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MCA527

发布时间:2017-03-30浏览次数:241
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  MCA527

  Digital Miniature Multi Channel Analyzer

  The MCA527 is a battery powered high performance 16K Multi-Channel Analyzer/Multi-Channel Scaler module with the performance of a laboratory grade MCA. High voltage supply for detector and preamplifier power supply are integrated as well as an internal coarse amplifier and digital filter. Together with a detector it forms a small-size gamma spectroscopy system, which is well suited to the demands of field measurements for international safeguards, environmental monitoring, nuclear waste treatment facilities, radioactive transport control and similar applications.

  The MCA527 is a battery powered high performance 16K Multi-Channel Analyzer/Multi-Channel Scaler module with the performance of a laboratory grade MCA. High voltage supply for detector and preamplifier power supply are integrated as well as an internal coarse amplifier and digital filter. Together with a detector it forms a small-size gamma spectroscopy system, which is well suited to the demands of field measurements for international safeguards, environmental monitoring, nuclear waste treatment facilities, radioactive transport control and similar applications.

  Amplifier

  Hardware-based coarse amplifier with 5 discrete gain steps

  Input DC coupled, offset adjustable and depending on polarity of input signal.

  Linearity better than 0.1%.

  Input voltage range ±12V

  Digital signal processing

  Double differential trigger filter, or single differential low energy low count rate trigger filter, special slow trigger filter to support slow scintillation detectors as CsI or SrI.

  Pile-up-suppression, pulse pair resolution ~400ns, depending on trigger filter.

  Automated and manual adjustment of trigger threshold.

  Shaping time adjustable in the range 0.1 – 25.5μs.

  Flat top adjustable 0 – 15μs.

  Maximum number of channels: 16K

  Differential non-linearity <1% for 4K resolution and 1μs shaping time.

  Modes of operation

  • PHA (pulse height analysis), result is a histogram of pulse height.

  • MCS (multi channel scaling): registers number of counts in subsequent time intervals. MCS mode allows to acquire an integral PHA spectrum in parallel to the MCS acquisition.

  • Gated operation: gated events (e.g. light pulses) are collected in a second spectrum and can be used for stabilization. Also applicable with anticoincidence setups.

  • Extended gated operation: events are collected in up to eight spectra according to the time elapsed since the last gating signal.

  • Sample mode: Input signal is recorded without processing, similar to an oscilloscope.

  • Autonomous repeat mode: makes series measurements and stores them in up to 32GB (FAT32 μSD card) internal non volatile memory.


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