It all depends on the brand and if 'commercial' or not. A Grass Valley (dont remember the model) tested is 3db down starting around 25 MHz. I have also seen others that have a LP filter option installed on the input module.
-pete On Tue, Aug 21, 2012 at 9:54 AM, Chris Albertson <albertson.ch...@gmail.com> wrote: > I bought a eBay video distribution amp. The bandwidth was not as good as > I liked but for some reason the opamps were run off +/- 12 volts. Raising > the power to +/- 18V greatly improved the performance of the amp. Many > video amp assume the signal to 6MHz bandwidth might not be ideal. But on > the other hand some old studio equipment is grossly over engineered and > might be very good for 10Mhz distribution. The good news is the today > analog video amps are cheap as dirt as no one wants analog video. > > > > > On Tue, Aug 21, 2012 at 7:17 AM, BD Systems Inc. <bdsy...@yahoo.com> wrote: > >> Use an analog video distribution amplifier (Grass Valley Group, Leitch, >> Ross Video etc). These have between 6 to 8 outputs and will provide a >> reference to various test equipment. >> >> >> From: "time-nuts-requ...@febo.com" <time-nuts-requ...@febo.com> >> To: time-nuts@febo.com >> Sent: Tuesday, August 21, 2012 6:00 AM >> Subject: time-nuts Digest, Vol 97, Issue 60 >> >> Send time-nuts mailing list submissions to >> time-nuts@febo.com >> >> To subscribe or unsubscribe via the World Wide Web, visit >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> or, via email, send a message with subject or body 'help' to >> time-nuts-requ...@febo.com >> >> You can reach the person managing the list at >> time-nuts-ow...@febo.com >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of time-nuts digest..." >> >> >> Today's Topics: >> >> 1. Thunderbolt distribution amplifier needed. (Chris Wilson) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Tue, 21 Aug 2012 11:44:17 +0100 >> From: Chris Wilson <ch...@chriswilson.tv> >> To: "time-nuts@febo.com" <time-nuts@febo.com> >> Subject: [time-nuts] Thunderbolt distribution amplifier needed. >> Message-ID: <5746920.20120821114...@chriswilson.tv> >> Content-Type: text/plain; charset=windows-1252 >> >> >> >> 21/08/2012 11:40 >> >> Can anyone please link specifically to a suitable distribution amp for >> my TB please, either here if it's allowed, or by e-mail to me at >> ch...@chriswilson.tv ? Cost is a factor, and I am in the UK. An Ebay >> purchase would be painless. I feel it would be really easy for someone >> as daft as me to buy something totally unsuitable. I want to run David >> Partridge's divider board and have enough 10MHz signalleft to run other >> stuff as well, David recommended I run the amp between the TB and his >> divider. Cheers. >> >> -- >> Best Regards, >> Chris Wilson. >> mailto: ch...@chriswilson.tv >> >> >> >> >> ------------------------------ >> >> _______________________________________________ >> time-nuts mailing list >> time-nuts@febo.com >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> >> End of time-nuts Digest, Vol 97, Issue 60 >> ***************************************** >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > > > -- > > Chris Albertson > Redondo Beach, California > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.