Fast counting electronics for neutron coincidence counting

Patent · Tue Feb 10 04:00:00 EST 1987

OSTI ID:6726318

Swansen, J E

This patent describes a high speed circuit for accurate neutron coincidence counting comprising: neutron detecting means for providing an above-threshold signal upon neutron detection; amplifying means inputted by the neutron detecting means for providing a pulse output having a pulse width of about 0.5 microseconds upon the input of each above threshold signal; digital processing means inputted by the pulse output of the amplifying means for generating a pulse responsive to each input pulse from the amplifying means and having a pulse width of about 50 nanoseconds effective for processing an expected neutron event rate of about 1 Mpps: pulse stretching means inputted by the digital processing means for producing a pulse having a pulse width of several milliseconds for each pulse received form the digital processing means; visual indicating means inputted by the pulse stretching means for producing a visual output for each pulse received from the digital processing means; and derandomizing means effective to receive the 50 ns neutron event pulses from the digital processing means for storage at a rate up to the neutron event rate of 1 Mpps and having first counter means for storing the input neutron event pulses.

• Assignee: Dept. of Energy, Washington, DC
• Patent Number(s): US 4642466
• OSTI ID: 6726318
• Country of Publication: United States
• Language: English

Related Subjects

440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
AMPLIFICATION
COINCIDENCE CIRCUITS
COMPARATOR CIRCUITS
COMPUTERS
DATA PROCESSING
DETECTION
DIGITAL COMPUTERS
ELECTRONIC CIRCUITS
MEASURING INSTRUMENTS
MEMORY DEVICES
NEUTRON DETECTION
NEUTRON DETECTORS
PROCESSING
PULSE TECHNIQUES
PULSES
RADIATION DETECTION
RADIATION DETECTORS
SIGNALS
SYNCHRONIZATION