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IDEAS > Readout Modules
PRODUCTS IDEAS > Readout Modules
uIDM256A
Detectors
Application
Number of inputs
CZT
Gamma ray cameras
256

uIDM256A

350keV CZT Gamma Ray Read-out Module
 
 uIDM256 with CZT detector attached.

The micro-IDM compact gamma ray detector readout module makes use of room temperature Cadmium-Zinc-Telluride (CZT) semi-conductors and features 256 spectroscopic pixels (or channels). Each channel has amplification and trigger circuitry implemented in application specific integrated circuits (ASICs).

The ASIC amplifies and samples the analog signal when the input signal is above a user programmable threshold. The trigger signal, the address of the triggered channel and the charge signal is then available at the at the output interface. The output self-resets after a predetermined time.

The uIDM256A allows for gamma ray energy measurements up to 350 keV. The module has been measured to with a Co-57 source and at room temperature. The Co-57 photo-peak at 122 keV has 5.4 keV full-width-half-maximum (FWHM) energy resolution.

The modules can be arranged to create gamma ray cameras of different geometries. Typical applications include arrays of uIDM256 modules, creating a larger imaging array. The module has two M2 threaded holes for mounting. The module has two electrical connectors, which allows for mounting on a carrier board.

The detector modules are insensitive to magnetic fields and can be operated in vacuum/space.

The module can also be delivered with two types of CZT detectors: uIDM256A-CZT25.6 for a 25.6 mm x 25.6 mm CZT crystal and uIDM256A-CZT40 for a 40 mm x 40 mm CZT crystal.

The uIDM256 is also available in a 700 keV-charge range version: uIDM256B

Carrier boards for multiple uIDM256 modules can be delivered, contact IDEAS for more information.

Product Features

Detectors CZT
Application Gamma ray cameras
Number of inputs 256
Input charge range 0 keV to 350 keV
Energy resolution 5% FWHM at 122 keV
Trigger threshold Programmable
Outputs Energy and triggered channel
Power consumption 250 mW
Dimensions 25.6 mm x 25.6 mm x 10 mm