.. auto-generated by dev_tools.docs.nxdl from the NXDL source contributed_definitions/NXamplifier.nxdl.xml -- DO NOT EDIT

.. index::
    ! NXamplifier (base class)
    ! amplifier (base class)
    see: amplifier (base class); NXamplifier

.. _NXamplifier:

===========
NXamplifier
===========

**Status**:

  base class, extends :ref:`NXobject`

**Description**:

  Base classed definition for amplifier devices.

**Symbols**:

  No symbol table

**Groups cited**:
  :ref:`NXfabrication`

.. index:: NXfabrication (base class); used in base class

**Structure**:

  .. _/NXamplifier/num_of_channels-field:

  .. index:: num_of_channels (field)

  **num_of_channels**: (optional) :ref:`NX_NUMBER <NX_NUMBER>` 

    The number of preamplifier channels are assgined.

  .. _/NXamplifier/active_channels-field:

  .. index:: active_channels (field)

  **active_channels**: (optional) :ref:`NX_NUMBER <NX_NUMBER>` 

    .. collapse:: The number of preamplifier channels are ready tp to be used. (array for active ...

        The number of preamplifier channels are ready tp to be used. (array for active
        channels)

  .. _/NXamplifier/openloop_amplification-field:

  .. index:: openloop_amplification (field)

  **openloop_amplification**: (optional) :ref:`NX_NUMBER <NX_NUMBER>` 

    .. collapse:: The output signal does not go through a feedback loop to adjust the ...

        The output signal does not go through a feedback loop to adjust the
        amplification of the amplifier. (array for active channels)

  .. _/NXamplifier/signal_over_noise-field:

  .. index:: signal_over_noise (field)

  **signal_over_noise**: (optional) :ref:`NX_NUMBER <NX_NUMBER>` 

    .. collapse:: The ratio of the amplitue of the useful signal to the amplitude of the noise i ...

        The ratio of the amplitue of the useful signal to the amplitude of the noise in
        the output signal of the amplifier. S/N=V_signal/V_noise. (array for active
        channels)

  .. _/NXamplifier/crosstalk_factor-field:

  .. index:: crosstalk_factor (field)

  **crosstalk_factor**: (optional) :ref:`NX_NUMBER <NX_NUMBER>` 

    (if active >1)

  .. _/NXamplifier/crosstalk_compensation-field:

  .. index:: crosstalk_compensation (field)

  **crosstalk_compensation**: (optional) :ref:`NX_BOOLEAN <NX_BOOLEAN>` 

    for reducing interferences between different signalling pathways

  .. _/NXamplifier/bandwidth-field:

  .. index:: bandwidth (field)

  **bandwidth**: (optional) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_FREQUENCY <NX_FREQUENCY>`} 

    .. collapse:: The spectrum of frequency it can amplify, from its lowest to highest frequency ...

        The spectrum of frequency it can amplify, from its lowest to highest frequency
        limits.

  .. _/NXamplifier/low_pass-field:

  .. index:: low_pass (field)

  **low_pass**: (optional) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_FREQUENCY <NX_FREQUENCY>`} 

    .. collapse:: Order and cut-off frequency of the low-pass filter applied on the demodulated ...

        Order and cut-off frequency of the low-pass filter applied on the demodulated
        signals (X,Y). Cut-off frq (low pass filter) (foreach DemodulatorChannels)

  .. _/NXamplifier/hi_pass-field:

  .. index:: hi_pass (field)

  **hi_pass**: (optional) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_FREQUENCY <NX_FREQUENCY>`} 

    .. collapse:: Order and cut-off frequency of the high-pass filter applied on the demodulatio ...

        Order and cut-off frequency of the high-pass filter applied on the demodulation
        signal. Cut-off frq (hi pass filter) (foreach DemodulatorChannels)

  .. _/NXamplifier/hardware-group:

  **hardware**: (optional) :ref:`NXfabrication` 

    (IC, device) (NXmanufacturer?)


Hypertext Anchors
-----------------

List of hypertext anchors for all groups, fields,
attributes, and links defined in this class.


* :ref:`/NXamplifier/active_channels-field </NXamplifier/active_channels-field>`
* :ref:`/NXamplifier/bandwidth-field </NXamplifier/bandwidth-field>`
* :ref:`/NXamplifier/crosstalk_compensation-field </NXamplifier/crosstalk_compensation-field>`
* :ref:`/NXamplifier/crosstalk_factor-field </NXamplifier/crosstalk_factor-field>`
* :ref:`/NXamplifier/hardware-group </NXamplifier/hardware-group>`
* :ref:`/NXamplifier/hi_pass-field </NXamplifier/hi_pass-field>`
* :ref:`/NXamplifier/low_pass-field </NXamplifier/low_pass-field>`
* :ref:`/NXamplifier/num_of_channels-field </NXamplifier/num_of_channels-field>`
* :ref:`/NXamplifier/openloop_amplification-field </NXamplifier/openloop_amplification-field>`
* :ref:`/NXamplifier/signal_over_noise-field </NXamplifier/signal_over_noise-field>`

**NXDL Source**:
  https://github.com/FAIRmat-NFDI/nexus_definitions/tree/fairmat/contributed_definitions/NXamplifier.nxdl.xml