Difference between revisions of "NVGate Octave Analyzer"

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NVGate Octave Analyzer (view source)

Revision as of 10:33, 30 April 2020

2,200 bytes removed ,  10:33, 30 April 2020
→‎Structure and Operation
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* covers range from 90 mHz to 22.1 kHz.
* covers range from 90 mHz to 22.1 kHz.


Filters for 1/1 and 1/3<sup>rd</sup> octave analysis conform to the IEC 225 standard.
The OR7933 analyzer satisfies requirements from standard ANSI S1.11 - 1986 Order 3 Type 1D optional and extended range, based on maximum flat Butterworth filters. Filters bandwidth is adjusted, as recommended in ANSI 1.11, for minimum white noise bandwidth error.
For more information on filter bank setup, see <font color="#FF0000">'''8.2.14.3''' </font>'''Settings <nowiki>|</nowiki> Analysis - High Filter''' and <font color="#FF0000">'''8.2.14.4''' </font>'''Settings <nowiki>|</nowiki> Analysis - Low Filter '''chapters.
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In exponential modes, detectors are always running and trigger events are only used to store associated results in the spectrum waterfall memory.
In exponential modes, detectors are always running and trigger events are only used to store associated results in the spectrum waterfall memory.
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The other modules used are:
* An arming module that is used after a START command to arm trigger for the first event detection.
* A trigger module based on free start, manual, input level, delta time, tachometer with ∆ RPM capabilities and input with ∆ V variation.
For more information about arming and triggering, see corresponding chapters in Real Time FFT mode:
<font color="#FF0000">'''4.2.8 '''</font>'''RPM Tach Setup'''
<font color="#FF0000">'''4.2.11 '''</font>'''Arming Setup'''
<font color="#FF0000">'''4.2.12 '''</font>'''Triggering Setup'''
<font color="#FF0000">'''4.2.13 '''</font>'''Input Level Setup'''
<font color="#FF0000">'''4.2.14 '''</font>'''Delta Level Setup'''
An internal generator is also available (see <font color="#FF0000">'''4.2.19''' </font>'''Generator Setup''' in the real time FFT mode).
The PC ensures the real-time display functions of the traces, the management of the graphic zooms, the decoding and execution of the commands linked to the menus.
The '''OR7933''' analyzer can manage up to 16 channels that can be selected among up to 16 inputs. A special dialog box (see <font color="#FF0000">'''8.2.7''' </font>'''Input Preprocess Setup''' chapter in the real time mode chapter) is used to link the input channels to a preprocess on the analyzer hardware.
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{|border="0" cellspacing="2" width="100%"
|'''F 197 804 1'''
|'''8-11'''
|}
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'''Nth OCTAVE ANALYZER'''
'''REAL TIME 1/Nth OCTAVE ANALYZER'''
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{|border="0" cellspacing="2" width="100%"
|'''8-50'''
|'''F 197 804 1'''


== NVGate 1/n octave plug in==
== NVGate 1/n octave plug in==
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