SINGLE-CHANNEL PRINTING SCALER FOR PHOTON COUNTING.

G. J. Perreault*, R. E. Cookingham, J. P. Spoonhower, A. Lewis

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A device is described which counts pulses and generates serial code to punch a paper tape and produce formatted count listings on a Teletype. The digital counting mode employed by the printing scaler makes it ideal for photon counting or other event recording applications in spectroscopy. The count capacity is 5 digits (99 999 if decimal; 1 048 575 if hexadecimal). Provision is made to record initialization and overflow flags and two optional external flags. A data latch is included to allow simultaneous counting and printing for minimum dead time; the maximum print rate is 1 data point per sec on a 110 baud terminal. ″Initialize″ and ″enable″ signals must be supplied by external circuitry, such as a spectrometer timing and stepping control system. A ″done″ pulse is supplied by the printing scaler for use in external circuitry if desired.

Original languageEnglish
Pages (from-to)614-620
Number of pages7
JournalApplied Spectroscopy
Volume30
Issue number6
DOIs
StatePublished - 1976

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