Current-controlled output buffer

Details Current-controlled output buffer Current-controlled output buffer

1998-06-15

2000-03-14

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327112, 323315, 326 87, H03B 100

Patent

active

060378115

ABSTRACT:
A current-controlled output buffer circuit includes a control circuit, a charging circuit, and a discharging circuit. The control circuit is configured to receive a control signal, and in response produces a charging signal and a discharging signal. The charging circuit is configured to receive the charging signal and in response, supplies a charging current to an output terminal, the magnitude of said charging current producing a signal rise time. The discharging circuit is configured to receive the discharging signal and in response, sinks a discharging current from the output terminal, the magnitude of the discharging current producing a signal fall time.

REFERENCES:
patent: 4634894 (1987-01-01), Shu et al.
patent: 4791326 (1988-12-01), Vajdic et al.
patent: 5241227 (1993-08-01), Jung et al.
patent: 5353028 (1994-10-01), De Wit et al.
patent: 5625306 (1997-04-01), Tada
patent: 5672993 (1997-09-01), Runaldue
patent: 5801564 (1998-09-01), Gasparik
patent: 5898326 (1999-04-01), Okayasu

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