qtt.measurements.acquisition package¶

Subpackages¶

qtt.measurements.acquisition.interfaces package

Submodules¶

qtt.measurements.acquisition.configuration_storage module¶

Functionality to store and load instrument configurations.

qtt.measurements.acquisition.configuration_storage.load_configuration(file_path: str) → qilib.utils.python_json_structure.PythonJsonStructure[source]¶

Loads the instrument configuration from disk storage.

Parameters:	file_path – The store file location on disk.
Returns:	The loaded configuration from disk.

qtt.measurements.acquisition.configuration_storage.save_configuration(file_path: str, configuration: qilib.utils.python_json_structure.PythonJsonStructure) → None[source]¶

Saves the instrument configuration to disk storage.

Parameters:	file_path – The store file location on disk. configuration – The instrument configuration that needs to be stored to disk.

qtt.measurements.acquisition.uhfli_scope_reader module¶

Provides oscilloscope functionality for the Zurich Instruments UHFLI.

class qtt.measurements.acquisition.uhfli_scope_reader.UHFLIScopeReader(address)[source]¶

Bases: qtt.measurements.acquisition.interfaces.acquisition_scope_interface.AcquisitionScopeInterface

Represents an acquisition wrapper for acquiring data with the Zurich Instruments UHFLI.

acquire(number_of_averages: int, timeout: float = 30) → List[qilib.data_set.data_array.DataArray][source]¶

Collects records from the UHFLI.

Parameters:	number_of_averages – The number of averages taken during acquiring. timeout – The time the collecting of records can maximally take before raising an error.
Returns:	A list with the recorded scope records as data arrays.

acquire_single_sample(channel: int, parameter: str, partial: bool = False) → Union[qcodes.instrument.parameter.Parameter, float][source]¶

Collect a single point for each added measurement signal.

Parameters:	channel – Input channel that signal is acquired from. parameter – Modulation parameter, ‘x’, ‘y’, ‘phi’ or ‘R’ partial – If True return this method as partial, else acquire a sample and return it.
Returns:	This method as a partial method or single sample.

enabled_channels¶

Gets the channel enabled states.

Returns:	The channels which are set to be enabled.

get_nearest_sample_rate(sample_rate: float) → float[source]¶

Gets the nearest sample rate corresponding to the given value.

Parameters:	sample_rate – A possible sample rate to check for a nearest actual settable sample rate value.
Returns:	The nearest settable sample rate value on the UHFLI.

initialize(configuration: qilib.utils.python_json_structure.PythonJsonStructure) → None[source]¶

Applies the configuration to the UHFLI.

Parameters:	configuration – The configuration with all the UHFLI settings.

input_range¶

Gets the amplitude input range of the channels.

Returns:	The amplitude input range of the channels set value.

number_of_samples¶

Gets the sample count to take during a acquisition.

Returns:	The number of samples set value.

period¶

Gets the measuring period of the acquisition.

Returns:	The measuring period set value in seconds.

sample_rate¶

Gets the sample rate of the acquisition device.

Returns:	The input range amplitude in Volt for each channel.

set_channel_limits(channel: int, lower_limit: float, upper_limit: float) → None[source]¶

Sets the upper and lower limit of the scope full scale range.

Parameters:	channel – The input channel number. lower_limit – The lower limit range. upper_limit – The upper limit range.

set_input_signal(channel: int, attribute: Optional[str]) → None[source]¶

Adds an input channel to the scope.

Parameters:	channel – The input channel number. attribute – The input signal to acquire.

start_acquisition() → None[source]¶: Starts the acquisition mode of the scope in the UHFLI.

stop_acquisition() → None[source]¶: Stops the acquisition mode of the scope in the UHFLI.

trigger_channel¶

Gets the external triggering channel.

Returns:	Signal Input 1, Signal Input 2, Trig Input 1, Trig Input 2, Aux Output 1, Aux Output 2, Aux Output 3, Aux Output 4, Aux In 1 Ch 1, Aux In 1 Ch 2, Osc phi Demod 4, Osc phi Demod 8, AU Cartesian 1, AU Cartesian 2, AU Polar 1, AU Polar 2.
Return type:	The trigger channel value. The possible trigger channel values are

trigger_delay¶

Gets the delay in seconds between the external trigger and acquisition.

Returns:	The scope trigger delay in seconds.

trigger_enabled¶

Gets the external triggering enabled status.

Returns:	The trigger enabled status set value.

trigger_level¶

Gets the external triggering level in Volts.

Returns:	The trigger level in Volts.

trigger_slope¶

Gets the external triggering slope.

Returns:	Rise, Fall, Both or None).
Return type:	The scope trigger slope (possible values are

qtt.measurements.acquisition.uhfli_stimulus module¶

class qtt.measurements.acquisition.uhfli_stimulus.UHFLIStimulus(address: str)[source]¶

Bases: object

A wrapper that provides methods to control Lock-in of Zurich instrument’s UHF-LI devices.

connect_oscillator_to_demodulator(oscillator: int, demodulator: int) → None[source]¶

Connects an oscillator (1 - 8) to the given demodulator.

Parameters:	oscillator – The oscillator number to connect to (1 - 8). demodulator – Which demodulator the oscillator belongs to.

initialize(configuration: qilib.utils.python_json_structure.PythonJsonStructure) → None[source]¶

Apply configuration to the UHFLI.

Parameters:	configuration – The configuration for the UHFLI.

set_demodulation_enabled(channel: int, is_enabled: bool) → None[source]¶

Enable data transfer in the demodulators.

Parameters:	channel – The output channel number to enable (1 - 8). is_enabled – True to enable and False to disable.

set_demodulator_signal_input(demodulator: int, input_channel: int) → None[source]¶

Set the signal demodulator input channel.

Parameters:	demodulator – Which demodulator the channel belongs to. input_channel – The input channel (1 or 2).

set_oscillator_frequency(oscillator: int, frequency: Optional[float] = None) → Optional[qcodes.instrument.parameter.Parameter][source]¶

Set the oscillators frequencies.

Parameters:	oscillator – Output channel the the oscillator belongs to (1 - 8) with MF enabled. frequency – Optional parameter that if not provided, this method returns a QCoDeS parameter that can be used to set the oscillator frequency. Allowed frequencies are 0 - 600 MHz.

set_output_enabled(output: int, is_enabled: bool) → None[source]¶

Control the outputs on the device.

Parameters:	output – One of the two outputs on the device. is_enabled – True to enable and False to disable.

set_signal_output_amplitude(channel: int, demodulator: int, amplitude: float) → None[source]¶

Set the amplitude of the output signal.

Parameters:	channel – The output channel to set the amplitude on (1 - 8). demodulator – Which demodulator the channel belongs to. amplitude – Amplitude in volts, allowed values are 0.0 - 1.5 V.

set_signal_output_enabled(channel: int, demodulator: int, is_enabled: bool) → None[source]¶

Enable one of the 16 output amplitudes.

Parameters:	channel – The output channel to enable (1 - 8). demodulator – Which demodulator the channel belongs to. is_enabled – True to enable and False to disable.