Pre-driver circuit

Details Pre-driver circuit Pre-driver circuit

2006-04-11

2006-04-11

Cunningham, Terry D. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S065000, C327S391000

Reexamination Certificate

active

07026848

ABSTRACT:
A pre-driver circuit for use in high speed signaling systems is disclosed. In one particular exemplary embodiment, the pre-driver circuit may comprise an input transistor, an active load, a passive load, and a current source. The input transistor has a gate terminal, a current sinking terminal, and a current sourcing terminal. The active load has a control input coupled to the gate terminal of the input transistor, a current sourcing terminal coupled to the current sinking terminal of the input transistor, and a current sinking terminal. The passive load has a first terminal coupled to the current sinking terminal of the active load and a second terminal coupled to the current sourcing terminal of the active load. The current source is coupled to the current sourcing terminal of the input transistor.

REFERENCES:
patent: 3736442 (1973-05-01), Miller et al.
patent: 5414375 (1995-05-01), Tsuboi
patent: 6472930 (2002-10-01), Morimoto et al.
patent: 6548884 (2003-04-01), Oikawa
patent: 2004/0061534 (2004-04-01), Yamamoto

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