def __init__(self, address):
self.logger = logging.getLogger()
self.logger.setLevel(logging.WARNING)
Instrument.__init__(self, "", tags=['physical'])
self._address = address
rm = visa.ResourceManager()
self._visainstrument = rm.open_resource(self._address)
self.add_parameter('averages',
type=int,
flags=Instrument.FLAG_GETSET,
minval=1,
maxval=65536)
self.add_parameter('nop',
type=int,
flags=Instrument.FLAG_GETSET,
minval=2,
maxval=65536)
self._visainstrument.write(":WAV:FORMat WORD")
self._vsteps = 65536 # the discretization for the WORD format
self._visainstrument.write(":WAV:UNSIGNED 0")
self._visainstrument.write(":TIMebase:REFerence LEFT")
Channel.ALL = [Channel.ONE, Channel.TWO, Channel.THREE, Channel.FOUR]
self.set_offset(0, *Channel.ALL)
def __init__(self, address):
self.logger = logging.getLogger()
self.logger.setLevel(logging.WARNING)
Instrument.__init__(self, "", tags=['physical'])
self._address = address
rm = visa.ResourceManager()
self._visainstrument = rm.open_resource(
self._address) # no term_chars for GPIB!!!!!
self.set_output_state("ON")
self.add_parameter('nop',
type=int,
flags=Instrument.FLAG_GETSET,
minval=1,
maxval=10**6,
tags=['sweep'])
# external triggering parameters
self.add_parameter('ext_trig_channel',
type=bytes,
flags=Instrument.FLAG_GETSET)
self.add_parameter('InSweep_trg_src',
type=bytes,
flags=Instrument.FLAG_GETSET)
self.add_parameter('sweep_trg_src',
type=bytes,
flags=Instrument.FLAG_GETSET)
def __init__(self, address, reset=False, clock=1e9, nop=1000, marker_enob=10):
'''
Initializes the AWG520.
Input:
name (string) : name of the instrument
address (string) : GPIB address
reset (bool) : resets to default values, default=false
nop (int) : sets the number of datapoints
Output:
None
'''
logging.debug(__name__ + ' : Initializing instrument')
Instrument.__init__(self, "Tektronix_AWG5014", tags=['physical'])
self._address = address
self._visainstrument = visa.ResourceManager()\
.open_resource(self._address, read_termination="\r\n",
write_termination="\n")
self._values = {}
self._values['files'] = {}
self._clock = clock
self._nop = nop
self._waveforms = [None]*4
self._amplitudes = [None]*4
self._markers = [None]*8
self._clear_all_waveforms()
self._marker_enob = marker_enob
self._marker_voltages = [{} for _ in range(8)]
for i in range(1, 9):
self.get_marker_voltages(i)
for i in range(1,5):
self.get_amplitude(i)
def __init__(self, address):
'''Create a default Keysight AWG instrument'''
Instrument.__init__(self, 'AWG', tags=['physical'])
self._address = address
rm = visa.ResourceManager()
self._visainstrument = rm.open_resource(self._address)
self._visainstrument.write(":DIG:TRAN:INT 1")
self.add_parameter('outp1',
flags = Instrument.FLAG_GETSET, units = '', type = int)
self.add_parameter('outp2',
flags = Instrument.FLAG_GETSET, units = '', type = int)
self.add_parameter('outp1_compl',
flags = Instrument.FLAG_GETSET, units = '', type = int)
self.add_parameter('outp2_compl',
flags = Instrument.FLAG_GETSET, units = '', type = int)
self.add_parameter('2nd_delay',
flags = Instrument.FLAG_GETSET, units = '', type = float)
self.add_parameter('1st_delay',
flags = Instrument.FLAG_GETSET, units = '', type = float)
self.add_parameter('2nd_width',
flags = Instrument.FLAG_GETSET, units = '', type = float)
self.add_parameter('1st_width',
flags = Instrument.FLAG_GETSET, units = '', type = float)
self.add_function("apply_waveform")
def __init__(self, address, volt_compliance = 3, current_compliance = .001):
"""Create a default Yokogawa_GS210 object as a current source"""
Instrument.__init__(self, 'Yokogawa_GS210', tags=['physical'])
self._address = address
rm = visa.ResourceManager()
self._visainstrument = rm.open_resource(self._address)
current_range = (-200e-3, 200e-3)
voltage_range = (-32, 32)
self._mincurrent = -10e-3
self._maxcurrent = 10e-3
self._minvoltage = -1e-6
self._maxvoltage = 1e-6
self.add_parameter('current', flags = Instrument.FLAG_GETSET,
units = 'A', type = float, minval = current_range[0], maxval = current_range[1])
self.add_parameter('current_compliance', flags = Instrument.FLAG_GETSET,
units = 'V', type = float, minval = current_range[0], maxval = current_range[1])
self.add_parameter('voltage', flags = Instrument.FLAG_GETSET,
units = 'V', type = float, minval = voltage_range[0], maxval = voltage_range[1])
self.add_parameter('voltage_compliance', flags = Instrument.FLAG_GETSET,
units = 'V', type = float, minval = voltage_range[0], maxval = voltage_range[1])
self.add_parameter('status',
flags = Instrument.FLAG_GETSET, units = '', type = int)
self.add_parameter('range',
flags = Instrument.FLAG_GETSET, units = '', type = float)
self.add_function("get_id")
self.add_function("clear")
self.add_function("set_src_mode_volt")
self._visainstrument.write(":SOUR:FUNC CURR")
self.set_voltage_compliance(volt_compliance)
self.set_current(0)
self.set_status(1)
def __init__(self, address, channel_index = 1):
'''
Initializes
Input:
name (string) : name of the instrument
address (string) : GPIB address
'''
self.logger = logging.getLogger()
self.logger.setLevel(logging.WARNING)
Instrument.__init__(self, "", tags=['physical'])
self._address = address
rm = visa.ResourceManager()
self._visainstrument = rm.open_resource(self._address)# no term_chars for GPIB!!!!!
self._zerospan = False
self._freqpoints = 0
self._ci = channel_index
self._start = 0
self._stop = 0
self._nop = 0
# Implement parameters
self.add_parameter('nop', type=int,
flags=Instrument.FLAG_GETSET,
minval=1, maxval=100000,
tags=['sweep'])
self.add_parameter('bandwidth', type=float,
flags=Instrument.FLAG_GETSET,
minval=0, maxval=1e9,
units='Hz', tags=['sweep'])
self.add_parameter('averages', type=int,
flags=Instrument.FLAG_GETSET,
minval=1, maxval=1024, tags=['sweep'])
self.add_parameter('average', type=bool,
flags=Instrument.FLAG_GETSET)
self.add_parameter('centerfreq', type=float,
flags=Instrument.FLAG_GETSET,
minval=0, maxval=20e9,
units='Hz', tags=['sweep'])
self.add_parameter('center', type=float,
flags=Instrument.FLAG_GETSET,
minval=0, maxval=20e9,
units='Hz', tags=['sweep'])
self.add_parameter('startfreq', type=float,
flags=Instrument.FLAG_GETSET,
minval=0, maxval=20e9,
units='Hz', tags=['sweep'])
self.add_parameter('stopfreq', type=float,
flags=Instrument.FLAG_GETSET,
minval=0, maxval=20e9,
units='Hz', tags=['sweep'])
self.add_parameter('CWfreq', type=float,
flags=Instrument.FLAG_GETSET,
minval=300e3, maxval=20e9,
units='Hz', tags=['sweep'])
self.add_parameter('span', type=float,
flags=Instrument.FLAG_GETSET,
minval=0, maxval=20e9,
units='Hz', tags=['sweep'])
self.add_parameter('power', type=float,
flags=Instrument.FLAG_GETSET,
minval=-90, maxval=12,
units='dBm', tags=['sweep'])
self.add_parameter('zerospan', type=bool,
flags=Instrument.FLAG_GETSET)
self.add_parameter('channel_index', type=int,
flags=Instrument.FLAG_GETSET)
#Triggering Stuff
self.add_parameter('trigger_source', type=bytes,
flags=Instrument.FLAG_GETSET)
# sets the S21 setting in the PNA X
self.define_S21() # this two lines is uncommented by Shamil 06/26/2017 due to the fact that
self.set_S21() # by using high level measurement child classes it is not possible to continue proper operation
# of PNA-L after self._visaintrument.write( "SYST:FPReset" ) command, it seem like without this
# lines of code there is no trace selected after self.select_default_trace()
# and self.get_all seem do interrupt the program with timeout exception thrown by low-level visa
# GPIB drivers. The reason is that PNA-L doesn't have any number of points in sweep (get_all start
# by quering number of points in current sweep), because there is no traces defined, hence there
# is no number of points available to read
self.select_default_trace()
# Implement functions
self.add_function('get_frequencies')
self.add_function("get_freqpoints")
self.add_function('get_tracedata')
self.add_function('get_sdata')
self.add_function('init')
self.add_function('set_S21')
self.add_function('set_xlim')
self.add_function('get_xlim')
self.add_function('get_sweep_time')
self.add_function('sweep_single')
self.add_function("prepare_for_stb")
self.add_function('wait_for_stb')
self.add_function('set_electrical_delay')
self.add_function('get_electrical_delay')
self.add_function('sweep_hold')
self.add_function('sweep_continuous')
self.add_function('autoscale_all')
#self.add_function('avg_clear')
#self.add_function('avg_status')
#self._oldspan = self.get_span()
#self._oldnop = self.get_nop()
#if self._oldspan==0.002:
# self.set_zerospan(True)
self.get_all()
def __init__(self, address, channel_index=1):
"""
Initializes
Input:
address (string) : VISA address
"""
Instrument.__init__(self, "EXA", tags=['physical'])
self._address = address
rm = visa.ResourceManager()
self._visainstrument = rm.open_resource(
self._address, timeout=10000) # no term_chars for GPIB!!!!!
self._freqpoints = 0
self._zerospan = False
self._list_sweep = False
self._ci = channel_index
self._start = 0
self._stop = 0
self._nop = 0
self._visainstrument.timeout = 1000
# Implement parameters
self.add_parameter('nop',
type=int,
flags=Instrument.FLAG_GETSET,
minval=1,
maxval=100000,
tags=['sweep'])
self.add_parameter('bandwidth',
type=float,
flags=Instrument.FLAG_GETSET,
minval=1,
maxval=1e9,
units='Hz',
tags=['sweep'])
self.add_parameter('averages',
type=int,
flags=Instrument.FLAG_GETSET,
minval=1,
maxval=1024,
tags=['sweep'])
self.add_parameter('average', type=bool, flags=Instrument.FLAG_GETSET)
self.add_parameter('centerfreq',
type=float,
flags=Instrument.FLAG_GETSET,
minval=0,
maxval=20e9,
units='Hz',
tags=['sweep'])
self.add_parameter('startfreq',
type=float,
flags=Instrument.FLAG_GETSET,
minval=0,
maxval=20e9,
units='Hz',
tags=['sweep'])
self.add_parameter('stopfreq',
type=float,
flags=Instrument.FLAG_GETSET,
minval=0,
maxval=20e9,
units='Hz',
tags=['sweep'])
self.add_parameter('span',
type=float,
flags=Instrument.FLAG_GETSET,
minval=0,
maxval=20e9,
units='Hz',
tags=['sweep'])
self.add_parameter('zerospan', type=bool, flags=Instrument.FLAG_GETSET)
self.add_parameter('channel_index',
type=int,
flags=Instrument.FLAG_GETSET)
#Triggering Stuff
self.add_parameter('trigger_source',
type=bytes,
flags=Instrument.FLAG_GETSET)
# sets the S21 setting in the PNA X
# Implement functions
self.add_function('get_freqpoints')
self.add_function('get_tracedata')
self.add_function('init')
self.add_function('set_xlim')
self.add_function('get_xlim')
self.add_function('get_sweep_time')
self.add_function('sweep_single')
self.add_function("prepare_for_stb")
self.add_function('wait_for_stb')
self.add_function('set_electrical_delay')
self.add_function("setup_list_sweep")
self.add_function("set_parameters")
#self.add_function('avg_clear')
#self.add_function('avg_status')
#self._oldspan = self.get_span()
#self._oldnop = self.get_nop()
#if self._oldspan==0.002:
# self.set_zerospan(True)
self.get_all()