Very high speed optical receiver with a cascadable differential

Details Very high speed optical receiver with a cascadable differential Very high speed optical receiver with a cascadable differential

1993-04-12

1994-09-06

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

330260, H01J 4014

Patent

active

053450736

ABSTRACT:
Our invention is a differential transimpedance amplifier circuit with shunt-shunt local feedback gain stages. These shunt-shunt feedback gain stages comprise an additional resistor and two transistors in a shunt-shunt feedback configuration to provide a low output impedance while maintaining the transimpedance gain. Cascading circuits of this structure results in a high bandwidth receiver with sufficient gain to drive conventional data regeneration circuits.

REFERENCES:
patent: 4853530 (1989-08-01), Muto
patent: 5045807 (1991-09-01), Ishihara et al.
patent: 5053718 (1991-10-01), Graeme et al.
patent: 5130667 (1992-07-01), Chang et al.

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