Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site decwrl.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxb!mhuxn!mhuxm!mhuxj!houxm!vax135!cornell!uw-beaver!tektronix!decvax!decwrl!dec-rhea!dec-kirk!williams From: williams@kirk.DEC (John Williams 223-3402) Newsgroups: net.physics Subject: Amplifiers driving low impedance Message-ID: <530@decwrl.UUCP> Date: Mon, 11-Feb-85 13:21:33 EST Article-I.D.: decwrl.530 Posted: Mon Feb 11 13:21:33 1985 Date-Received: Wed, 13-Feb-85 04:44:29 EST Sender: daemon@decwrl.UUCP Organization: DEC Engineering Network Lines: 11 To the person questioning what kind of amplifiers would be necessary to drive the primary of a tesla coil: 50Khz to 500Khz? Easy. Power transistors can easily handle that. Bias a couple of darlingtons in totem pole, and drive them with an op-amp. Mount the power components on bulk metal to sink the heat. It is well within their frequency response. John Williams