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Section

13: LPT library function reference Model 4200A-SCS Parameter Analyzer

Reference Manual

13-76 4200A-901-01 Rev. C / February 2017

Example

double ibceo, vbceo;

conpin(2, 3, GND, 0);

conpin(SMU1, 1, 0);

limitv(SMU1, 150.0); /* Limit voltage at 150 V. */

forcei(SMU1, ibceo); /* Force current through the DUT. */

measv(SMU1, &vbceo); /* Measure breakdown voltage; */

. /* return results to vbceo. */

This example measures the breakdown voltage of a device. The limit is set at 150 V. This limit is

necessary to override the default limit of the SMU, which would otherwise be in effect.

Also see

bsweepX (on page 13-65)

pulseX (on page 13-81)

devint (on page 13-13)

execut (on page 13-16)

forceX (on page 13-69)

measX (on page 13-78)

rangeX (on page 13-83)

searchX (on page 13-38)

sweepX (on page 13-88)

lorangeX

This command defines the bottom autorange limit.

Usage

int lorangei(int instr_id, double range);

int lorangev(int instr_id, double range);

instr_id

The instrument identification code

range

The value of the instrument range, in volts or amperes

Keithley 4200A-SCS Reference Manual

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