General-purpose timer from transistor logic to auxiliary equipment

C. H. Ludmer*, J. F. Disterhoft

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


This paper describes a low-cost circuit for the control and timing of auxiliary experimental equipment by a variety of signals from 5 V, integrated-circuit logic. The circuit is designed for variable timing and switching up to 240 AC V at 3 A, with two independent timing parameters, delay and duration, in response to positive-going or to negative-going logic signal transitions.

Original languageEnglish (US)
Pages (from-to)713-715
Number of pages3
JournalElectroencephalography and Clinical Neurophysiology
Issue number5
StatePublished - May 1977

ASJC Scopus subject areas

  • Clinical Neurology
  • General Neuroscience


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