Pulse generator

Details Pulse generator Pulse generator

2007-11-06

2007-11-06

Nguyen, Linh My (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

C327S291000

Reexamination Certificate

active

10543534

ABSTRACT:
Without shortening clock pulse duration serving as a unit time of a pulse generator, a pulse-width control is possible in which pulse duration varies in increments of a time length shorter than the unit time. A time width Ton_s of a pulse width finely dividing signal Vs from a DSP17varies by clock pulse duration Tclkin response to variations in an output voltage Vo. A time control circuit18that has received the pulse width finely dividing signal Vs generates, in a control signal Vd, varying segments30, 31for making the time width of the pulse drive signal Vg vary by a shorter time ΔTd than the clock pulse duration Tclk. Consequently, resolution of the time width of the pulse drive signal Vg is improved so as to be higher than the clock pulse duration Tclk, which is time resolution of the DSP17itself.

REFERENCES:
patent: 5272614 (1993-12-01), Brunk et al.
patent: 6107850 (2000-08-01), Shimizu
patent: 7157889 (2007-01-01), Kernahan et al.
patent: 04-322161 (1992-11-01), None
patent: 2002-218750 (2002-08-01), None
patent: 2003-088105 (2003-03-01), None
patent: 2003-111400 (2003-04-01), None

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