| 摘要 |
A multi-channel analyzer has a pulse conditioner coupled to a detector signal, a trigger circuit coupled to the detector signal, a signal processor coupled to the pulse conditioner, and the trigger circuit, a control circuit coupled to the signal processor, to the trigger circuit, and to the pulse conditioner, and a clock circuit coupled to the control circuit. The pulse conditioner filters, shapes and digitizes the detector signal, and generates a pulse data signal; and the trigger circuit detects pulses in the detector signal and generates a trigger signal. The signal processor performs pulse height analysis on the pulse data signal, and the trigger signal is used to determine a gross number of pulses detected by the trigger circuit. The signal processor also uses the trigger signal to detect pulse pileup. The control circuit is used to control the filtering, shaping and digitizing within the pulse conditioner, and is used to control timing within the pulse conditioner and within the signal processor. The clock circuit generates a clock signal, which the control circuit used to control the timing within the pulse conditioner signal processor.
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