Noise analysis of 16 channel charge sensitive amplifier for poly CZT

Sun Woo Yuk, Kihyun Kim, Sun Ung Kim, Yun Yi

Research output: Contribution to journalConference article

Abstract

A 16 channel integrated circuit charge sensitive preamplifier (CSA) has been developed for an X-ray detector module that uses a 16 linear array of Poly CZT. The polycrystalline CdZnTe:Cl thick films used in this experiment have 1.2×1010Ωcm in resistivity, 150um in thickness. The main performances of the CSA for this Poly CZT are the following: the input equivalent noise charge is 300 e- rms at peaking time 200ns, the highest gain is 10mV/fC, the peaking time is adjustable between 50ns and 300us by external passive components. The noise simulation yielded ENC values of 50e- and 250e- for thermal and 1/f noise, respectively. The design was fabricated in standard 0.35um CMOS technology and the circuit occupies an area of 4× 4mm2 and dissipates 2mW per channel from a 3.3V single power supply.

Original languageEnglish
Pages (from-to)1373-1377
Number of pages5
JournalIEEE Nuclear Science Symposium Conference Record
Volume3
Publication statusPublished - 2004 Dec 1
Event2004 Nuclear Science Symposium, Medical Imaging Conference, Symposium on Nuclear Power Systems and the 14th International Workshop on Room Temperature Semiconductor X- and Gamma- Ray Detectors - Rome, Italy
Duration: 2004 Oct 162004 Oct 22

Fingerprint

Noise
amplifiers
preamplifiers
Electric Power Supplies
Hot Temperature
X-Rays
linear arrays
high gain
Technology
power supplies
thick films
integrated circuits
CMOS
modules
electrical resistivity
detectors
x rays
simulation
CdZnTe

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

Cite this

Noise analysis of 16 channel charge sensitive amplifier for poly CZT. / Yuk, Sun Woo; Kim, Kihyun; Kim, Sun Ung; Yi, Yun.

In: IEEE Nuclear Science Symposium Conference Record, Vol. 3, 01.12.2004, p. 1373-1377.

Research output: Contribution to journalConference article

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