Re: Noise when using Modulator & Catv

"Bdog" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> I'm trying to modulate my camera and a vcr using a three channel modulator
> from
>
http://www.partsexpress.com/pe/showdetl.cfm?&User_ID=16133629&St=3293&St2=49720789&St3=81068843&DS_ID=3&Product_ID=4369&DID=7
> I'm having problems though.  I have everything hooked up about 4 feet into
> the house and then combined and then sent to the remaining of the house.
If
> I hook the modulator up without using the combiner and just send it
> throughout the house it looks great and clear.  The cable is the same,
looks
> good by itself.  The minute I hook up the combiner everything goes to
hell.
> The modulated channel is super fuzzy(ch 83) but the cable looks decent.
> I've tried a booster on the output of the modulator to the combiner and
> really didn't help and also tried the booster after the combiner with the
> same results.  I'm using a radioshack combiner/splitter and have tried a
> Magnavox splitter also.  The problem seems to be in the combiner but don't
> know how to fix it.  Any suggestions?  I thought the modulator wouldn't
have
> this problem?
>
> Thanks,
>
> Barclay
>
>

The cable system may be using channel 83 for a digital signal, and that is
interfering with your modulated channel. You need to filter out any cable
signals on the channel you want to use before inserting your modulated
channel.