Burst-mode readout for solid state radiation detectors using...

Details Burst-mode readout for solid state radiation detectors using... Burst-mode readout for solid state radiation detectors using...

2005-06-24

2011-12-13

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

Reexamination Certificate

active

08076646

ABSTRACT:
A partitioned pipeline read-out circuit architecture eliminates real-time constraints from off-chip read-out control electronics in a solid-state radiation detector system, so that an efficient decoupled architecture is possible. The front-end electronics includes a multi-channel ASIC with independently triggered charge sensitive pre-amplifiers, shaper circuits, and switched sample-and-hold capacitor circuits for each photodiode or pixel of the detector module. With this structure, individual photodiodes of the photodetector array can detect and store scintillation events independently and randomly. The ASIC is interfaced to an external successive approximation A/D converter for conversion and subsequent input to a data processing apparatus.

REFERENCES:
patent: 4767929 (1988-08-01), Valentine
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patent: 5323006 (1994-06-01), Thompson et al.
patent: 6303943 (2001-10-01), Yu et al.
patent: 2002/0145115 (2002-10-01), Nygard et al.
patent: 2003/0105397 (2003-06-01), Tumer et al.

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