[BC] dbu to uV

[Mark Humphrey]

I just ran a search for more info on the Jerrold CATV field strength
meters.  The old workhorse was the Model 704, there's even a "Loyal
Order" of users!

http://www.704.org/index.php

I also found this VERY in-depth interview with the late Ken Simons,
who designed the Jerrold 704.  He got his start in ham radio, then was
a transmitter operator at WIBG, then worked for WCAU and RCA.  You
old-timers will enjoy this.  I'll read it too, when I have a few
hours!

http://www.cablecenter.org/education/library/oralHistoryDetails.cfm?id=203

Mark



On 4/10/07, Ronald J. Dot'o Sr. <ron.doto at comcast.net> wrote:
>
> Thanks to all who provided links and programs for the above conversion.  My
> situation is that I have an old FIM designed for the cable industry  that
> reads uV and db where 0 db is 1000uV and I needed to know how many uV were
> 70dbu so that I could get a ballpark reading on where the 70 dbu contour (in
> uV) is for a particular station.  Now I know it's 3.16 mV/m and I can do the
> check.
>
> Thanks again,
>
> Ron D
>
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