Diode-clamped optical receiver

Details Diode-clamped optical receiver Diode-clamped optical receiver

1993-04-08

1994-08-30

Melms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250214R, H01J 4014

Patent

active

053430328

ABSTRACT:
An optical receiver, e.g., receiver 10 (FIG. 1), has differential optical input beams and generates an electrical output. The voltage at an electrical node between series-connected optical detector diodes is clamped within a predefined voltage range by series-connected clamping diodes, to prevent the voltage from increasing when consecutive logic one optical input beams are received. Variable bandwidth and low energy dissipation are achieved since the resistors of high input impedance and transimpedance receivers are not required. A second optical receiver, e.g., receiver 20 (FIG. 2) is a monolithic, diode-clamped S-SEED with complementary optical input beams and complementary optical output beams.

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