Radiation DetectorsPROPORTIONAL COUNTER CIRCUITRYPROPORTIONAL COUNTER CIRCUITRYProportional counters measure different types of radiation.EO 2.2 Given a block diagram of a proportional counter circuit,STATE the purpose of the following major blocks:a. Proportional counterb. Preamplifier/amplifierc. Single channel analyzer/discriminatord. Scalere. TimerProportional counters measure the charge produced by each particle of radiation. To make fulluse of the counter’s capabilities, it is necessary to measure the number of pulses and the chargein each pulse. Figure 9 shows a typical circuit used to make such measurements.Figure 9 Proportional Counter CircuitRev. 0 Page 23 IC-06
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