Measurement DuTs

Manage measurement data in DMT in as a measurement dut. Additionally has attributes which define the size and die of the dut.

class DMT.core.dut_meas.DutMeas(database_dir, name, dut_type, wafer=None, die=None, ndevices=1, deemb_name=None, **kwargs)[source]

Bases: DutView

Subclass of DutView that is used to capture relevant methods and properties of measured data.

Parameters:

database_dirstr: Root directory for saving duts and databases of this project.
namestr: Name of the dut to save it human readable.
dut_typeDutType
widthfloat64, optional: Width in m.
lengthfloat64, optional: Length in m.
waferstr, optional: Wafer identification string of this object.
diestr, optional: Die identification string of this object.
ndevicesinteger: Number of physically parallel devices of this measurement.
hashfloat64: Unique hash of this object.

Attributes:

widthfloat64: Width in m.
lengthfloat64: Length in m.
perimeterfloat64: Perimeter in m.
areafloat64: Area of this DutMeas object in m^2.
waferstr: Wafer identification string of this object.
diestr: Die identification string of this object.
ndevicesinteger: Number of physically parallel devices of this measurement.

Methods

run_simulation(sweep)	Raises NotImplementedError since measurements can not be simulated!
get_hash()	Return a unique hash based on some attributes of the DutMeas object.
add_short(short, key=’/dummies/short’, force=True)	Add a short dummy to the database of this DutMeas object.
add_open(short, key=’/dummies/short’, force=True)	Add an open dummy to the database of this DutMeas object.
get_output_data(sweep)	Raises NotImplementedError since a measurement can not return its output files.

add_open(open_, key='dummies/open')[source]

Add an open dummy to the database of this DutMeas object.

Parameters:

open_str or DMT.DataFrame or pd.DataFrame: The File or DataFrame with the short small signal parameters as a function of frequency.
keystr: Key that will be used to save the short dummy in the database. Default=’/dummies/short’

add_short(short, key='dummies/short')[source]

Add a short dummy to the database of this DutMeas object.

Parameters:

shortstr or DMT.DataFrame or pd.DataFrame: The File or DataFrame with the short small signal parameters as a function of frequency.
keystr: Key that will be used to save the short dummy in the database. Default=’/dummies/short’

classmethod from_json(json_content: Dict, classes_technology: List[Type[Technology]]) → DutMeas[source]

Static class method. Loads a DutMeas object from a pickle file with full path save_dir.

Calls the from_json method of DutView with all dictionary inside the “parent” keyword. Afterwards the additional parameters are set correctly.

Parameters:

json_contentdict: Readed dictionary from a saved json DutMeas.
classes_technologyList[Type[Technology]]: All possible technologies this loaded DutMeas can have. One will be choosen according to the serialized technology loaded from the file.

Returns:

DutMeas: Loaded object.

get_hash()[source]

Empty string, so it is evaluated to false, but still a string.

Returns:

‘’

get_output_data(sweep)[source]

info_json(**_kwargs) → Dict[source]

Returns a dict with serializeable content for the json file to create.

The topmost dict MUST have only one key: The string casted class name. Inside the parameters are:

A version key,

all extra parameters of DutMeas compared to DutView and

the info_json of DutView.

Returns:

dict: str(DutMeas): serialized content

join_key_temperature(*key_parts, temperature_converter=None)[source]

Collects the temperature from key_parts and replaces it by a proper temperature key part.

Parameters:

key_parts[str]: List of key strings to join. One element contains the temperature information.
temperature_convertercallable() object, optional: Function to convert a key part into a temperature.

Returns:

keystr: The correctly joined key_parts. If the temperature was inside, it is converted into “T” + temp + “K”.

make_input(sweep)[source]

Should genrate the input file for a given simulation sweep. This is not possible for measurements!

Raises:

OSError: Always when called.

prepare_simulation(sweep)[source]

Raise a OSError. Measurement duts can not be simulated!

Raises:

OSError: Always when called.

run_simulation(sweep)[source]

Raise a OSError. Measurements can not be simulated!

Raises:

OSError: Always when called.

temp_converter_default(key_part)[source]

Default converter from key_part to temperature. Asumes the temperature in the key parts is in Kelvin.

Parameters:

key_partstr: Key to inspect

Returns:

tempfloat or None: If key does not contain a temperature, -1 is returned. If id does contain a temperature, the temperature in Kelvin is returned.