Ramp signal generation circuit

Details Ramp signal generation circuit Ramp signal generation circuit

2006-10-03

2006-10-03

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Generating sawtooth or triangular output

C327S137000

Reexamination Certificate

active

07116138

ABSTRACT:
A ramp signal generation circuit is disclosed. The ramp signal generation circuit comprises a ramp signal generator, a buffer, a comparator, and a switching circuit. The switching circuit provides current to an output of the ramp signal generation circuit in response to a control signal output by the comparator. When a high slew rate is required, the output of the ramp signal generation circuit is driven by the current provided by the switching circuit. Otherwise, the output of the ramp signal generation circuit is driven by an output of the buffer.

REFERENCES:
patent: 6384645 (2002-05-01), Brambilla et al.
patent: 6388505 (2002-05-01), Ribellino et al.
patent: 2001-203936 (2001-07-01), None
patent: 1020030050089 (2003-06-01), None

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