CUBE - The CMOS Preamplifier for Radiation Detectors
CUBE is a low-noise CMOS preamplifier exclusively tailored for radiation detectors. The circuit, a Charge Sensitive Amplifier (CSA) operated in pulsed reset mode, is designed to offer the best noise performance at short peaking times enabling high-count rate measurements with excellent energy resolution.
- Availability: bare die or on custom assembly
- Physical size: 0.75 mm x 0.75 mm x 0.25 mm
- Detector capacitance compatibility: from <0.25 pF to 10 pF
- Reset mode: pulsed reset or continuous (with external resistor)
- Silicon Drift Detectors (SDD)
- Silicon PIN diode (Si-PIN)
- High Purity Germanium (HpGE), CZT and CdTE detectors
The Bruker Cube product is manufactured and sold under licenses from Politecnico di Milano (patents JP2012-172331, JP2012-172332) and Oxford Instruments (patents EP2710733B, GB2491111B, US9397626 and JP6441675)
CUBE Spectroscopic performance
|CUBE Version||Polarity||Detector capacitance [pF]||Feedback capacitance [fF]||ENC (CUBE only, 3.6 eV/e)||Main application|
|PRE_016||Negative (electrons)||< 0.25||25||3.3 e- @ 1 μs||Silicon Drift Detector (SDD)|
|PRE_031||Negative (electrons)||< 0.5||25||3.3 e- @ 1 μs||HpGe, CdTe or CZT|
|PRE_033||Negative (electrons)||<0.25||25||2.4e- @ 1us||Silicon Drift Detector (SDD)|
|PRE_037||Positive (holes)||< 0.70||25||4.0e- @1us||Si-PIN, HpGe, Strip or Pixelated detectors, X-ray application|
|PRE_038||Positive (holes)||0.50 - 3.00||50||12.3 e- @1us||Si-PIN, HpGe, Strip or Pixelated detectors, X-ray application|
|PRE_039||Positive (holes)||3.00-10.00||50||20.2e- @1us||Si-PIN, HpGe, Strip or Pixelated detectors, X-ray application|
|PRE_040||Negative (electrons)||0.50-3.00||50||12.4e- @1us||HpGe, CdTe or CZT, Strip or Pixelated detectors, X-ray application|
|PRE_041||Both (selectable)||3.00-10.00||500||57 e- @1us||HpGe, HpGe Cylindrical, CdTe or CZT, Strip, Hard X-ray or Gamma application|
|PRE_042||Both (selectable)||0.50-3.00||500||35.5 e- @1us||HpGe, HpGe Cylindrical, CdTe or CZT, Strip, Hard X-ray or Gamma application|
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