CAEN Nuclear Physics

 

CAEN Nuclear Physics

Package

 Desktop module, 154x50x164 mm3 (WxHxD), Weight 680 gr

Analog Input

 2/4 channels (MCX 50 Ohm)
Single-ended
Input range: 1 Vpp;
Bandwidth: 500 MHz.
Programmable DAC for Offset Adjust x ch., adjustment range: ±0.5V

Digital Conversion

 Resolution: 10 bit; Sampling rate: 200 to 1000 MS/s simultaneously on each channel; multi board synchronization

ADC Sampling Clock generation

 Three operating modes:
- PLL mode - internal reference (50 MHz loc. oscillator).
- PLL mode - external reference on CLK_IN (±100ppm tolerance).
- PLL Bypass mode: Ext. clock on CLK_IN drives directly ADC clocks (Freq.: 200 to 1000 MS/s).

Digital I/O

 CLK_IN (AMP Modu II):
- AC coupled differential input clock LVDS, ECL, PECL, LVPECL, CML
(single ended NIM/TTL available )
- Jitter<100ppm
TRG_IN (LEMO 50 Ohm, NIM/TTL)
GPI/GPO (LEMO 50 Ohm, NIM/TTL)

Memory Buffer

 1.835M sample/ch; Multi Event Buffer with independent read and write access. Programmable event size and pre-post trigger. Divisible into 1 ÷ 1024 buffers. Readout of Frozen buffer independent from write operations in the active buffer (ADC data storage)

Trigger

 Common Trigger
- TRG_IN (External signal)
- Software (from USB or Optical Link)
- Self trigger (Internal threshold auto-trigger)
Daisy chain trigger propagation among boards (using GPO)

Trigger Time Stamp

 32bit – 4ns (34s range)

USB interface

USB2.0 compliant
Up to 30 MB/s transfer rate

Optical Link

CAEN proprietary protocol, up to 80 MB/s transfer rate,
Daisy chainable: it is possible to connect up to 8/32 ADC modules to a single Optical Link Controller (Mod. A2818/A3818).

Upgrade

Firmware can be upgraded via Optical Link or USB interface

Multi Modules Synchronization

Allows data alignment and consistency across multiple modules:
- CLK_IN allows the synchronization to a common clock source
- GPI ensures Trigger time stamps and start acquisition times alignment

Electrical Power

 Voltage range: 12 ± 10% Vdc

Software

General purpose C and LabView Libraries
Demo and Software Tools for Windows and Linux