Agilent Technologies B1500A User Manual

Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3 3-53
Programming Examples for Visual Basic Users
Staircase Sweep with Pulsed Bias Measurement
For j = 1 To nop2 ’array counter for secondary sweep output data ’72
dvg(j - 1) = vg
ret = agb1500_setPbias(vi, m(1), agb1500_VF_MODE, 0, 0, vg, width, period,
p_hold, igcomp)
ret = agb1500_setIv(vi, m(0), agb1500_SWP_VF_SGLLIN, 0, vd1, vd2, nop1, hold,
delay, s_delay, idcomp, p_comp)
check_err vi, ret
ret = agb1500_sweepPbias(vi, m(0), agb1500_IM_MODE, 0, rep, sc(i), md(i),
st(i), tm(i))
check_err vi, ret
vg = vg + d_vg
If rep = nop1 Then
i = i + nop1
Else ’82
msg = rep & " measurement steps were returned. It must be " & nop1 & "
steps."
MsgBox msg, vbOKOnly, ""
ret = agb1500_zeroOutput(vi, agb1500_CH_ALL)
check_err vi, ret
GoTo Bottom_sub
End If ’88
Next j ’89
ret = agb1500_zeroOutput(vi, agb1500_CH_ALL) ’90
check_err vi, ret
save_data nop1, nop2, dvg(), md(), st(), sc(), tm(), vi, ret, m() ’93
Bottom_sub:
End Sub
Line Description
72 to 91 Measures MOSFET Id-Vd characteristics.
74 to 75 Sets the pulsed source and the voltage sweep source.
57 Performs the staircase sweep with pulsed bias measurement.
82 to 88 Disables all ports and stops the program execution if the number of returned data is
not equal to the nop1 value.
90 Sets the specified port to the zero output state.
76, 78, 86, and 91 Calls the check_err subprogram (shown in Table 3-1) to check if an error status is
returned for the previous line.
93 Calls the save_data subprogram (next page) to save measurement data.
96 End of the sweep_meas subprogram.

Agilent Technologies B1500A Specifications

General

Type	Semiconductor Device Analyzer
Model	B1500A
Maximum Voltage	200 V
Number of SMUs	Up to 10
Frequency Range	DC to 1 MHz
Connectivity	USB, LAN
Channels	Up to 10
Interface	GUI

Summary

Installation

System Requirements

Details the necessary hardware and software for the driver.

Installing VXIplug&play Driver

Provides a step-by-step guide for installing the driver.

Before Programming

Covers pre-programming setup and configuration steps.

Driver Functions

Function List

Lists all available driver functions with brief descriptions.

Parameters

Details the parameters used by various driver functions.

Status Code

Describes the status codes returned by measurement functions.

Function Reference

Provides detailed descriptions and syntax for each driver function.

Visual Basic Programming Examples

Programming Basics

Basic information and steps for programming with the driver.

High Speed Spot Measurement Example

Example demonstrating high-speed spot measurement using Visual Basic.

Staircase Sweep Measurement Example

Example for staircase sweep measurements.

Breakdown Voltage Measurement Example

Example for measuring breakdown voltage.

Leakage Current Measurement Example

Example for measuring leakage current.

C++ Programming Examples

Programming Basics

Basic information and steps for C++ programming.

High Speed Spot Measurement Example

Example demonstrating high-speed spot measurement in C++.

Staircase Sweep Measurement Example

Example for staircase sweep measurements in C++.

Breakdown Voltage Measurement Example

Example for measuring breakdown voltage in C++.

Leakage Current Measurement Example

Example for measuring leakage current in C++.

Sampling Measurement Example

Example for sampling measurement in C++.

CV Sweep Measurement Example

Example for CV sweep measurement in C++.