Pulse generation method based on digital frequency synthesis technology
A technology of digital frequency synthesis and pulse generation, which is applied in the direction of instruments, adaptive control, control/regulation systems, etc., can solve the problems of reducing circuit stability and switching noise, and achieve low switching noise, uniform and stable pulses, and precise motion control Effect
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[0038] Such as figure 1 As shown, clk_f sys and clk_f' o(Kδ) are the system clock and the actual target output pulse respectively; F sys and F o(Kδ) are system clock and expected target output pulse parameters respectively, unit is Hz; T s _clken is the sampling enable signal; M is the digital period; C is the digital step increment.
[0039] figure 2 in, clk_f sys and clk_f′ o(Kδ) are the system clock and the actual target output pulse respectively; T p is the desired target frequency pulse clk_f o(Kδ) cycle; T 1-Δ is the time of the last pulse of the actual target frequency pulse; T s is a sampling segment time, each sampling segment time is equal; T s _clken is the sampling enable signal; Δ 1 and Δ 2 Respectively, relative to the expected target frequency clk_f of the last pulse in sampling segment 1 and sampling segment 2 o(Kδ) The number of missing pulses.
[0040] A kind of pulse generating method based on digital frequency synthesis technology, its devic...
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