def initialize(self, name, MWSource, AWG, AWGChannels, fsp):
"""
Initialize instrument, and create calibration files if needed
"""
instrumentManager=Manager()
self._name=name
self._MWSource=instrumentManager.getInstrument(MWSource)
self._fsp=instrumentManager.getInstrument(fsp)
self._AWG=instrumentManager.getInstrument(AWG)
self._params=dict()
self._params["MWSource"]=MWSource
self._params["AWG"]=AWG
self._params["AWGChannels"]=AWGChannels
self._params["fsp"]=fsp
self._calibration=IqOptimization(fsp=self._fsp, awg=self._AWG, mwg=self._MWSource, channels=self._params["AWGChannels"])
try:
self._calibration._sidebandCalibrationData=Datacube()
self._calibration._sidebandCalibrationData.loadtxt(register.parameters()["%s IQCal" % self._name], loadChildren=True)
self._calibration._offsetCalibrationData=Datacube()
self._calibration._offsetCalibrationData.loadtxt(register["%s OffsetCal" % self._name], loadChildren=True)
self._calibration.updateOffsetCalibrationInterpolation()
except:
print "No calibration data found for mixer %s" % self._name
try:
print "creating new one..."
self.reInitCalibration()
print "creation succesful, continue"
except:
print "creation failed"
raise
class Instr(Instrument):
def calibrate(self, f_sb=0.1,offsetOnly=False):
"""
Calibrate a mixer IQ using fsp
"""
print 'calibration in progress'
if offsetOnly:
register["%s OffsetCal" % self._name] =self._calibration.calibrateIQOffset()
else:
register["%s IQCal" % self._name] =self._calibration.calibrateSidebandMixing(sidebandRange=[f_sb])
print 'calibration ended'
def calibrateOffset(self):
self.calibrate(offsetOnly=True)
def reInitCalibration(self):
"""
Re-create calibration file and store filenames in the register
"""
(register["%s OffsetCal" % self._name],register["%s IQCal" % self._name])=self._calibration.initCalibrationData()
def calibrationParameters(self, f_c, f_sb):
"""
Return calibration parameters for sideband pulse f_sb, with carrier at frequency f_c
"""
return self._calibration.calibrationParameters(f_c=f_c, f_sb=f_sb)
def parameters(self):
"""
Returns IQ mixer parameters
"""
return self._params
def initialize(self, name, MWSource, AWG, AWGChannels, fsp):
"""
Initialize instrument, and create calibration files if needed
"""
instrumentManager=Manager()
self._name=name
self._MWSource=instrumentManager.getInstrument(MWSource)
self._fsp=instrumentManager.getInstrument(fsp)
self._AWG=instrumentManager.getInstrument(AWG)
self._params=dict()
self._params["MWSource"]=MWSource
self._params["AWG"]=AWG
self._params["AWGChannels"]=AWGChannels
self._params["fsp"]=fsp
self._calibration=IqOptimization(fsp=self._fsp, awg=self._AWG, mwg=self._MWSource, channels=self._params["AWGChannels"])
try:
self._calibration._sidebandCalibrationData=Datacube()
self._calibration._sidebandCalibrationData.loadtxt(register.parameters()["%s IQCal" % self._name], loadChildren=True)
self._calibration._offsetCalibrationData=Datacube()
self._calibration._offsetCalibrationData.loadtxt(register["%s OffsetCal" % self._name], loadChildren=True)
self._calibration.updateOffsetCalibrationInterpolation()
except:
print "No calibration data found for mixer %s" % self._name
try:
print "creating new one..."
self.reInitCalibration()
print "creation succesful, continue"
except:
print "creation failed"
raise
