Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!lll-winken!elroy.jpl.nasa.gov!sdd.hp.com!hplabs!hpl-opus!hpnmdla!jimd From: jimd@hpnmdla.sr.hp.com (Jim Dyer) Newsgroups: sci.electronics Subject: Ultrasonics info Message-ID: <7380034@hpnmdla.sr.hp.com> Date: 6 Jun 91 17:14:36 GMT Organization: HP Network Measurements Div, Santa Rosa, CA Lines: 13 Help! I'm looking for info on ultrasonics(in the >90db range): good sources of general information transducers, types & availability frequency & power ranges commonly available good supply companies I have an idea that I've wanted to experiment with for several years, but have lacked the time and info to get on with it. Jim Dyer jimd@sr.hp.com