Homogenizing electrical signals generated by a detection system

Details Homogenizing electrical signals generated by a detection system Homogenizing electrical signals generated by a detection system

1992-08-06

1993-12-07

Hille, Rolf

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Charge transfer device

257230, 257241, 257249, 377 57, 377 60, 377 62, H01L 2978, G11C 1928

Patent

active

052685837

ABSTRACT:
An exploiting or readout circuit for a linear or matrix type photodetector array is of the multiplex type, such as a charge-coupled device (CCD). The exploiting circuit has a number of input stages corresponding to the number of photodetectors or similar photosites, and the gains of the input stages are established as a function of the fields of view of their associated photodetectors. In one embodiment the input stages each comprise a storage device formed of a first and a second storage electrode separated by a dividing electrode, the storage electrodes having respective surface areas selected in a relation that varies as a function of solid angle field of view of the respective photodetector. In another embodiment the input stage can include an OpAmp with a negative feedback capacitor whose value is selected as a function of the viewing solid angle of the respective photodetector.

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IEEE Transactions on Electron Devices, vol. ED-29, No. 1, (1982) pp. 3-13; "Hybrid Infrared Focal-Plane Arrays".

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