video distribution buffer/amplifier

[Maxwell]

Hi,
I am looking for a simple circuit to feed baseband video to two TV sets from
a vcr's baseband video output. Something like a video distribution
buffer/amplifier with two outputs.. Can anyone help with a circuit or
recommend a common chip which will do the job... Max

 

[repatch]

Have you tried just connecting the two TVs to the one output? Chances are it
would work "well enough" for your purposes. If you REALLY need to buffer it
then a pair of op amps would do, just look for one with a unity gain freq of
above 6MHz, since you don't need to amplify you don't need much more
bandwidth (although a little higher would be advised to ensure as little
phase shift as possible, a phase shift will mess with the colours). TTYL

"Maxwell" <riggdm@hotmail.com> wrote in message
news:8%Q9b.1367$U74.79422@news.optus.net.au...

Hi,
I am looking for a simple circuit to feed baseband video to two TV sets
from
a vcr's baseband video output. Something like a video distribution
buffer/amplifier with two outputs.. Can anyone help with a circuit or
recommend a common chip which will do the job... Max

 

Maxwell wrote:

Hi,
I am looking for a simple circuit to feed baseband video to two TV sets from
a vcr's baseband video output. Something like a video distribution
buffer/amplifier with two outputs.. Can anyone help with a circuit or
recommend a common chip which will do the job... Max

Maxim do several chips. Free samples can be requested and delivered in about a week.
The MAX4217 is single rail, +5V, dual amplifier, gain +2, -3dB BW = 230MHz.
Mind you, the package is pretty small, I hope you've got good eyesight.

--

David

 

[Carl Ranson]

Nov 2001 silicon chip had a kit. not sure who sells it.

"Maxwell" <riggdm@hotmail.com> wrote in message
news:8%Q9b.1367$U74.79422@news.optus.net.au...

Hi,
I am looking for a simple circuit to feed baseband video to two TV sets
from
a vcr's baseband video output. Something like a video distribution
buffer/amplifier with two outputs.. Can anyone help with a circuit or
recommend a common chip which will do the job... Max