ...Configure 5 In the Test Settings pane under User Libraries select hivcvulib 6 In the User Modules list select CvsT or SweepV More detail about the 4200 CVU PWR For more information about using the 4200 CVU PWR with a 4200A SCS go to http www tek com keithley and search for the document named Using the 4200 CVU PWR C V Power Package to Make High Voltage and High Current C V Measurements with the Mo...

Страница 5: ...ese instruments will be marked as category II or higher Unless explicitly allowed in the specifications operating manual and instrument labels do not connect any instrument to mains Exercise extreme caution when a shock hazard is present Lethal voltage may be present on cable connector jacks or test fixtures The American National Standards Institute ANSI states that a shock hazard exists when volt...

Страница 6: ...hat selected parts should be purchased only through Keithley Instruments to maintain accuracy and functionality of the product If you are unsure about the applicability of a replacement component call a Keithley Instruments office for information Unless otherwise noted in product specific literature Keithley instruments are designed to operate indoors only in the following environment Altitude at ...

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