Evaluation of fast voltage discriminators in the picosecond time range
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:6081889
An automated system for the evaluation of fast risetime voltage discriminators is described. A high-performance time digitizer is used to determine the elapsed time between the generation of a test pulse and the response of the discriminator under test. The measurement is repeated for a series of discriminator threshold levels generated by a digital-to-analog converter and the results compared to a photograph of the leading edge of the pulse obtained with a sampling socilloscope. To obtain high accuracy, an average of several thousand individual digitizations is used in each measurement to reduce the uncertainty to a maximum of +-3 ps. The measurement system is used with a test fixture to evaluate the performance of a number of tunnel diodes and in preliminary measurements of a prototype discriminator of new design.
- Research Organization:
- Lawrence Berkeley Lab., Berkeley, CA (US); Los Alamos National Lab., Los Alamos, NM (US)
- OSTI ID:
- 6081889
- Report Number(s):
- CONF-881103-
- Conference Information:
- Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: 36:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
42 ENGINEERING
420800* -- Engineering-- Electronic Circuits & Devices-- (-1989)
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
AUTOMATION
DESIGN
DIGITAL-TO-ANALOG CONVERTERS
DIGITIZERS
DISCRIMINATORS
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
EQUIPMENT
MEASURING METHODS
PERFORMANCE
PULSE CIRCUITS
PULSE DISCRIMINATORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SIGNAL CONDITIONERS
TUNNEL DIODES
360601 -- Other Materials-- Preparation & Manufacture
42 ENGINEERING
420800* -- Engineering-- Electronic Circuits & Devices-- (-1989)
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
AUTOMATION
DESIGN
DIGITAL-TO-ANALOG CONVERTERS
DIGITIZERS
DISCRIMINATORS
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
EQUIPMENT
MEASURING METHODS
PERFORMANCE
PULSE CIRCUITS
PULSE DISCRIMINATORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SIGNAL CONDITIONERS
TUNNEL DIODES