style+=1;
label_uc = "Uc=%.2f" % (Uc)
GRAPH_2_Y = []
GRAPH_2_X = []
# Инициализация
if abs(Uc) > 2 and abs(Uc) <=20:
ag.initialize(2,"v","R20V",Uc)
elif abs(Uc) <= 2:
ag.initialize(2,"v","R2V",Uc)
ag.initialize(1,"v","R20V",Uc)
ag.initialize(2,"c","R1uA")
# Задаём источник постоянного напряжения
ag.source(2,"v",Uc)
write2file(fdbg,"@Uc=%.2f" % (Uc),True)
write2file(fdbg,"Forward I-V",True)
write2file(fdbg,"Ue\tIb\t\tIb_m\t\tUc\tUc_meas\tIc\t\tBetta\tTemp",True)
ag.start_output(2)
for Ib in Ib_RANGES:
stop_measure = False
good_rng = ag.get_good_range("c",Ib)
meas('Uds'),meas('Uds_m'),meas('Ugs'),meas('Ugs_m'), \
meas('Ubs'),meas('Ubs_m'),meas('Ids'),meas('Temp') )
return True
if INCLUDE_GRAPHICS:
plt.figure(1,figsize=(18, 9), dpi=80, facecolor='w', edgecolor='k')
style = 0
#
ag.start_output('all')
for Ubs in Ubs_RANGES:
ag.source(CHANNEL_UBS,'v',Ubs)
for Ugs in Ugs_RANGES:
ag.source(CHANNEL_UGS,'v',Ugs)
GRAPH_Y = []
GRAPH_X = []
style += 1
title = "Ugs=%.2f, Ubs=%.2f" % (Ugs,Ubs)
print title
print " \tUds\tUds_m\tUgs\tUgs_m\tUbs\tUbs_m\tIds\t Temp"
for Uds in Uds_RANGES:
ag.source(CHANNEL_UDS,'v',Uds)
if not execute():
print "Error in execute"
style = 1
# Initial ranges
ag.initialize(1,"v","R2V")
ag.initialize(1,"c","R1uA")
for Ud in Ud_RANGES:
rang = ag.get_good_range( "v", Ud )
if rang != ag.get_range(1,"v"):
ag.initialize(1,"v",rang)
ag.source(1,"v",Ud)
ag.start_output(1) # Запускаем источник
if not execute():
#print "Stop_measure: "+str(stop_measure)
if stop_measure:
break
ag.stop_output(1)
time.sleep(0.5)
if INCLUDE_GRAPHICS:
plt.plot(IV_V,IV_I,get_style_plot(style,False),label=devname)
fmeasure.close()
ag.initialize(2,"v","R20V",Uc_max)
elif abs(Uc_max) <= 2:
ag.initialize(2,"v","R2V",Uc_max)
rang = ag.get_good_range( "c", Ib )
print "@CH1 range: %s , Ib = %.2e" % (rang, Ib )
ag.initialize(1,"c",rang)
ag.initialize(1,"v","R2V")
ag.initialize(2,"c","R1uA")
# Задаём источник постоянного тока
ag.source(1,"c",Ib)
write2file(fdbg,"@Ib=%.2e" % (Ib),True)
write2file(fdbg,"Forward I-V",True)
write2file(fdbg,"Ue\tIb\t\tIb_m\t\tUc\tUc_meas\tIc\t\tTemp",True)
ag.start_output(1) # Запускаем источник
for Uc in Uc_RANGES:
stop_measure = False
ag.source(2,"volt",Uc)
ag.start_output(2)
elif abs(Uc) <= 2:
ag.initialize(2,"v","R2V",Uc)
Ue_max = max(Ue_RANGES)
if abs(Ue_max) > 2 and abs(Ue_max) <=20:
ag.initialize(1,"v","R20V",Uc)
elif abs(Ue_max) <= 2:
ag.initialize(1,"v","R2V",Uc)
ag.initialize(1,"c","R1uA")
ag.initialize(2,"c","R1uA")
# Задаём источник постоянного напряжения
ag.source(2,"v",Uc)
write2file(fdbg,"@Uc=%.2f" % (Uc),True)
write2file(fdbg,"Forward I-V",True)
write2file(fdbg,"Ue\tUe_meas\tIb\t\tUc\tUc_meas\tIc\t\tBetta\tTemp",True)
ag.start_output(2)
for Ue in Ue_RANGES:
stop_measure = False
ag.source(1,"volt",Ue)
ag.start_output(1)
