Laser driver circuit with signal transition enhancement

Details Laser driver circuit with signal transition enhancement Laser driver circuit with signal transition enhancement

2006-11-07

2006-11-07

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular component circuitry

For driving or controlling laser

C372S038070

Reexamination Certificate

active

07133429

ABSTRACT:
A laser driver circuit with signal transition enhancement is disclosed. The laser driver circuit comprises a pair of laser driver input terminals, a current modulator circuit, a transition boost circuit, and a nonlinear integrator circuit. The pair of laser driver input terminals are configured to receive a pair of differential input signals. The current modulator circuit generates a pair of current modulator output signals in accordance with the pair of differential input signals. The transition boost circuit generates a pair of transition boost signals for enhancing signal transitions of the pair of current modulator output signals. The nonlinear integrator circuit integrates the pair of transition boost signals to generate a pair of differential current output signals.

REFERENCES:
patent: 2003/0044108 (2003-03-01), Jacobowitz et al.
U.S. Appl. No. 11/071,714, filed Mar. 3, 2005 entitled “Laser Driver Circuit for Reducing Electromagnetic Interference.”

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