def generate_sequence(do_program=True):
# FIXME in principle we only want to create that once, at startup
try:
del qt.pulsar
except:
pass
qt.pulsar = pulsar.Pulsar()
qt.pulsar.AWG_sequence_cfg = {
'SAMPLING_RATE': 1e9,
'CLOCK_SOURCE': 1, # Internal | External
'REFERENCE_SOURCE': 2, # Internal | External
'EXTERNAL_REFERENCE_TYPE': 1, # Fixed | Variable
'REFERENCE_CLOCK_FREQUENCY_SELECTION': 1, #10 MHz | 20 MHz | 100 MHz
'TRIGGER_SOURCE': 1, # External | Internal
'TRIGGER_INPUT_IMPEDANCE': 1, # 50 ohm | 1 kohm
'TRIGGER_INPUT_SLOPE': 1, # Positive | Negative
'TRIGGER_INPUT_POLARITY': 1, # Positive | Negative
'TRIGGER_INPUT_THRESHOLD': 1.4, # V
'EVENT_INPUT_IMPEDANCE': 2, # 50 ohm | 1 kohm
'EVENT_INPUT_POLARITY': 1, # Positive | Negative
'EVENT_INPUT_THRESHOLD': 1.4, #V
'JUMP_TIMING': 1, # Sync | Async
'RUN_MODE': 4, # Continuous | Triggered | Gated | Sequence
'RUN_STATE': 0, # On | Off
}
qt.pulsar.define_channel(id='ch2',
name='gate',
type='analog',
high=4.0,
low=0,
offset=0.,
delay=0.,
active=True)
qt.pulsar.define_channel(id='ch2_marker1',
name='clock',
type='marker',
high=1.0,
low=0,
offset=0.,
delay=0.,
active=True)
pulse_length = 2e-9
gate = pulse.SquarePulse(channel='gate')
clock_up = pulse.SquarePulse(channel='clock',
amplitude=4.0,
lenght=pulse_length)
clock_down = pulse.SquarePulse(channel='clock',
amplitude=0,
lenght=pulse_length)
elt1 = element.Element('trigger', pulsar=qt.pulsar)
elt1.append(pulse.cp(clock_down, amplitude=0, length=5e-9))
for i in arange(500):
elt1.append(pulse.cp(clock_up, amplitude=4.0, length=pulse_length))
elt1.append(pulse.cp(clock_down, amplitude=0, length=pulse_length))
elt1.append(pulse.cp(clock_down, amplitude=0, length=1000e-9))
elt1.add(pulse.cp(gate, amplitude=4.0, length=200 * pulse_length))
for i in arange(2):
elt1.append(pulse.cp(clock_up, amplitude=4.0, length=pulse_length))
elt1.append(pulse.cp(clock_down, amplitude=0, length=pulse_length))
#pprint.pprint (elt1.pulses)
seq = pulsar.Sequence('FPGA_test')
seq.append(name='trigger',
wfname=elt1.name,
trigger_wait=False,
repetitions=100)
#pprint.pprint (seq.elements)
qt.pulsar.upload(elt1)
qt.pulsar.program_sequence(seq)
import qt
from measurement.lib.pulsar import pulsar
reload(pulsar)
pulsar.Pulsar.AWG = qt.instruments['AWG']
# FIXME in principle we only want to create that once, at startup
try:
del qt.pulsar
except:
pass
qt.pulsar = pulsar.Pulsar()
### channels
# RF
#RF channel is needed for the AOM for the short pulses
#qt.pulsar.define_channel(id='ch1', name='RF', type='analog', high=1.5,
# low=-1.5, offset=0., delay=165e-9, active=True)
# MW
# On scope we find that MW_1 (and MW2) arrive 108 ns after the trigger, if we set the time between MW's and (begin)trigger to 58 ns in the AWG.
# so the delay of MW wrt trigger is 50 ns - Machiel 2014-06-23
'''
spin_of = -104e-9-27e-9 # I adjust the offset of the IQ to match lt2, so the DD scripts work
# TODO make more general
'''
qt.pulsar.define_channel(id='ch1_marker1',
name='MW_pulsemod',
type='marker',
high=2.0,
2 : 10/5000.}
positioner_lt1 = qt.instruments.create('positioner_lt1', 'NewportAgilisUC2_v2',
address = 'COM6', maxjog_cfg=pos_maxjog_cfg_lt1, maxpr_cfg=pos_maxpr_cfg_lt1,
step_deg_cfg=pos_step_deg_cfg_lt1 )
rejecter_lt1 = qt.instruments.create('rejecter_lt1', 'laser_reject0r', positioner=positioner_lt1,
adwin=adwin_lt1, red_laser= MatisseAOM_lt1)
#### make a remote pulsar and configure it
from measurement.lib.pulsar import pulse, pulselib, element, pulsar
try:
del qt.pulsar_remote
except:
pass
qt.pulsar_remote = pulsar.Pulsar()
qt.pulsar_remote.AWG = qt.instruments['AWG_lt1']
### channels
# for the remote LDE setup. effectively this is the relative delay between SP AOM and MWs.
spin_of = -69e-9
# RF
qt.pulsar_remote.define_channel(id='ch1', name='RF', type='analog', high=1.0,
low=-1.0, offset=0., delay=spin_of+165e-9, active=True)
# MW
qt.pulsar_remote.define_channel(id='ch1_marker1', name='MW_pulsemod', type='marker',
high=2.0, low=0, offset=0., delay=spin_of+(44+165)*1e-9, active=True)
qt.pulsar_remote.define_channel(id='ch3', name='MW_Imod', type='analog', high=0.9,