##########################################################
''' Initializing the devices '''
# TENMA setting
rm = pyvisa.highlevel.ResourceManager(
) # Opens the resource manager and sets it to variable rm
gate_dev = rm.open_resource("ASRL5::INSTR", baud_rate=9600, data_bits=8)
gate_dev.write_termination = '\n'
gate_dev.read_termination = '\n'
gate_dev.send_end = True
gate_dev.StopBits = 1
SetRemote(gate_dev)
# initializing the ZND
VNA = RS_ZND('TCPIP::192.168.10.151::INSTR', reset=False)
# VNA.SetSweepfrequency(start_freq, stop_freq, freq_points)
# VNA.SetPower(power) #[db] minimum -30db
# VNA.SetIFBW(1e3) #Set IF bandwidth in Hz
# VNA.SetSweepTime(SweepTime)
# VNA.AutoScale()
# # VNA.write('INST:SEL "NA"') #set mode to Network Analyzer
# if measure == 'OnePort':
# VNA.SinglePort()
# elif measure == 'TwoPort':
# VNA.TwoPort()
# if averaging > 1:
# VNA.write('SENS:AVER:COUN %d' % averaging)
# # VNA.write('SENS:AVER ON')
''' Initializing the devices '''
# TENMA setting
rm = pyvisa.highlevel.ResourceManager(
) # Opens the resource manager and sets it to variable rm
gate_dev = rm.open_resource("ASRL8::INSTR", baud_rate=9600, data_bits=8)
gate_dev.write_termination = '\n'
gate_dev.read_termination = '\n'
gate_dev.send_end = True
gate_dev.StopBits = 1
print('here')
print(gate_dev.query("*IDN?"))
print('here')
# initializing the ZND
VNA = RS_ZND('TCPIP::192.168.10.151::INSTR', reset=False)
# VNA.SetSweepfrequency(start_freq, stop_freq, freq_points)
# VNA.SetPower(power) #[db] minimum -30db
# VNA.SetIFBW(1e3) #Set IF bandwidth in Hz
# VNA.SetSweepTime(SweepTime)
# VNA.AutoScale()
# # VNA.write('INST:SEL "NA"') #set mode to Network Analyzer
# if measure == 'OnePort':
# VNA.SinglePort()
# elif measure == 'TwoPort':
# VNA.TwoPort()
# if averaging > 1:
# VNA.write('SENS:AVER:COUN %d' % averaging)
# # VNA.write('SENS:AVER ON')
pygame.display.set_mode((100,100))
STOP = False
monitor_ratio = 5 #shows 1 out of "monitor_ratio" spectrums
##########################################################
''' Initializing the devices '''
# resetting the IVVI
dev = IVVI_DAC('COM4') # IVVI
dev.RampAllZero()
# initializing the ZND
ZND = RS_ZND('TCPIP::192.168.1.149::INSTR', reset=True)
ZND.ClearAll()
if measure == 'OnePort':
ZND.SinglePort()
elif measure == 'TwoPort':
ZND.TwoPort()
ZND.SetSweepfrequency(start_freq, stop_freq, freq_points)
ZND.SetIFBW(1e3) #Set IF bandwidth in Hz
ZND.SetSweepTime(SweepTime)
ZND.AutoScale()
# initializing the temperature reading
tempdev = He7Temperature(addr='192.168.1.249',verb=False)
temp = 0
'color': 'darkred',
'weight': 'normal',
'size': 16,
}
##########################################################
''' Initializing the devices '''
# Keysight setting
gate_dev = Keysight_B2901A('TCPIP::192.168.1.63::INSTR')
gate_dev.SetModeVoltage()
gate_dev.SetOutputOn()
gate_dev.SetComplianceCurrent(safe_gate_current)
# initializing the ZND
ZND = RS_ZND('TCPIP::192.168.1.149::INSTR', reset=False)
#############################################################
''' measurements '''
# generating gate pattern
pattern = gate_pattern(target_gate=target_gate,
mode='single',
data_points=gate_points,
shift_voltage=shift_voltage)
# modulating the gate voltage
count = 0 # couter of step numbers
leakage_current = 0
ramp_time = np.abs(np.floor(shift_voltage / ramp_spead))
gate_dev.RampVoltage(pattern['ramp_pattern'][0], tt=10 * ramp_time, steps=100)
measure_frequency = np.linspace(start_freq, stop_freq, freq_points)
##########################################################
''' Initializing the devices '''
# Keysight setting
gate_dev = Keysight_B2901A('TCPIP::192.168.1.63::INSTR')
gate_dev.SetModeVoltage()
gate_dev.SetComplianceCurrent(safe_gate_current)
gate_dev.SetOutputOn()
#Triton
mytriton = tritonclass()
# initializing the ZND
VNA = RS_ZND('TCPIP::192.168.1.149::INSTR', reset=False)
VNA.SetStart(start_freq * 1e9)
VNA.SetEnd(stop_freq * 1e9)
VNA.SetPoints(freq_points)
VNA.SetPower(power) #[db] minimum -30db
VNA.SetIFBW(1e3) #Set IF bandwidth in Hz
# VNA.SetSweepTime(SweepTime)
VNA.AutoScale()
# # VNA.write('INST:SEL "NA"') #set mode to Network Analyzer
# if measure == 'OnePort':
# VNA.SinglePort()
# elif measure == 'TwoPort':
# VNA.TwoPort()
'color': 'darkred',
'weight': 'normal',
'size': 16,
}
colnames = [
'Frequency (Hz)', 'S21re ()', 'S21im ()', 'S21dB (dB)', 'S21Ph (rad)',
'Power (dBm)', 'Time (s)', 'Gate Voltage (V)', 'S21 (uW)'
]
Data = stlab.newfile(prefix, '_', colnames, autoindex=True, mypath=path)
##########################################################
''' Initializing the devices '''
# initializing the ZND
VNA = RS_ZND('TCPIP::192.168.10.151::INSTR', reset=False)
VNA.SetSweepfrequency(start_freq, stop_freq, freq_points)
VNA.SetIFBW(IF_bandwidth) #Set IF bandwidth in Hz
#############################################################
''' measurements '''
# amping to the target gate
S_amp_Watt = np.array([], [])
S_phase = np.array([], [])
STOP = False
t_in = time.time()
count = 0
vmeasure = stlab.adi('TCPIP::192.168.1.105::INSTR',read_termination='\n') # with Keithley DMM6500
# vmeasure=stlab.adi("ASRL1::INSTR") #with Keithley 2000
vmeasure.write('SENS:VOLT:DC:RANG:AUTO 0')
vmeasure.write('SENS:VOLT:DC:RANGE 2')
vmeasure.write(':INIT:CONT 0')
vmeasure.write('VOLT:NPLC 1')
vmeasure.write('TRIG:SOUR IMM')
vmeasure.write(":SYST:AZER:STAT OFF")
vmeasure.write(":TRIG:COUN 1")
gate_leakage_v_I_conversion = 1e-6 # conversion factor of the measured voltage on S1h 'Current monitor' to leakage current
# initializing the ZND
ZND = RS_ZND('TCPIP::192.168.1.149::INSTR', reset=True)
ZND.TwoPort()
ZND.SetSweepfrequency(start_freq, stop_freq, freq_points)
ZND.SetPower(power) #[db] minimum -30db
ZND.SetIFBW(1e3) #Set IF bandwidth in Hz
ZND.SetSweepTime(SweepTime)
ZND.AutoScale()
# initializing the temperature reading
tempdev = He7Temperature(addr='192.168.1.249',verb=False)
temp = 0
#############################################################
''' measurements '''