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TFX12V Power Supply Design Guide
Thin Form Factor with 12-V Connector
Version 2.0
1.4 Terminology
The following terms are used in this document:
Term Description
Required
The status given to items within this design guide, which are required to
meet design guide and a large majority of system applications.
Recommended
The status given to items within this design guide, which are not required
to meet design guide, however, are required by many system
applications.
Optional
The status given to items within this design guide, which are not required
to meet design guide, however, some system applications may optionally
use these features.
B
A
Declared sound power, LwAd. The declared sound power level
shall be measured according to ISO* 7779 for the power supply
and reported according to ISO 9296.
CFM
Cubic Feet per Minute (airflow).
Monotonically
A waveform changes from one level to another in a steady fashion,
without intermediate retracement or oscillation.
Noise
The periodic or random signals over frequency band of 0 Hz to 20 MHz.