DT5770
Obsolete
1 Channel Digital MCA
Features
- Compact portable 16k Digital MCA
- Suited for high resolution Gamma Spectroscopy
- Support continuous and pulsed reset preamplifiers
- Software selectable coarse and fine gain
- DB9 connector for preamplifier power supply
- Features Pulse Height Analysis firmware for energy calculation
- Different acquisition modes available: PHA and signal inspector for an easy setup and signal monitoring
- USB and Ethernet communication interfaces
- Supported by MC2Analyzer software GUI for configuration, acquisition, and data plotting
Overview
The CAEN Mod.DT5770 is a compact portable 16k Digital MCA for Gamma Spectroscopy, integrating analog front-end with programmable gain and possible AC coupling. It is ideally suited for high energy resolution semiconductor detectors, like HPGe and Silicon, connected to a Charge Sensitive Preamplifier (CSP). The unit can also properly operate directly connected to a PMT with inorganic scintillators (e.g. Nal or Csl scintillators), provided exponential pulse shape and decay time above 200 ns.
The DT5770 is equipped with a FPGA featuring the real-time Digital Pulse Processing for Pulse Height Analysis (PHA) making the module a data acquisition system for Nuclear Physics and other applications involving radiation detection.
The DT5770 houses USB 2.0 and Ethernet interfaces. The module is powered by a provided external AC/DC power supply.
Two ways of operation are foreseen:
- Pulse Height Analysis (PHA): pulse height histogram (1k-2k-4k-8k-16k) built at board level.
- Oscilloscope: input and internal filters waveforms.
Software available
- PHA settings, acquisition and basic mathematical analysis are performed through the MC² Analyzer software GUI (Windows only), providing energy spectra in ASCII or N42.42 compliant files.
- CAEN provides moreover drivers for the supported communication links, DT5770 Upgrader tool and C libraries (CAENDPP library).
Technical Specifications
- Mechanical
- Dimensions
106 W x 38 H x 128 L mm³ (without connectors)
106 W x 38 H x 150 L mm³ (including connectors)Weight
300 g
- Environmental
0 – 50°C Temperature Range – EMC compliant
- Analog Input
Input Features - BNC connector
- Single ended, DC/AC coupled
- Both continuous and pulsed reset preamplifiers supported
- Impedance: 50 Ω / 1 k Ω (sw selectable)
- Positive and negative signals accepted
- Programmable 4-step analog coarse gain corresponding to 1.25 Vpp, 2.5 Vpp, 5 Vpp, 10 Vpp ranges
- Bandwidth: DC to 30 MHz
- Programmable fine gain: 1..100
- Programmable DC offset adjustment on the input in the full scale range
Number of Inputs 1
- TRP Features
Transistor Reset Preamplifier Support
- Selectable gains in the range [2:110] in 12 steps
- AC coupling software selectable (τshaperAC ~600ns)
- ADC
- Resolution: 14 bits
- Sampling rate: 150 MS/s
- Digital Signal Processing
- Manual and automated trigger threshold adjustment
- Manual and automated PoleZero cancellation; decay time up to 0.65 ms
- Digital decimation in programmable steps: 248
- Digital fine gain
- Pileup rejection and Live Time correction
- Baseline restorer with programmable averaging
- Adjustable moving average low pass filter to reduce the high frequency noise
- Preamplifier Power Supply
Preamp Features - DB9 connector
- ± 12 V, 100 mA output (DB9/pin4/pin9)
- ± 24 V, 50 mA output (DB9/pin6/pin7)
- Output voltage tolerance: 2%
- Voltage ripple < 5 mVpp
Extra Features - Aux. analog input: 0 ÷ 10 V (DB9/pin3)
- Ext. input for detector’s temperature readout (DB9/pin8)
Preamp Outputs
1
- Operating Modes
- Pulse Height Analysis (PHA): 16k-channel pulse height histogram internally built up; 1k-2k-4k-8k-16k rebin options at software level
- Oscilloscope mode for waveforms monitoring
- Trigger Modes
- Internal trigger
- External: channel is triggered by external trigger only (GP I/O 1 or GP I/O 2)
- Analog / Digital I/O
Connector Description Options GP I/O 1 (LEMO, TTL) GP I/O 2 (LEMO, TTL)
Digital Input - Zin = 50 Ω : Veto, Gate, Ext. Trigger, Reset.
- 22-Ω terminated: Trigger, Energy probe, Pile-up inhibit, Event rejected, Baseline suspended, Acquisition run/stop, SCA (COMING SOON), Clock.
GP I/O 2 (LEMO) Analog Output - 50-Ω terminated: Input signal, Fast Trapezoid, Trapezoid, Energy data, Baseline, Trapezoid – Baseline.
- Display
OLED display for online monitoring (e.g. ICR, dead time, measurement time)
- Communication interface
- Ethernet connection: 10/100BT
- USB: USB 2.0 compliant
- Firmware
Firmware can be upgraded via USB/Ethernet
- Software
- Fully controlled by MC² Analyzer spectroscopy Software
- For developers: general purpose C libraries with demo samples available
- Power Requirements
- Operating Supply Voltage
+5 VDCAbsolute Max. Rating
+5.5 VDCConsumptions (Typ. @ +5 VDC)
1.5 AThe module can be powered by an external AC/DC stabilized power supply included in the kit (5 VDC, 3.5 A)
Compare
Compare with Multi Channel Analyzers.
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Ordering Options
| Code | Description |
|---|---|
| WDT5770AXAAA | DT5770 - Digital MCA - 1 LVPS ±12V/100mA ±24V/50mA (Obsolete) RoHS |
Related Software
MC²Analyzer
Graphical software tool for digitizers running DPP-PHA firmware