ax.set_ylabel('I (A)')
ax.set_ylim([-2.e-9, 2.e-9])
fig.tight_layout()
### connect and initialize
ky.connect()
ky.initialize()
ky.read_config()
########################
### ZERO VOLT OFFSET ###
########################
### configure source and trigger model
ky.source_measure_config(Vscan=[0.])
ky.trigger_config(Twait=10., Tstep=0., Tmeas=30., Nmeas='INF')
### start trigger model and wait
ky.trigger_init()
ky.trigger_wait()
### read measurements
measurements = ky.read_measurements()
### plot measurements
ky.plot_measurements(measurements,
'REL',
'READ',
ax,
invertX=False,
invertY=True)
#########################
### FORWARD BIAS SCAN ###
#########################
### [0., 3.] in 100 mV steps
Vmin = 0.
Vmax = 3.
Vstep = 0.100
Vscan = np.arange(Vmin, Vmax, Vstep)
Vscan = np.append(Vscan, Vmax)
### configure source and trigger model
ky.send('SOUR:VOLT:RANG 20')
ky.source_measure_config(Vscan = Vscan, Ilim = 25.e-3)
ky.trigger_config(Twait = 10., Tstep = 0.5, Tmeas = 0., Nmeas = 9)
### start trigger model and wait
ky.trigger_init()
ky.trigger_wait()
### read measurements
measurements = ky.read_measurements()
### plot measurements
ky.plot_measurements(measurements, 'SOUR', 'READ', ax, invertX = False, invertY = False);
### write measurements
ky.write_measurements(measurements, outfiletagname + '.fwdscan.csv')
### write commands
#########################
### [Vbd - 2, Vbd + 10] in 200 mV steps
Vmin = Vbd - 2.
Vmax = Vbd + 15.
Vstep = 0.200
Vscan = np.arange(Vmin, Vmax, Vstep)
Vsmart = [Vbd, Vbd + 5.]
### configure source, measure and trigger model
ky.source_measure_config(Vscan=Vscan,
Ilim=250.e-6,
reverse=True,
Vsmart=Vsmart,
Naver=Naver)
ky.trigger_config(Twait=30., Tstep=0.5, Tmeas=0., Nmeas=25)
### start trigger model and wait
ky.trigger_init()
ky.trigger_wait()
### read measurements
measurements = ky.read_measurements()
### plot measurements
ky.plot_measurements(measurements,
'SOUR',
'READ',
ax,
invertX=True,
invertY=True)