From: Jim Thompson
Subject: Re: dBm and Microvolt/meter
References: <3D971DF6.email@example.com> <firstname.lastname@example.org>
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Date: Wed, 09 Oct 2002 00:36:24 GMT
NNTP-Posting-Date: Tue, 08 Oct 2002 20:36:24 EDT
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On 8 Oct 2002 17:22:06 -0700,
email@example.com (Dale Chisholm),
In Newsgroup: sci.electronics.design,
Entitled: "Re: dBm and Microvolt/meter",
Wrote the following:
|Jim Thompson wrote in message news:...
|> On Tue, 08 Oct 2002 08:44:53 -0700,
|> Jim Weir ,
|> In Newsgroup: sci.electronics.design,
|> Article: ,
|> Entitled: "Re: dBm and Microvolt/meter",
|> Wrote the following:
|> |With all due respects, Jim, the relationship between dBm and µV/m is frequency
|> |and antenna factors at the goesinta and goesouta..
|> |Jim Thompson
|> |shared these priceless pearls of wisdom:
|> |->Eh? There is NO relationship between dBm and uV/meter.
|> Write the equation ;-)
|> WITHOUT OTHER FACTORS BEING SPECIFIED there is NO relationship.
|> ...Jim Thompson
|Is it REALLY so obscure that you can't give the guy some more
I was just trying to stress that there's no pat equation relating uV/m
to dBm. As you pointed out there's antenna area and efficiency into a
specified load before you can make the equivalency.
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| Jim-T@analog_innovations.com Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |
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