Fast low-noise charge preamplifier. [For Si surface barrier detectors]
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:7256782
A wideband low-noise charge preamplifier was designed for energy and time spectroscopy with silicon surface barrier detectors. With a 0 pF detector capacitance the rise time is less than 4 ns, and the noise is 1.4 keV at 2 ..mu..s. With a 1000 pF detector capacitance the rise time is 19 ns, and the noise is 15.9 keV. FWHM time resolution values as low as 90 ps for 1 MeV signals are possible. A detailed investigation of factors affecting transient response is given. Root locus techniques are used to study loop transient response, and the problems with cable connection at the input are considered using transmission line theory.
- Research Organization:
- ORTEC Inc., Oak Ridge, TN
- OSTI ID:
- 7256782
- Conference Information:
- Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: NS-24:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
AMPLIFIERS
ELECTRONIC EQUIPMENT
MEASURING INSTRUMENTS
NOISE
PERFORMANCE
PREAMPLIFIERS
PULSE RISE TIME
RADIATION DETECTORS
RESOLUTION
SEMICONDUCTOR DETECTORS
SI SEMICONDUCTOR DETECTORS
SURFACE BARRIER DETECTORS
TIME RESOLUTION
TIMING PROPERTIES
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
AMPLIFIERS
ELECTRONIC EQUIPMENT
MEASURING INSTRUMENTS
NOISE
PERFORMANCE
PREAMPLIFIERS
PULSE RISE TIME
RADIATION DETECTORS
RESOLUTION
SEMICONDUCTOR DETECTORS
SI SEMICONDUCTOR DETECTORS
SURFACE BARRIER DETECTORS
TIME RESOLUTION
TIMING PROPERTIES