def do_simple_map(self, xsteps=np.arange(0, 10000, 1000), ysteps=np.arange(0, 10000, 1000), settle_time=0.1, mmw_source_frequencies=-1, description="",suffix=""): if not self._have_found_home: print "homing..." self.stage.find_home() self.stage.find_home() self._have_found_home = True if np.isscalar(mmw_source_frequencies): mmw_source_frequencies = np.array([mmw_source_frequencies]) # if CW mode is used, frequency is > 0 if mmw_source_frequencies[0] > 0: if self.hittite is None: self.hittite = hittiteController() self.hittite.set_power(0) self.hittite.on() mapfile = MapDataFile(xsteps,ysteps,mmw_source_frequencies,suffix=suffix) mapfile.group.description = description #mapfile.group.microstepping = self.mapfile = mapfile total_measurements = len(xsteps)*len(ysteps) measured_so_far = 0 start_time = time.time() for y in range(len(ysteps)): if y % 2: direction = -1 else: direction = 1 ystep = ysteps[y] for x in range(len(xsteps))[::direction]: xstep = xsteps[x] self.stage.go_to_position(xstep, ystep) for freq_index,freq in enumerate(mmw_source_frequencies): if freq > 0: self.hittite.set_freq(freq/12.0) time.sleep(settle_time) #z, _, r, theta = self.lockin.get_data() r,sensitivity = self.lockin.auto_range_measure(debug=True) mapfile.z[x,y,freq_index] = r mapfile.sensitivity[x,y,freq_index] = sensitivity mapfile.nc.sync() print x, y, freq, r measured_so_far +=1 time_so_far = time.time()-start_time time_per_point = time_so_far/measured_so_far time_remaining = time_per_point*(total_measurements-measured_so_far) print "%.1f minutes remaining, finish at %s" % (time_remaining/60.,time.ctime(time.time()+time_remaining))
import time import sys import numpy as np from kid_readout.roach import heterodyne from kid_readout.utils import data_file, sweeps from kid_readout.analysis.resonator import fit_best_resonator from kid_readout.equipment import hittite_controller, lockin_controller # fg = FunctionGenerator() hittite = hittite_controller.hittiteController(addr='192.168.0.200') lockin = lockin_controller.lockinController() print lockin.get_idn() ri = heterodyne.RoachHeterodyne() ri.set_lo(1210.0) f0s = np.load('/data/readout/resonances/2015-11-03-starcryo-nevins-initial-resonances-160mK.npy') suffix = "mmw_frequency_sweep" mmw_source_modulation_freq = ri.set_modulation_output(rate=7) mmw_atten_turns = (7.0, 7.0) print "modulating at: {}".format(mmw_source_modulation_freq), nf = len(f0s) atonce = 32 if nf % atonce > 0: print "extending list of resonators to make a multiple of ", atonce f0s = np.concatenate((f0s, np.arange(1, 1 + atonce - (nf % atonce)) + f0s.max()))
from kid_readout.roach import baseband matplotlib.use('agg') import numpy as np import time import sys from kid_readout.utils import data_file,sweeps from kid_readout.analysis.resonator import fit_best_resonator from kid_readout.equipment import hittite_controller from kid_readout.equipment import lockin_controller from kid_readout.equipment.agilent_33220 import FunctionGenerator fg = FunctionGenerator() hittite = hittite_controller.hittiteController() lockin = lockin_controller.lockinController() print lockin.get_idn() ri = baseband.RoachBaseband() ri.initialize() f0s = np.load('/home/gjones/kid_readout/apps/sc5x4_0813f12.npy') f0s.sort() f0s = f0s[[0,1,2,3,4,5,6,7,8,9,10,13,14,15,16,17]] # remove close packed resonators to enable reading out all simultaneously suffix = "mmwnoise" mmw_source_modulation_freq = 25.0 mmw_atten_turns = (6.5,6.5) def source_on(): ri.r.write_int('gpiob',0x00)
__author__ = 'gjones' import time import sys import numpy as np from kid_readout.roach import heterodyne from kid_readout.utils import data_file, sweeps from kid_readout.equipment import hittite_controller, lockin_controller hittite = hittite_controller.hittiteController(addr='192.168.0.200') lockin = lockin_controller.lockinController() print lockin.get_idn() ri = heterodyne.RoachHeterodyne(adc_valon='/dev/ttyUSB0') ri.iq_delay = 0 ri.set_lo(1410.0) #group_1_lo = 1020.0 #group_2_lo = 1410.0 #all_f0s = np.load('/data/readout/resonances/2016-01-13-jpl-2015-10-park-dark-32-resonances-split-at-1300.npy') -0.5 #group_1_f0 = all_f0s[all_f0s < 1300] #group_2_f0 = all_f0s[all_f0s > 1300] """ all_f0s = np.load('/data/readout/resonances/2016-02-12-jpl-park-100nm-32-resonances.npy') group_1_f0 = all_f0s[all_f0s<1500] group_2_f0 = all_f0s[all_f0s>1800] group_1_lo = 1220.0 group_2_lo = 1810.0 """
import time import sys import numpy as np from kid_readout.roach import baseband from kid_readout.utils import data_file, sweeps from kid_readout.analysis.resonator import fit_best_resonator from kid_readout.equipment import hittite_controller, lockin_controller # fg = FunctionGenerator() hittite = hittite_controller.hittiteController() lockin = lockin_controller.lockinController() print lockin.get_idn() ri = baseband.RoachBaseband() f0s = np.load('/home/data2/resonances/2014-12-06_140825_0813f8_fit_16.npy') suffix = "mmw_frequency_sweep" mmw_source_modulation_freq = ri.set_modulation_output(rate=7) mmw_atten_turns = (7.0, 7.0) print "modulating at: {}".format(mmw_source_modulation_freq), nf = len(f0s) atonce = 16 if nf % atonce > 0: print "extending list of resonators to make a multiple of ", atonce f0s = np.concatenate( (f0s, np.arange(1, 1 + atonce - (nf % atonce)) + f0s.max())) nsamp = 2**18
def mmw_source_power_step(f_initial_off, f_initial_on, attenuations, f_mmw_source=0, suffix="mmw", hittite_power=0, long_stream_time=30, modulated_stream_time=4, coarse_exponent=19, fine_exponent=21, modulation_rate_integer=7): if f_mmw_source: from kid_readout.equipment import hittite_controller frequency_multiplication_factor = 12 hittite = hittite_controller.hittiteController() hittite.set_power(hittite_power) # in dBm hittite.set_freq(f_mmw_source / frequency_multiplication_factor) # in Hz hittite.on() lockin = lockin_controller.lockinController() print(lockin.get_idn()) roach = baseband.RoachBaseband() n_coarse_samples = 2**coarse_exponent n_fine_samples = 2**fine_exponent coarse_frequency_resolution = roach.fs / n_coarse_samples fine_frequency_resolution = roach.fs / n_fine_samples coarse_offset_integers = offset_integers[coarse_exponent] fine_offset_integers = offset_integers[fine_exponent] f_coarse_offset = coarse_frequency_resolution * coarse_offset_integers f_fine_offset = fine_frequency_resolution * fine_offset_integers while True: f_source_modulation = roach.set_modulation_output( modulation_rate_integer) print( "\nSet source modulation frequency to {:.1f} Hz. Check the lock-in." .format(f_source_modulation)) try: mmw_attenuator_turns = float( raw_input( "Enter the value to which both attenuators are set, or hit Enter to stop recording data: " )) except ValueError: break start_time = time.time() df = data_file.DataFile(suffix=suffix) df.nc.mmw_atten_turns = (mmw_attenuator_turns, mmw_attenuator_turns) maximum_attenuation = max(attenuations) print( "Setting DAC attenuator to maximum requested attenuation of {:.1f} dB." .format(maximum_attenuation)) roach.set_dac_attenuator(maximum_attenuation) # At the lowest readout power, record a coarse sweep with the source off and a modulated stream at the fit # source-off resonances. sweeps.prepare_sweep(roach, f_initial_off, f_coarse_offset, n_coarse_samples) coarse_sweep_off, stream_mod_off = mmw_source_sweep_and_stream( df, roach, lockin, modulated_stream_time, False, f_mmw_source, 'high', modulation_rate_integer, modulation_rate_integer) f_coarse_fit_off = np.array( [r.f_0 for r in fit_sweep_data(coarse_sweep_off)]) print("Source off: coarse - initial [Hz]: " + ', '.join([ '{:.0f}'.format(1e6 * diff) for diff in f_coarse_fit_off - f_initial_off ])) # At the lowest readout power, record a fine sweep and long stream with the source off. sweeps.prepare_sweep(roach, f_coarse_fit_off, f_fine_offset, n_fine_samples) fine_sweep_off, stream_off = mmw_source_sweep_and_stream( df, roach, lockin, long_stream_time, False, f_mmw_source, 'high', 'high', modulation_rate_integer) f_fine_fit_off = np.array( [r.f_0 for r in fit_sweep_data(fine_sweep_off)]) print("Source off: fine - coarse [Hz]: " + ', '.join([ '{:.0f}'.format(1e6 * diff) for diff in f_fine_fit_off - f_coarse_fit_off ])) # At the lowest readout power, record a coarse sweep with the source on and a modulated stream at the fit # source-on resonances. sweeps.prepare_sweep(roach, f_initial_on, f_coarse_offset, n_coarse_samples) coarse_sweep_on, stream_mod_on = mmw_source_sweep_and_stream( df, roach, lockin, modulated_stream_time, False, f_mmw_source, 'low', modulation_rate_integer, modulation_rate_integer) f_coarse_fit_on = np.array( [r.f_0 for r in fit_sweep_data(coarse_sweep_on)]) print("Source on: coarse - initial [Hz]: " + ', '.join([ '{:.0f}'.format(1e6 * diff) for diff in f_coarse_fit_on - f_initial_on ])) # Use these frequencies for all subsequent sweeps, and add an additional waveform for each stream. print("\nSetting fine sweep frequencies for source-on measurements.") sweeps.prepare_sweep(roach, f_coarse_fit_on, f_fine_offset, n_fine_samples) for k, attenuation in enumerate(attenuations): print( "\nSource-on measurement {} of {}: DAC attenuator at {:.1f} dB." .format(k + 1, len(attenuations), attenuation)) roach.set_dac_attenuator(attenuation) fine_sweep_on, stream = mmw_source_sweep_and_stream( df, roach, lockin, long_stream_time, k > 0, # overwrite after the first. f_mmw_source, 'low', 'low', modulation_rate_integer) f_fine_fit_on = [r.f_0 for r in fit_sweep_data(fine_sweep_on)] print("Source on: fine - coarse [Hz]: " + ', '.join([ '{:.0f}'.format(1e6 * diff) for diff in f_fine_fit_on - f_coarse_fit_on ])) df.close() print("Completed in {:.0f} minutes: {}".format( (time.time() - start_time) / 60, df.filename)) # Clean up. if f_mmw_source: hittite.off() hittite.disconnect()
__author__ = 'gjones' from kid_readout.equipment import hittite_controller, lockin_controller import numpy as np import time import sys hmc = hittite_controller.hittiteController('192.168.0.200') li = lockin_controller.lockinController() print li.get_idn() mmw_freqs = np.linspace(140e9, 161e9, 1024) while True: zbd = [] tstart = time.time() for mmw_freq in mmw_freqs: hmc.set_freq(mmw_freq / 12.) time.sleep(0.5) r, _, _, _ = li.get_data() zbd.append(r) print("\r%d/%d" % (len(zbd), len(mmw_freqs))), sys.stdout.flush() zbd = np.array(zbd) tend = time.time() fn = time.strftime("%Y-%m-%d_%H%M%S") np.savez(('/data/readout/mmw_sweeps/%s_cryo_waveguide_short.npz' % fn), start_epoch=tstart, end_epoch=tend, mmw_freqs=mmw_freqs, zbd=zbd) print fn
def __init__(self, hittite_addr='192.168.1.70'): self.hittite = hittiteController(addr=hittite_addr) self.rtl = rtlsdr.RtlSdr() self.rtl.sample_rate = 256e3 self.rtl.gain = 30.0
def __init__(self,hittite_addr='192.168.1.70'): self.hittite = hittiteController(addr=hittite_addr) self.rtl = rtlsdr.RtlSdr() self.rtl.sample_rate = 256e3 self.rtl.gain = 30.0
__author__ = 'gjones' from kid_readout.equipment import hittite_controller, lockin_controller import numpy as np import time import sys hmc = hittite_controller.hittiteController('192.168.0.200') li = lockin_controller.lockinController() print li.get_idn() mmw_freqs = np.linspace(140e9,161e9,1024) while True: zbd = [] tstart = time.time() for mmw_freq in mmw_freqs: hmc.set_freq(mmw_freq/12.) time.sleep(0.5) r,_,_,_ = li.get_data() zbd.append(r) print ("\r%d/%d" % (len(zbd),len(mmw_freqs))), sys.stdout.flush() zbd = np.array(zbd) tend = time.time() fn = time.strftime("%Y-%m-%d_%H%M%S") np.savez(('/data/readout/mmw_sweeps/%s_cryo_waveguide_short.npz' % fn), start_epoch=tstart, end_epoch = tend, mmw_freqs=mmw_freqs, zbd = zbd) print fn
def mmw_source_power_step(f_initial_off, f_initial_on, attenuations, f_mmw_source=0, suffix="mmw", hittite_power=0, long_stream_time=30, modulated_stream_time=4, coarse_exponent=19, fine_exponent=21, modulation_rate_integer=7): if f_mmw_source: from kid_readout.equipment import hittite_controller frequency_multiplication_factor = 12 hittite = hittite_controller.hittiteController() hittite.set_power(hittite_power) # in dBm hittite.set_freq(f_mmw_source / frequency_multiplication_factor) # in Hz hittite.on() lockin = lockin_controller.lockinController() print(lockin.get_idn()) roach = baseband.RoachBaseband() n_coarse_samples = 2 ** coarse_exponent n_fine_samples = 2 ** fine_exponent coarse_frequency_resolution = roach.fs / n_coarse_samples fine_frequency_resolution = roach.fs / n_fine_samples coarse_offset_integers = offset_integers[coarse_exponent] fine_offset_integers = offset_integers[fine_exponent] f_coarse_offset = coarse_frequency_resolution * coarse_offset_integers f_fine_offset = fine_frequency_resolution * fine_offset_integers while True: f_source_modulation = roach.set_modulation_output(modulation_rate_integer) print("\nSet source modulation frequency to {:.1f} Hz. Check the lock-in.".format(f_source_modulation)) try: mmw_attenuator_turns = float( raw_input("Enter the value to which both attenuators are set, or hit Enter to stop recording data: ")) except ValueError: break start_time = time.time() df = data_file.DataFile(suffix=suffix) df.nc.mmw_atten_turns = (mmw_attenuator_turns, mmw_attenuator_turns) maximum_attenuation = max(attenuations) print("Setting DAC attenuator to maximum requested attenuation of {:.1f} dB.".format(maximum_attenuation)) roach.set_dac_attenuator(maximum_attenuation) # At the lowest readout power, record a coarse sweep with the source off and a modulated stream at the fit # source-off resonances. sweeps.prepare_sweep(roach, f_initial_off, f_coarse_offset, n_coarse_samples) coarse_sweep_off, stream_mod_off = mmw_source_sweep_and_stream(df, roach, lockin, modulated_stream_time, False, f_mmw_source, 'high', modulation_rate_integer, modulation_rate_integer) f_coarse_fit_off = np.array([r.f_0 for r in fit_sweep_data(coarse_sweep_off)]) print("Source off: coarse - initial [Hz]: " + ', '.join(['{:.0f}'.format(1e6 * diff) for diff in f_coarse_fit_off - f_initial_off])) # At the lowest readout power, record a fine sweep and long stream with the source off. sweeps.prepare_sweep(roach, f_coarse_fit_off, f_fine_offset, n_fine_samples) fine_sweep_off, stream_off = mmw_source_sweep_and_stream(df, roach, lockin, long_stream_time, False, f_mmw_source, 'high', 'high', modulation_rate_integer) f_fine_fit_off = np.array([r.f_0 for r in fit_sweep_data(fine_sweep_off)]) print("Source off: fine - coarse [Hz]: " + ', '.join(['{:.0f}'.format(1e6 * diff) for diff in f_fine_fit_off - f_coarse_fit_off])) # At the lowest readout power, record a coarse sweep with the source on and a modulated stream at the fit # source-on resonances. sweeps.prepare_sweep(roach, f_initial_on, f_coarse_offset, n_coarse_samples) coarse_sweep_on, stream_mod_on = mmw_source_sweep_and_stream(df, roach, lockin, modulated_stream_time, False, f_mmw_source, 'low', modulation_rate_integer, modulation_rate_integer) f_coarse_fit_on = np.array([r.f_0 for r in fit_sweep_data(coarse_sweep_on)]) print("Source on: coarse - initial [Hz]: " + ', '.join(['{:.0f}'.format(1e6 * diff) for diff in f_coarse_fit_on - f_initial_on])) # Use these frequencies for all subsequent sweeps, and add an additional waveform for each stream. print("\nSetting fine sweep frequencies for source-on measurements.") sweeps.prepare_sweep(roach, f_coarse_fit_on, f_fine_offset, n_fine_samples) for k, attenuation in enumerate(attenuations): print("\nSource-on measurement {} of {}: DAC attenuator at {:.1f} dB.".format(k + 1, len(attenuations), attenuation)) roach.set_dac_attenuator(attenuation) fine_sweep_on, stream = mmw_source_sweep_and_stream(df, roach, lockin, long_stream_time, k > 0, # overwrite after the first. f_mmw_source, 'low', 'low', modulation_rate_integer) f_fine_fit_on = [r.f_0 for r in fit_sweep_data(fine_sweep_on)] print("Source on: fine - coarse [Hz]: " + ', '.join(['{:.0f}'.format(1e6 * diff) for diff in f_fine_fit_on - f_coarse_fit_on])) df.close() print("Completed in {:.0f} minutes: {}".format((time.time() - start_time) / 60, df.filename)) # Clean up. if f_mmw_source: hittite.off() hittite.disconnect()