def measure_LNA_spurius(SMB_LO, SMB_RF, FSV, VSCD,
synthetizer_LO_state=synthetizer_LO_state,
synthetizer_LO_frequency=synthetizer_LO_frequency,
synthetizer_LO_level=synthetizer_LO_level, # dBm
synthetizer_RF_state=synthetizer_RF_state,
synthetizer_RF_frequency=synthetizer_RF_frequency,
synthetizer_RF_level=synthetizer_RF_level, # dBm
downconverter_state=vscd_state,
downconverter_frequency=vscd_frequency,
downconverter_level=vscd_level, # dBm
spectrum_analyzer_state=spectrum_analyzer_state,
spectrum_analyzer_sweep_points=spectrum_analyzer_sweep_points,
spectrum_analyzer_resolution_bandwidth=spectrum_analyzer_resolution_bandwidth,
spectrum_analyzer_resolution_bandwidth_unit=spectrum_analyzer_resolution_bandwidth_unit,
spectrum_analyzer_video_bandwidth=spectrum_analyzer_video_bandwidth,
spectrum_analyzer_video_bandwidth_unit=spectrum_analyzer_video_bandwidth_unit,
spectrum_analyzer_frequency_span=spectrum_analyzer_frequency_span,
spectrum_analyzer_frequency_span_unit=spectrum_analyzer_frequency_span_unit,
# spectrum_analyzer_attenuation = spectrum_analyzer_attenuation,
gainAmplifier=gainAmplifier, # dB
spectrum_analyzer_IF_atten_enable=spectrum_analyzer_IF_atten_enable,
spectrum_analyzer_IF_atten=spectrum_analyzer_IF_atten,
spectrum_analyzer_IF_relative_level=spectrum_analyzer_IF_relative_level_enable,
spectrum_analyzer_IF_relative_level_enable=spectrum_analyzer_IF_relative_level_enable,
threshold_power=0, # dB
spectrum_analyzer_frequency_marker_unit=spectrum_analyzer_frequency_marker_unit,
FSV_delay=FSV_delay,
m_RF=m_RF,
n_LO=n_LO,
IF_low=IF_low,
IF_low_unit=IF_low_unit,
IF_high=IF_high,
IF_high_unit=IF_high_unit,
spurius_IF_unit=spurius_IF_unit,
calibration_file_LO=calibration_file_LO,
calibration_file_LO_enable=calibration_file_LO_enable,
calibration_file_RF=calibration_file_RF,
calibration_file_RF_enable=calibration_file_RF_enable,
calibration_file_IF=calibration_file_IF,
calibration_file_IF_enable=calibration_file_IF_enable,
result_file_name=result_file_name,
createprogressdialog=False):
#dialog = createprogressdialog
if createprogressdialog:
import wx
app = wx.App()
dialog = wx.ProgressDialog("Progress", "Time remaining", maximum = 100,
style=wx.PD_CAN_ABORT | wx.PD_ELAPSED_TIME | wx.PD_REMAINING_TIME | wx.PD_AUTO_HIDE)
values = [] # variable for results
# reset the synthetizer SMB100A
SMB_LO.write("*rst")
SMB_RF.write("*rst")
# reset spectrum analyzer
# imposta la modalit� di funzionamento dei due SMB
SMB_LO.write("FREQ:MODE FIX")
SMB_LO.write("POW:MODE FIX")
SMB_RF.write("FREQ:MODE FIX")
SMB_RF.write("POW:MODE FIX")
FSV_reset_setup(FSV, spectrum_analyzer_sweep_points,
spectrum_analyzer_resolution_bandwidth,
spectrum_analyzer_resolution_bandwidth_unit,
spectrum_analyzer_video_bandwidth,
spectrum_analyzer_video_bandwidth_unit,
spectrum_analyzer_frequency_span,
spectrum_analyzer_frequency_span_unit,
spectrum_analyzer_IF_atten_enable,
spectrum_analyzer_IF_atten,
spectrum_analyzer_IF_relative_level_enable,
spectrum_analyzer_IF_relative_level)
FSV.write("CALC:MARKER ON") # enable marker mode
# load data for cables from calibration files
if calibration_file_LO_enable:
calibration_LO = readcalibrationfile(calibration_file_LO)
calibration_function_LO, calibration_function_LO_unit = calibrationfilefunction(calibration_LO)
else:
calibration_LO = []
calibration_function_LO = None
calibration_function_LO_unit = unit.Hz
if calibration_file_IF_enable:
calibration_IF = readcalibrationfile(calibration_file_IF)
calibration_function_IF, calibration_function_IF_unit = calibrationfilefunction(calibration_IF)
else:
calibration_IF = []
calibration_function_IF = None
calibration_function_IF_unit = unit.Hz
if calibration_file_RF_enable:
calibration_RF = readcalibrationfile(calibration_file_RF)
calibration_function_RF, calibration_function_RF_unit = calibrationfilefunction(calibration_RF)
else:
calibration_RF = []
calibration_function_RF = None
calibration_function_RF_unit = unit.Hz
totale_values = []
if not synthetizer_LO_state:
# set default parameter to skeep syntetizer loop
synthetizer_LO_frequency = Frequency_Range(3000, 3000, 50, unit.MHz) # same value of min for fixed value
synthetizer_LO_frequency.to_base()
synthetizer_LO_level = Generic_Range(-10, -10, 0.5) # same value of min for fixed value
if (not synthetizer_RF_state) or (m_RF.min == 0 and m_RF.max == 0 and m_RF.step == 1):
# set default parameter to skeep syntetizer loop
# By this mode is possibile calculate harmonic for LO frequency LO power
synthetizer_RF_frequency = Frequency_Range(3000, 3000, 50, unit.MHz) # same value of min for fixed value
synthetizer_RF_frequency.to_base()
synthetizer_RF_level = Generic_Range(-10, -10, 0.5) # same value of min for fixed value
m_step_RF = 0
p = unicode("_".join(["PartialResults", return_now_postfix()]))
partial_file_path = os.path.join(result_file_name, p)
if not os.path.exists(partial_file_path):
try:
os.makedirs(partial_file_path)
except:
print("Error creating " + partial_file_path)
return 0
frequency_LO_range = synthetizer_LO_frequency.return_range()
level_LO_range = synthetizer_LO_level.return_arange()
level_RF_range = synthetizer_RF_level.return_arange()
frequency_RF_range = synthetizer_RF_frequency.return_range()
IF_high = unit.convertion_to_base(IF_high, IF_high_unit)
IF_low = unit.convertion_to_base(IF_low, IF_low_unit)
maxcount = float(len(frequency_LO_range) * len(level_LO_range) * len(level_RF_range) * len(frequency_RF_range))
count = 0
continue_progress = (True, True)
for f_LO in frequency_LO_range: # frequency loop
# set SMB100A frequency for LO
f_LO_value = str(f_LO)
current_lo_frequency = f_LO_value + unit.return_unit_str(unit.Hz)
current_lo_frequency_human_readable = unit.return_human_readable_str(f_LO)
command = "FREQ " + current_lo_frequency # Ex. FREQ 500kHz
if synthetizer_LO_state:
SMB_LO.write(command)
for l_LO in level_LO_range: # power level loop
# set SMB100A level for LO
# calculate calibrated value of level for LO
current_LO_level, calibration_LO_result = calibrate(l_LO, f_LO, unit.Hz, calibration_LO,
calibration_function=calibration_function_LO,
calibration_function_unit=calibration_function_LO_unit)
if threshold_power is not None:
if current_LO_level > threshold_power:
# Power over the limit
count += 1
continue
command = "POW " + str(current_LO_level)
if synthetizer_LO_state:
SMB_LO.write(command)
# turn on LO
SMB_LO.write("OUTP ON")
for l_RF in level_RF_range: # power level loop
for f_RF in frequency_RF_range: # frequency loop
values = []
# calculate calibrated value of level for RF
current_RF_level, calibration_RF_result = calibrate(l_RF, f_RF, unit.Hz, calibration_RF,
calibration_function=calibration_function_RF,
calibration_function_unit=calibration_function_RF_unit)
if threshold_power is not None:
if current_RF_level > threshold_power:
# Power over the limit
count += 1
continue
command = "POW " + str(current_RF_level)
if synthetizer_RF_state:
SMB_RF.write(command) # set level for RF
# set SMB100A frequency for RF
f_RF_value = str(f_RF)
current_rf_frequency = f_RF_value + unit.return_unit_str(unit.Hz)
current_rf_frequency_human_readable = unit.return_human_readable_str(f_RF)
command = "FREQ " + current_rf_frequency # Ex. FREQ 500kHz
if synthetizer_RF_state:
SMB_RF.write(command)
# Set the downconverter frequency and attenuation
if downconverter_state:
VSCD.set_freq(f_RF_value)
VSCD.set_rf_on()
# calculate spurius frequency
spurius_tmp = return_spurius_list(f_LO, f_RF, n_LO, m_RF, IF_low, IF_high)
if synthetizer_RF_state:
# turn on RF
SMB_RF.write("OUTP ON")
spurius_markers = readFSV_marker_spurius(FSV,
FSV_delay,
spurius_tmp,
unit.Hz,
calibration_IF,
calibration_IF_function=calibration_function_IF,
calibration_IF_function_unit=calibration_function_IF_unit)
count += 1
# if not createprogressdialog is None:
# import wx
# wx.MicroSleep(500)
# message = "LO {lo_freq} {lo_pow}dB - RF {rf_freq} {rf_pow}dB".format(
# lo_freq=current_lo_frequency_human_readable, lo_pow=str(current_LO_level),
# rf_freq=current_rf_frequency_human_readable, rf_pow=str(current_RF_level))
# newvalue = min([int(count / maxcount * 100), 100])
# if newvalue == 100:
# createprogressdialog = False
# dialog.Update(newvalue, message)
# wx.MicroSleep(500)
# dialog.Close()
# else:
# continue_progress = dialog.Update(newvalue, message)
# load value for each spurius frequency
for s in spurius_markers:
# value = [LO frequency, unit, LO level, CAL/NOCAL, RF frequency, unit, RF level, CAL/NOCAL, Spurius Frequency, Spurius level]
# values.append([f_LO_value, unit.return_unit_str(synthetizer_LO_frequency_unit), str(current_LO_level), calibration_LO_result, f_RF_value, unit.return_unit_str(synthetizer_RF_frequency_unit), str(current_RF_level), calibration_RF_result] + s)
values.append(
[f_LO_value, unit.return_unit_str(unit.Hz), str(l_LO), calibration_LO_result, f_RF_value,
unit.return_unit_str(unit.Hz), str(l_RF), calibration_RF_result] + s)
totale_values.append(values[-1])
print(totale_values[-1])
# build filename - result_file_name_LOfrequency_unit_LOlevel_CAL/NOCAL_RFfrequency_unit_RFlevel_CAL/NOCAL_datetime
if len(spurius_markers) > 0:
spurius_filename = os.path.join(partial_file_path, "_".join(["R"] + values[0][0:-2]))
save_spurius(spurius_filename, values)
# if not continue_progress[0]:
# dialog.Destroy()
# break
# if f_LO == frequency_LO_range[-1] and l_LO == level_LO_range[-1] and l_RF == level_RF_range[
# -1] and f_RF == frequency_RF_range[-1]:
# # safety turn Off
# # dialog.Update(100, "Measure completed)
# dialog.Destroy()
# # SMB_LO.write("OUTP OFF")
# # SMB_RF.write("OUTP OFF")
if not continue_progress[0]:
break
if not continue_progress[0]:
break
if not continue_progress[0]:
break
# turn off LO and RF
if downconverter_state:
VSCD.set_rf_off()
if synthetizer_LO_state:
SMB_LO.write("OUTP OFF")
if synthetizer_RF_state:
SMB_RF.write("OUTP OFF")
if m_RF.step == 0:
harmonic_filename = result_file_name + "_TOTAL_HARMONIC_" + return_now_postfix()
save_harmonic(harmonic_filename, totale_values)
spurius_filename = result_file_name + "_TOTAL_" + return_now_postfix()
save_spurius(spurius_filename, totale_values)
else:
spurius_filename = result_file_name + "_TOTAL_" + return_now_postfix()
save_spurius(spurius_filename, totale_values)
print("Misure completed\n")
return spurius_filename
def ask(self, command):
return ["1.1"]
SAB = SAB_class()
SAB_delay = 0
else:
SAB_delay = 1
synthetizer_state = "ON"
# synthetizer_frequency_min = 5000
# synthetizer_frequency_max = 6000
# synthetizer_frequency_step = 100
# synthetizer_frequency_unit = unit.MHz
synthetizer_frequency = Frequency_Range(5000, 6000, 100, unit.MHz)
synthetizer_frequency.to_base()
synthetizer_fix_power = 0 # dBm
synthetizer_level = Generic_Range(0, 10, 1)
# synthetizer_level_max = 10 #dBm
# synthetizer_level_step = 1 #dBm
power_meter_make_zero = True
power_meter_make_zero_delay = 1 # seconds
power_meter_misure_number = 1
power_meter_misure_delay = 1000 # milliseconds
SAB_state = "ON"
SAB_attenuation_level = Generic_Range(0, 5, 1)
# SAB_attenuation_level_max = 5
# SAB_attenuation_level_step = 1
SAB_attenuation_delay = 1
SAB_switch_01_delay = 1 # seconds
VERSION = 8.0 unit = unit_class() calibration_file_LO = "C:\\Users\\sabah\\Documents\\Aptana Studio 3 Workspace\\ArduinoStepAttenuator\\v04\\RF_cal.csv" calibration_file_LO_enable = True calibration_file_RF = "C:\\Users\\sabah\\Documents\\Aptana Studio 3 Workspace\\ArduinoStepAttenuator\\v04\\RF_cal.csv" calibration_file_RF_enable = True calibration_file_IF = "C:\\Users\\sabah\\Documents\\Aptana Studio 3 Workspace\\ArduinoStepAttenuator\\v04\\RF_cal.csv" calibration_file_IF_enable = False # D:\Users\Andrea\Desktop result_file_name = "C:\\Users\\sabah\\Documents\\Aptana Studio 3 Workspace\\ArduinoStepAttenuator\\v04\\misuraSpuri_TEST_HARMONIC" # without extension synthetizer_LO_state = "ON" synthetizer_LO_frequency = Frequency_Range(4600, 5000, 500, unit.MHz) synthetizer_LO_frequency.to_base() synthetizer_LO_level = Generic_Range(10, 15, 5) synthetizer_RF_state = "ON" synthetizer_RF_frequency = Frequency_Range(3000, 4500, 500, unit.MHz) synthetizer_RF_frequency.to_base() synthetizer_RF_level = Generic_Range(-50, -25, 20) vscd_state = "ON" vscd_frequency = Frequency_Range(3000, 4500, 500, unit.MHz) vscd_frequency.to_base() vscd_level = Generic_Range(-50, -25, 20) FSV_delay = 1
VERSION = 7.0 unit = unit_class() # imposta i valori del sintetizzatore # 0 dbm per la potenza fissa synthetizer_fix_power = 0 # dBm # synthetizer_frequency_min_unit = unit.MHz # synthetizer_frequency_min = 4600 # synthetizer_frequency_max_unit = unit.MHz # synthetizer_frequency_max = 4700 # synthetizer_frequency_step_unit = unit.MHz # synthetizer_frequency_step = 100 # synthetizer_frequency_unit = unit.MHz synthetizer_frequency = Frequency_Range(4600, 4700, 100, unit.MHz) synthetizer_frequency.to_base() power_meter_make_zero = "ON" power_meter_make_zero_delay = 10 power_meter_misure_number = 1 power_meter_misure_delay = 1000 # milliseconds SAB_switch_01_delay = 2 SAB_switch_02_delay = 2 result_file_name = "C:\\Users\\Labele\\Desktop\\Spurius\\LO_cal" # result_file_name = "D:\\Users\\Andrea\\Documents\\Lavoro\\2015\\INAF\\MisureLNA\\test_cable" # Freqeunza strat , stop step