Dynamic pulse difference circuit
Patent
·
OSTI ID:863141
- Richland, WA
A digital electronic circuit of especial use for subtracting background activity pulses in gamma spectrometry comprises an up-down counter connected to count up with signal-channel pulses and to count down with background-channel pulses. A detector responsive to the count position of the up-down counter provides a signal when the up-down counter has completed one scaling sequence cycle of counts in the up direction. In an alternate embodiment, a detector responsive to the count position of the up-down counter provides a signal upon overflow of the counter.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- DOE Contract Number:
- E(45-1)-1857
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4103148
- OSTI ID:
- 863141
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
dynamic
pulse
difference
circuit
digital
electronic
especial
subtracting
background
activity
pulses
gamma
spectrometry
comprises
up-down
counter
connected
count
signal-channel
background-channel
detector
responsive
position
provides
signal
completed
scaling
sequence
cycle
counts
direction
alternate
embodiment
overflow
channel pulse
electronic circuit
alternate embodiment
detector responsive
digital electronic
channel pulses
/377/250/
pulse
difference
circuit
digital
electronic
especial
subtracting
background
activity
pulses
gamma
spectrometry
comprises
up-down
counter
connected
count
signal-channel
background-channel
detector
responsive
position
provides
signal
completed
scaling
sequence
cycle
counts
direction
alternate
embodiment
overflow
channel pulse
electronic circuit
alternate embodiment
detector responsive
digital electronic
channel pulses
/377/250/