photons.plugins.tia_gain module

Plugin to determine the gain of a transimpedance amplifier.

Setup

1. A Keithley 6430 sub-femto SourceMeter produces a current.

2. The current (from the IN/OUT HIGH port of the pre-amp) is the input signal to transimpedance amplifier.

3. The output of the transimpedance amplifier is connected to a digital multimeter.

class photons.plugins.tia_gain.TIAGain(parent, **kwargs)

Bases: BasePlugin

Plugin to determine the gain of a transimpedance amplifier.

Parameters:

• parent (MainWindow) – The main window.

• **kwargs – All keyword arguments are passed to super().

on_tia_changed(text)

Slot for the TIA changed.

Return type:

None

on_worker_abort()

Abort the worker thread.

Return type:

None

on_worker_start()

Start acquiring data in the worker thread.

Return type:

None

on_worker_finished()

Called when the worker thread finishes.

Return type:

None

class photons.plugins.tia_gain.TIAGainWorker(parent)

Bases: Worker

Process an expensive or blocking operation in a thread that is separate from the main thread.

You can access to the attributes of the Worker as though they are attributes of the Thread.

The *args and **kwargs parameters are passed to the constructor of the Worker when the start() method is called.

Example

See SleepWorker for an example of a Worker.

process()

The expensive or blocking operation to process.

Attention

You must override this method.