Stabilization biasing circuit for avalanche photodiodes

Details Stabilization biasing circuit for avalanche photodiodes Stabilization biasing circuit for avalanche photodiodes

1992-06-23

1993-12-14

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250214C, 307491, H01J 4014

Patent

active

052705331

ABSTRACT:
A stabilization biasing circuit is provided for an avalanche photodiode. The stabilization biasing circuit allows for a wide range of light levels to be inputted to the avalanche photodiode, while the avalanche photodiode operates under extreme temperatures. The stabilization biasing circuit also provides for an automatic gain control, thereby enabling the electrical output signal of an avalanche photodiode to be relatively constant over a large range of inputted light levels and temperatures. Absence of optical input is identified as an increase in diode noise due to avalanche breakdown.

REFERENCES:
patent: 4153835 (1979-05-01), Lau et al.
patent: 4292514 (1981-09-01), Ohtomo
patent: 4438348 (1984-03-01), Casper et al.
patent: 4467192 (1984-08-01), Velo
patent: 4952795 (1990-08-01), Gauthier et al.

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