--- On Fri, 16 Jan 1998 00:39:28 GMT Paul Rampelbergh
<[email protected]> wrote:
> General question not specific to EMC:
> Where can I find an 'official' definition of
> what's a RF measurement device (tool, circuit, equipment)
> With the special attention to:
> Is it a radio communication device or not?
---------------End of Original Message-----------------
Paul:
The following isn't OFFICIAL, just my perspective on your question.
But, it may help to better frame the terms of the inquiry.
An "RF measurement device" could be:
1. A device which intentionally generates electromagnetic energy to evaluate
the physical condition of a material.
2. A device which intentionally generates electromagnetic energy to evaluate
the presence, motion or proximity of a material.
3. A device which measures the quality or magnitude of electromagnetic energy.
A "radio communication device" is a device which facilitates the
transfer of information by electromagnetic means.
There's obviously some overlap of the categories. A field strength
meter may also derive some information from an observed signal. A proximity
sensor may derive some information about the characteristics of the target's
motion and composition. A communication receiver could provide an indication of
the signal's strength.
Maybe the best distinction is in the use of the device; is it being
used to observe a condition or is it being used to transfer information? Hmmm,
sort of like how your feelings about a shotgun depend on which end is pointed
toward you.
--------------------------
Ed Price
[email protected]
Electromagnetic Compatibility Lab
Cubic Defense Systems
San Diego, CA. USA
619-505-2780
List-Post: [email protected]
Date: 01/16/98
Time: 08:40:31
--------------------------
