title: Low-cost digital system for control of a retarding potential energy analyzer.
abstract: A simple, low-cost digital system is described which is used in conjuction with a conventional retarding potential analyzer to measure the energy distribution of the electrons in a beam.
authors.affiliation: Department of Physics, Rice University, Houston, Texas 77001, USA.
authors.forename: A R
authors.initials: AR
authors.lastname: Harrison
authors.forename: L A
authors.initials: LA
authors.lastname: Hodge
authors.forename: A H
authors.initials: AH
authors.lastname: Mahan
authors.forename: F B
authors.initials: FB
authors.lastname: Dunning