Revision as of 13:02, 13 July 2014 by Kurt(talk | contribs)(Created page with "The Tektronix A6501 is a buffer amplifier. * input impedance: 1 megohm. * output imepedance: 50 ohms. * voltage gain: 0.1. * frequency range: DC - 1GHz <gallery> File:Tek a6...")