Chickadee-32

32 Channel Digitizer

The CHK-32 is a high performance data acquisition system with embedded Linux. Standard GammaSphere firmware has been ported to this digitizer. It is serving all 32 channels. The firmware can also integrate the HPGe signal with several running windows, in order to perform pole-zero compensation of the RC-reset preamplifier signal.

GammaSphere BGO scintillators are also served with the same firmware. Other scintillators can be used as well: CsI(Tl), NaI(Tl), LYSO, or BC400. Sub-nanosecond time resolution can be achieved with the latter.

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Channel Count	10
Bit Resolution	14
Sampling Frequency (MHz)	100 / 250
Analog Inputs	LEMO (Max 2Vpp input)
Waveform Length	Up to: 81.92 μs (100MHz), 32.7 us (250MHz)
Trigger Modes	Hit Pattern, Multiplicity
Real-Time Pulse Processing	4-part pulse integration, Pulse height, Trigger height, Timestamping
Data Products	Waveforms, Histograms (in-firmware), Pulse Summaries Additional customization available on a contract-basis
Analog Outputs	Arbitrary Waveform Generator (LEMO) Filter Output (LEMO)
Readout Options	Internal Storage (future: 1 Gbps streaming ethernet)
Physical Dimensions (cm)	20.3 x 25.4 x 7.0
Weight (kg)	1.35
Form Factor	Benchtop
Digital I/O	4 LEMO Input 4 LEMO Output
Synchronization	Sync Timestamp Input (ideal for White Rabbit or GPS pulse-per-second) External Clock Input
Computer Interfaces	USB and Mini-USB Serial barrel jack Gigabit Ethernet
Detector Bias	10-90V, 4mA
Power	5V DC Barrel Jack
User Interface	Easy-to-use Web-based interface (no installation required!)
API	Full-function C API Bash Utilities for Quick Operation
Operating System	Embedded Linux

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Chickadee-32

Chickadee-32

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