Automatic pulse top optimization circuit for an ionizing radiati

Details Automatic pulse top optimization circuit for an ionizing radiati Automatic pulse top optimization circuit for an ionizing radiati

1997-02-27

1998-10-13

Westin, Edward P.

Radiant energy

Calibration or standardization methods

2503361, 25037001, 364724011, H03H 1700, G01T 122

Patent

active

058215336

ABSTRACT:
An automatic pulse top optimization circuit for an ionizing radiation spectroscopy system includes a conversion circuit, responsive to random analog input pulses passing through the system, for converting the random analog pulses to digital pulses; a programmable shaping filter, responsive to the digital pulses, for producing an output of predetermined shape which maximizes the precision and accuracy of the anticipated measurement; pulse shape sampling means including means for defining a window for sampling the top of the pulse and means for sampling the pulses during that window to determine the presence of a deviation from the predetermined shape; and a control circuit, responsive to the pulse shaped sampling means, for programming the programmable shaping filter to compensate for a deviation in the predetermined shape.

REFERENCES:
patent: 4468705 (1984-08-01), Burton
patent: 4866400 (1989-09-01), Britton, Jr. et al.

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