Agilent Technologies B1500A User Manual

Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3 4-17
Programming Examples for C++ Users
Staircase Sweep Measurement
Table 4-6 uses the agb1500_setSweepSync function to perform MOSFET Id-Vg
measurement.
Table 4-6 Staircase Sweep Measurement Example 2
void perform_meas (ViSession vi, ViStatus ret) /* 1 */
{
ViInt32 drain = 1; /* SMU1 */ /* 4 */
ViInt32 gate = 2; /* SMU2 */
ViInt32 source = 4; /* SMU4 */
ViInt32 bulk = 6; /* SMU6 */
ViReal64 vd = 3;
ViReal64 vg = 3;
ViReal64 idcomp = 0.05;
ViReal64 igcomp = 0.01;
ViReal64 hold = 0;
ViReal64 delay = 0;
ViReal64 s_delay = 0;
ViReal64 pdcomp = 0;
ViReal64 pgcomp = 0;
ViInt32 nop = 11;
ViInt32 rep;
ViReal64 sc[11];
ViReal64 md[11];
ViInt32 st[11];
ViReal64 tm[11];
ViInt32 i;
ViChar f_name[] = "C:\\Agilent\\ex\\data2.txt";
ViChar head1[] = "Vg (V), Id (mA), Time (sec), Status";
ViChar msg1[] = "Saving data...";
ViChar msg2[] = "Data save completed.";
ViChar c = ’\n’; /* 31 */
ret = agb1500_setSwitch(vi, drain, 1); /* 33 */
ret = agb1500_setSwitch(vi, gate, 1);
ret = agb1500_setSwitch(vi, source, 1);
ret = agb1500_setSwitch(vi, bulk, 1);
check_err (vi, ret); /* 37 */
Line Description
1 Beginning of the perform_meas subprogram.
4 to 31 Declares variables, and defines the value.
33 to 36 Enables measurement channels.
37 Calls the check_err subprogram (shown in Table 4-1) to check if
an error status is returned for the previous line.

Agilent Technologies B1500A Specifications

General

Brand	Agilent Technologies
Model	B1500A
Category	Measuring Instruments
Language	English