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MEASUREMENT / DPP・MCA

Waveform Analyzer

A multifunction multichannel analyzer that digitizes pre-shaping waveforms directly, capturing the sensor's pulse response characteristics as data.

PHOTO

Product Photos

Waveform analyzer unit
LINEUP

Lineup

Choose the model that fits your measurement scenario: a general-purpose waveform analyzer, a waveform analyzer dedicated to BNCT applications, or an extension MCA that allows a compact head amplifier with high-voltage output to be used over long cable runs of 10 m or more. See SPECIFICATIONS for details.

Waveform Analyzer (General-Purpose 4ch MCA)

ZMCAX-CH04-01 / ZMCAP-CH04-01 / ZMCAN-CH04-01 unit
  • ModelZMCAX-CH04-01 / ZMCAP-CH04-01 / ZMCAN-CH04-01
  • ApplicationConfigured to function as a standard Multi Channel Analyzer (MCA)
  • Signal channelsFour independent signal channels, supporting coincidence and correlation measurements between channels
  • Pulse shape discriminationPulse shape discrimination is possible by measuring pulse height and rise/decay times. Waveform analysis is fully digital, allowing arbitrary window settings
  • High-voltage biasEach signal channel has a high-voltage bias supply for photomultiplier tubes and semiconductor detectors, allowing bias voltage control during waveform analysis (the ZMCAX has no bias supply)
  • PriceContact us

Waveform Analyzer (General-Purpose 2ch MCA)

ZMCAX-CH02-01 / ZMCAP-CH02-01 / ZMCAN-CH02-01 unit
  • ModelZMCAX-CH02-01 / ZMCAP-CH02-01 / ZMCAN-CH02-01
  • ApplicationConfigured to function as a standard Multi Channel Analyzer (MCA)
  • Signal channelsTwo independent signal channels, supporting inter-channel coincidence and correlation measurements
  • Pulse shape discriminationPulse shape discrimination by measuring pulse height and rise/decay times. Fully digital waveform analysis allows arbitrary window settings
  • High-voltage biasEach signal channel has a built-in high-voltage bias supply for photomultiplier tubes and semiconductor detectors, allowing bias voltage control during waveform analysis (ZMCAX has no bias supply)
  • PriceContact us

Waveform Analyzer (4ch MCA for BNCT)

ZMCAX-CH04-02 / ZMCAP-CH04-02 / ZMCAN-CH04-02 unit
  • ModelZMCAX-CH04-02 / ZMCAP-CH04-02 / ZMCAN-CH04-02
  • ApplicationConfigured to function as a neutron measurement system when combined with a LiCAF detector
  • Signal channelsEquipped with four independent signal channels
  • Neutron countingCounts neutrons in real time using peak search and Gaussian fitting functions, in addition to waveform discrimination based on pulse height and rise time
  • High-voltage biasEach signal channel is equipped with a high-voltage bias supply for photomultiplier tubes, allowing the bias voltage to be controlled during waveform analysis (ZMCAX has no bias supply)
  • PriceContact us

Waveform Analyzer (2ch MCA for BNCT)

ZMCAX-CH02-02 / ZMCAP-CH02-02 / ZMCAN-CH02-02 unit
  • ModelZMCAX-CH02-02 / ZMCAP-CH02-02 / ZMCAN-CH02-02
  • ApplicationConfigured to function as a neutron measurement system when combined with a LiCAF detector
  • Signal channelsTwo independent signal channels
  • Neutron countingCounts neutrons in real time using peak search and Gaussian fitting, in addition to waveform discrimination based on pulse height and rise time
  • High-voltage biasEach signal channel has a high-voltage bias supply for photomultiplier tubes, allowing bias voltage control during waveform analysis (the ZMCAX has no bias supply)
  • PriceContact us

Waveform Analyzer (4ch MCA for Extension)

ZMCAX-CH04-03 unit
  • ModelZMCAX-CH04-03
  • ApplicationConfigured in combination with extension amplifier products. Enables measurement at locations up to 50 m away
  • Signal channels4ch. Connects to the amplifier via RJ45 connectors
  • Waveform analysisEquivalent to a general-purpose waveform analyzer
  • High-voltage biasHas no high-voltage bias output of its own; instead controls the high-voltage bias generator built into the extension amplifier
  • PriceContact us

Waveform Analyzer (2ch MCA for Extension)

ZMCAX-CH02-03 unit
  • ModelZMCAX-CH02-03
  • ApplicationUsed in combination with extension amplifier products. Enables measurement at locations up to 50 m away
  • Signal channels2ch. Connects to the amplifier via RJ45 connector
  • Waveform analysisEquivalent to the general-purpose waveform analyzer
  • High-voltage biasHas no high-voltage bias output of its own; controls the high-voltage bias generator built into the extension amplifier
  • PriceContact us
SPECIFICATIONS

Specifications

General-Purpose Waveform AnalyzerWaveform Analyzer for BNCTWaveform Analyzer (Extension MCA)
Model No.
Signal channels4ch (BNC)*14ch (BNC)*14ch (RJ45)*1
High-voltage bias output200V ~ 1200V*2200V ~ 1200V*2None (built into amplifier)
Input voltage range±10V (at 50kΩ input impedance)±10V (at 50kΩ input impedance)±1V (50Ω input impedance)
Amplifier gainCoarse gain: 8 steps (x1–x128) / Fine gain: 256 steps (x0–x4)*3Coarse gain: 8 steps (x1–x128) / Fine gain: 256 steps (x0–x4)*3Coarse gain: 8 steps (x1–x128) / Fine gain: 256 steps (x0–x4)*3
DiscriminatorPulse height LLD/ULD / Time LLD/ULDPulse height LLD/ULD / Time LLD/ULDPulse height LLD/ULD / Time LLD/ULD
Filters5 levels (digital low-pass filter) / Decimation filter / Digital trapezoidal filter5 levels (digital low-pass filter) / Decimation filter / Digital trapezoidal filter5 levels (digital low-pass filter) / Decimation filter / Digital trapezoidal filter
Offset adjustment256 steps256 steps256 steps
ADC polarityBipolarBipolarBipolar
ADC resolution16384 (14bit)16384 (14bit)16384 (14bit)
Sampling rate100M samples/s100M samples/s100M samples/s
Trigger input1ch (BNC connector)1ch (BNC connector)None
Power supplyAC adapter (5V/3A)AC adapter (5V/3A)AC adapter (5V/3A)
Weight1300g1300g1300g
Dimensions(W) 190 x (H) 84 x (D) 200 mm (excluding protrusions)(W) 190 x (H) 84 x (D) 200 mm (excluding protrusions)(W) 190 x (H) 84 x (D) 200 mm (excluding protrusions)
Operating temperature0 ℃ to 30 ℃ (non-condensing)0 ℃ to 30 ℃ (non-condensing)0 ℃ to 30 ℃ (non-condensing)
CommunicationEthernet (Supported OS: Windows10 [32/64bit], Windows11)Ethernet (Supported OS: Windows10 [32/64bit], Windows11)Ethernet (Supported OS: Windows10 [32/64bit], Windows11)
Measurement functionsList mode output / Oscilloscope function / Graph plottingHistogram output / Count rate output / Oscilloscope function / Graph plottingList mode output / Oscilloscope function / Graph plotting
Shipping startSeptember 2021March 2022Made to order
  • *1Number of channels can be changed when ordering: 2 or 4
  • *2Polarity specified when ordering: none/positive/negative
  • *3Accuracy not guaranteed below x1
TECHNOLOGY

Waveform Processing and Discrimination

A DPP (Digital Pulse Processing) approach that directly digitizes raw waveforms before shaping. Conventional MCAs detect peaks after shaping pulses with a shaping amplifier, so two piled-up pulses are easily miscounted as a single signal. Because ANSeeN Digital MCA analyzes the waveform itself, it can correctly separate pile-up into two pulses.

Comparison of pile-up handling between ANSeeN Digital MCA and Conventional MCA
FEATURE

Features

  • Event measurement mode for advanced analysisA measurement mode that records not only the pulse height but also the rise time and timestamp of each individual pulse. Event data can be exported to text files and used for a variety of analyses, such as coincidence measurement and two-dimensional histograms.
    Diagram of extracting an event list (InputChannel, PulseHeight, RiseTime, Timestamp) from waveforms
  • Highly flexible analog front endGain is adjustable from 1/64x to 128x, covering a wide range of inputs. Input impedance can be switched in four steps from 50Ω to 50kΩ. The automatic offset adjustment function sets the target level with a single button (baseline restoration). Polarity inversion in digital processing supports both polarities. The conditioned signal is then digitized by the ADC and passed to each measurement mode, such as event measurement mode.
    Diagram of amplifying the input signal and restoring the baseline
  • Histogram measurement mode for high count ratesEquipped with a fast hardware-based pulse height histogram function that handles high count-rate input. Measurement is possible even at 10Mcps per signal channel, and two-dimensional histograms of pulse height versus pulse rise time are also supported.
    Spectrum measurement screen of ANSPECT for ZMCA-01 (ROI settings, energy calibration, pulse height spectrum display)
    Two-dimensional histogram of pulse height and pulse rise time
  • Oscilloscope mode for viewing input waveforms from the control PCOscilloscope mode lets you observe input waveforms in software on the control PC, making it easy to adjust measurement conditions.
    Control software screen in oscilloscope mode
  • Versatile digital filtersA 5-level digital low-pass filter (simple moving average filter) reduces random noise. The decimation filter can reduce the sampling rate to between 1/4 and 1/100, enabling pulse height analysis of slow-rising pulse waveforms.
    Settings screen for the digital waveform filter (Trapezoidal Filter)
  • Independent high-voltage bias supply for each signal channelA built-in high-voltage bias supply for photomultiplier tubes and semiconductor detectors simplifies measurement setup. ON/OFF and output voltage can be changed independently for each signal channel from the software, so the unit can also serve as a remotely controllable high-voltage bias supply without using the measurement functions (polarity selected when ordering).
  • Network-readyThe MCA connects to the control PC via LAN. Remote connection through LAN hubs or routers is also possible, allowing use in inaccessible measurement environments or at remote sites.
    Configuration of a remote measurement system connecting the detector and source in a shielded room to the control PC in the operating room via LAN
USE CASE

Application Example

Direct connection of LiCAF + PMT: a simple measurement system can be built around this product. Because the input impedance and gain are variable, the PMT output can be connected directly to the product's signal input. The bias voltage for the PMT can also be supplied by this product, so simply connecting a control PC completes the measurement system.

Photo of a measurement setup connecting the Control PC, MCA and LiCAF+PMT

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