Agilent Technologies B1500A User's Guide download pdf (Page 82)

2-66 Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3

Driver Functions

agb1500_startMeasure

For SMU: 1 (current) or 2 (voltage).

For MFCMU: 1 to 402. See Table 2-6.

range[ ] Measurement ranging mode.

For SMU: 0 (auto), positive value (limited auto), or negative

value (fixed range). See Table 2-3.

For MFCMU: 0 (auto) or positive value (fixed range). See

Table 2-7.

source Enables or disables source data output. 0 (disable) or 1 (enable).

For meas_type=9, 14, and 15, enter 0 (zero). Source data output

is not available for these measurement types.

timestamp Enables or disables time stamp data output. Time stamp data is

the measurement start time. 0 (disable) or 1 (enable).

For meas_type=9, 14, and 15, enter 0 (zero). Time stamp data

output is not available for these measurement types.

monitor Enables or disables MFCMU monitor data output. 0 (disable) or

1 (enable). If monitor=1, the MFCMU AC output level monitor

data and DC bias monitor data will be returned.

This parameter is available only for meas_type=17 and 18. For

the other measurement types, enter 0 (zero).

Example

ViSession vi;

ViStatus ret;

ViInt32 mch[3]; /* channel */

mch[0] = 1; /* SMU1 for the 1st measurement channel*/

mch[1] = 2; /* SMU2 for the 2nd measurement channel*/

mch[2] = 0;

ret = agb1500_setSwitch(vi, mch[0], 1);

ret = agb1500_setSwitch(vi, mch[1], 1);

ViInt32 om = 2; /* output mode: voltage */

ViReal64 or = 0; /* output range: auto */

ViReal64 v1 = 0; /* base voltage */

ViReal64 v2 = 1.5; /* peak voltage */

ViReal64 tw = 0.001; /* width */

ViReal64 tp = 0.01; /* period */

ViReal64 th = 0; /* hold time */

ViReal64 ic = 0.01; /* current compliance */

ret= agb1500_setPbias(vi, mch[0], om, or, v1, v2, tw, tp, th, ic);

ret= agb1500_force(vi, mch[1], om, or, v1, ic, 0);

ViInt32 type = 3; /* pulsed spot measurement */

ViInt32 mode[2]; /* measurement mode */

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