Device for measuring very short current pulses

Details Device for measuring very short current pulses Device for measuring very short current pulses

2006-09-08

2008-10-14

Nguyen, Vincent Q. (Department: 2831)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

C324S076170, C327S103000, C702S064000

Reexamination Certificate

active

07436165

ABSTRACT:
An apparatus adapted to measure of current pulses that are very brief (a few nanoseconds) and of very low amplitude (a few microamps), such as those that can emanate from a photodetector used for the optical transmission of data at very high speed, or from a photodetector (photodiode or photoconductor) subject to a radiation that is of pulsed nature (in particular: X, gamma and other radiations). The circuit includes an integration stage (IT), a differentiation stage (DR), and a subtraction stage (SS). The time constants Rp.Cint and R2.C2of the integration and differentiation stages are preferably equal.

REFERENCES:
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patent: 2004-051314 (2004-06-01), None
patent: 2004/051314 (2004-06-01), None

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