Segmented sawtooth generator

Details Segmented sawtooth generator Segmented sawtooth generator

2006-10-24

2006-10-24

Vo, Tuyet Thi (Department: 2821)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S144000, C322S027000, C322S025000, C315S2090SC, C315S247000

Reexamination Certificate

active

07126520

ABSTRACT:
Generation of segmented sawtooth waveforms. A desired waveform is divided into intervals. A slope is associated with each interval. A charge current representing the slope is applied to a timing capacitor during each interval. Responsive to a clock signal, a counter chain indexes a digital memory which provides values to a digital to analog converter. The output of the digital to analog converter drives an adjustable current source to charge the timing capacitor.

REFERENCES:
patent: 5760623 (1998-06-01), Hastings
patent: 2004/0049749 (2004-03-01), Croix

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