Hi Tal Try these http://www.elantec.com/pages/pdf/d42009.pdf http://www.geocities.com/IECMaster/circuits1/cir_rfv030.html Dave > when distributing one video signal to more then one amplifier using hi-freq > Operational Amplifier, do I need to distribute as well the inputs for all > opamps or just connect them all together? -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body