[BC] A review of the Roadshow

[John Vodenik]

>
> I attended the recent Phoenix Roadshow event, and I did "relearn" a few
> things.  While passing around an NTSC composite video distribution
> amplifier with 2 inputs and 4 outputs, I asked Larry what the logic was
> in designing something that didn't switch between the two inputs,
> allowing two signals to potentially reach the outputs together, which
> wouldn't necessarily sync properly because the unit wasn't designed to
> genlock.  He reminded me that this kind of device has a loop output for
> signal monitoring, and that you would normally terminate loop with a
> 75-Ohm terminating resistor or terminate it at the monitor.
>
> I think I would rather have monitored the video DA via one of its
> outputs rather than the loop input, since seeing what you're
> distributing is more important to me than seeing what the source signal
> looks like.

>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<
***  Also, if you loop the input to, say, your video switcher input or 
STL/transmitter,
 you will NOT lose the signal should your DA decide to take the rest of it's 
life off.
Keeps you on the air.

John @ VOA / Delano
General OITP
23 years playing TV also
>