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Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3 2-35

Driver Functions

agb1500_msweepIv

ViReal64 ve = 0;

ViReal64 ibcomp = 0.01;

ViReal64 iccomp = 0.1;

ViReal64 iecomp = 0.1;

ViReal64 pcomp = 0;

ViInt32 nop = 11;

ViReal64 hold = 0;

ViReal64 delay = 0;

ViReal64 s_delay = 0;

ViReal64 p_comp = 0;

ViInt32 mode = 1; /* current measurement */

ViReal64 range = 0 ; /* auto range */

ViInt32 rep;

ViReal64 sc[11];

ViReal64 md[11];

ViInt32 st[11];

ViReal64 tm[11];

ret = agb1500_setSwitch(vi, emitter, 1);

ret = agb1500_setSwitch(vi, base, 1);

ret = agb1500_setSwitch(vi, collector, 1);

ret = agb1500_resetTimestamp(vi);

ret = agb1500_force(vi, emitter, 2, 0, ve, iecomp, 0);

ret = agb1500_force(vi, collector, 2, 0, vc, iccomp, 0);

ret = agb1500_setIv(vi, base, 1, 0, vb1, vb2, nop, hold, delay,

s_delay, ibcomp, pcomp);

ret = agb1500_msweepIv(vi, collector, mode, range, &rep, &sc[0],

&md[0], &st[0], &tm[0]);

For the above example, the array variables sc[], md[], st[], and tm[] will contain the

following data.

sc[n]: Sweep source setup data (voltage).

md[n]: Measurement data (current).

st[n]: Status for the md[n] data.

tm[n]: Time stamp data (measurement start time) for the md[n] data.

where, n = 0 to 10 (integer).

Agilent Technologies B1500A User Manual

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