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()
