QDAC-II arbitrary-waveform generatorΒΆ

[1]:

from time import sleep
from IPython.display import Image, display
import numpy
from qcodes_contrib_drivers.drivers.QDevil import QDAC2
qdac_addr = '192.168.8.17'
qdac = QDAC2.QDac2('QDAC', visalib='@py', address=f'TCPIP::{qdac_addr}::5025::SOCKET')
from qcodes.instrument_drivers.rigol import RigolDS1074Z

rigol_addr = '192.168.8.199'
scope = RigolDS1074Z('rigol', visalib='@py', address=f'TCPIP::{rigol_addr}::INSTR')

Connected to: QDevil QDAC-II (serial:3, firmware:10-1.4) in 0.21s
Connected to: RIGOL TECHNOLOGIES DS1104Z (serial:DS1ZA171812151, firmware:00.04.03) in 0.21s

[2]:

def capture():
    scope.write('stop')
    scope.write(":disp:data?")
    bmpdata = scope.visa_handle.read_raw()[2+9:]
    image = Image(data=bmpdata)
    display(image)

[4]:

scope.write('*rst')
qdac.reset()

[5]:

# Connect scope ch 3 to qdac ch 3
scope.write('chan1:disp off')
scope.write('chan3:disp on')
scope.write('chan3:bwl on')
scope.write('chan3:prob 1')
scope.write('chan3:scal 0.2')
scope.write('chan3:offs -0.2')
scope.write('trig:edge:sour chan3')
scope.write('trig:edge:level 0.1')
scope.write('tim:scal 2e-6')
scope.write('tim:offs 5e-6')

[6]:

qdac.remove_traces()
values = [0, 1, 0, 0.5, -0.5, 1, -0.8, 0.3, -0.7, 0]
trace = qdac.allocate_trace('my_trace', len(values))
trace.waveform(values)
awg = qdac.ch03.arbitrary_wave(trace.name)
qdac.errors()

[6]:

'0, "No error"'

[7]:

scope.write('sing')
sleep(2)
awg.start()
qdac.errors()

[7]:

'0, "No error"'

[8]:

capture()
../../../_images/examples_QDevil_QDAC2_AWG_7_0.png 
[9]:

awg = qdac.ch03.arbitrary_wave(
    trace.name,
    repetitions=-1,
    scale=2,
    offset_V=-0.5
)
qdac.errors()

[9]:

'0, "No error"'

[10]:

scope.write('chan3:scal 0.25')
scope.write('chan3:offs 0.3')
scope.write('tim:scal 5e-6')
scope.write('tim:offs 0')
scope.write('trig:edge:level 0')
scope.write('run')

[11]:

awg.start()

[13]:

capture()
../../../_images/examples_QDevil_QDAC2_AWG_11_0.png 
[12]:

scope.write('run')
sleep(2)
awg.abort()

[13]:

trigger = awg.period_end_marker()
qdac.ext4.width_s(2e-6)
qdac.ext4.polarity('norm')
qdac.ext4.source_from_trigger(trigger)
# Connect osc ch 4 to qdac out trigger 4
scope.write('chan4:disp on')
scope.write('chan4:bwl on')
scope.write('chan4:prob 1')
scope.write('chan4:scal 1')
scope.write('chan4:offs -2')
scope.write('tim:scal 2e-6')
scope.write('tim:offs 10e-6')
qdac.errors()

[13]:

'0, "No error"'

[15]:

scope.write('sing')
sleep(3)
awg.start()

[20]:

capture()
../../../_images/examples_QDevil_QDAC2_AWG_15_0.png 
[16]:

points = 4 * 1024 * 1024
trace = qdac.allocate_trace('long_trace', points)
qdac.errors()

[16]:

'0, "No error"'

[17]:

values = numpy.sin(numpy.linspace(-1000*numpy.pi, 1000*numpy.pi, points, endpoint=False))
trace.waveform(values)
qdac.errors()

[17]:

'0, "No error"'

[21]:

# Connect scope ch 2 to qdac ch 2
scope.write('chan2:disp on')
scope.write('chan2:bwl on')
scope.write('chan2:prob 1')
scope.write('chan2:scal 0.5')
scope.write('chan2:offs 0')

scope.write('chan3:scal 0.5')
scope.write('chan3:offs 0')

scope.write('chan4:disp off')

scope.write('tim:scal 2e-3')
scope.write('tim:offs 0')
scope.write('trig:edge:level 0')

scope.write('run')

[22]:

awg = qdac.ch03.arbitrary_wave(trace.name, repetitions=-1, scale=1.5)
awg2 = qdac.ch02.arbitrary_wave(trace.name, repetitions=-1, scale=-0.5)
qdac.errors()

[22]:

'0, "No error"'

[23]:

scope.write('run')
qdac.start_all()
qdac.errors()

[23]:

'0, "No error"'

[29]:

capture()
../../../_images/examples_QDevil_QDAC2_AWG_21_0.png