Adjusting method for realizing pulse width signal delay
A technology of pulse width signal and adjustment method, which is applied in the direction of pulse processing, pulse technology, multiple input and output pulse circuits, etc., can solve the problems of high cost, limited scope of application, and non-promotion, and achieve cost saving and adjustment Flexible and convenient, solve the effect of high adjustment cost
Pending Publication Date: 2019-09-27
AMOLOGIC (SHANGHAI) CO LTD
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Problems solved by technology
[0003] In the current technology, the method to realize the pulse width signal delay is to use a single-chip microcomputer or an integrated chip to control the output time of the pulse width signal by software programming. The disadvantage of this operation is that the cost is high, and the debugging flexibility is not high, and the scope of application is not good. broad, do not promote
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0033] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
[0035] The present invention includes an adjustment method for realizing pulse width signal delay, which include...
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The invention relates to the technical field of pulse width modulation, in particular to an adjusting method for realizing pulse width signal delay, which comprises the following steps of: S1, providing an adjusting circuit which is connected between a power supply end and an output end; S2, adjusting the parameter value of the component by adopting an adjusting circuit so as to adjust the output time of the pulse width signal, wherein the adjusting circuit comprises an RC adjusting unit, and in the step S2, the parameter value of the RC adjusting unit is adjusted through the adjusting circuit so as to adjust the output time of the pulse width signal. The technical scheme of the invention has the beneficial effects that the discrete device RC adjusting unit is adopted to adjust the output time of the pulse width signal, the cost is saved, the time length adjustment of the pulse width signal is flexible and convenient, and the problems of high adjustment cost and inflexible adjustment in the prior art are solved.
Description
technical field [0001] The invention relates to the technical field of pulse width modulation, in particular to an adjustment method for realizing pulse width signal delay. Background technique [0002] Pulse Width Modulation PWM (Pulse WidthModulation) is a term in switching regulated power supplies. This is classified according to the control method of voltage stabilization. In addition to PWM type, there are also pulse frequency PFM (PulseFrequency Modulation) type and PWM and PFM hybrid type. The pulse width modulation (PWM) switch-type voltage regulator circuit adjusts its duty cycle through voltage feedback under the condition that the output frequency of the control circuit remains unchanged, so as to achieve the purpose of stabilizing the output voltage. [0003] In the current technology, the method to realize the pulse width signal delay is to use a single-chip microcomputer or an integrated chip to control the output time of the pulse width signal by software pro...
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IPC IPC(8): H03K5/00H03K5/26
CPCH03K5/00H03K5/26H03K2005/00019
Inventor 李远远张坤冯杰
Owner AMOLOGIC (SHANGHAI) CO LTD