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Proportional Counter Circuitry Summary |
PROPORTIONAL COUNTER CIRCUITRY
Radiation Detectors
By using a discriminator,the scaler
Figure 12 Discriminator
can be set to read only the larger
pulses produced by the neutron. A
discriminator is basically a single
channel analyzer with only one
setting. Figure 12 illustrates the
operation of a discriminator.
If the discriminator is set at 2
volts, then any input pulse > 2
volts causes an output pulse.
Figure 13 shows a typical circuit
used to measure neutrons with a
BF3 proportional counter.
Figure 13 BF3 Proportional Counter Circuit
IC-06
Page 26
Rev. 0
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