Parameter determination method of resonance circuit

A resonant circuit and parameter determination technology, applied in electrical components, power oscillators, etc., can solve the problem that the resonant circuit cannot start to vibrate, and achieve the effect of improving the accuracy and selecting appropriate parameters.

Inactive Publication Date: 2016-08-31
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the parameters are not selected properly, it will lead to p

Method used

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  • Parameter determination method of resonance circuit
  • Parameter determination method of resonance circuit
  • Parameter determination method of resonance circuit

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection of the present invention. scope.

[0031] Such as figure 1 As shown, the embodiment of the present invention provides a method for determining parameters of a resonant circuit, the resonant circuit includes: a crystal, a first capacitor connected to the first terminal of the crystal, and a second capacitor connected to the second terminal of the crystal, Wherein, the first end and the s...

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Abstract

The invention provides a parameter determination method of a resonance circuit. The method comprises steps that a resonance condition is pre-set; according to clock frequency demands, an initial load capacitance of a crystal is determined; according to the initial load capacitance and an empirical value of a parasitic capacitor of the resonance circuit, values of a load capacitor of the crystal, a first capacitor and a second capacitor are adjusted to guarantee that the resonance circuit after adjustment satisfies the resonance condition; the values of the load capacitor of the crystal of the resonance circuit, the first capacitor and the second capacitor satisfying the resonance condition are taken as parameter values; and the empirical value of the parasitic capacitor of the resonance circuit is 5pF. The method is advantaged in that parameter selection accuracy is further improved, and parameter selection of each component of the resonance circuit can be guaranteed to be more proper.

Description

technical field [0001] The invention relates to the technical field of electronic circuits, in particular to a method for determining parameters of a resonant circuit. Background technique [0002] A quartz crystal can form a crystal resonator, providing a clock signal for the circuit connected to it. The parameter selection of each component in the resonant circuit is related to the resonance effect of the resonant circuit. If the parameters are not selected properly, it will lead to problems such as failure of the resonant circuit to oscillate. Contents of the invention [0003] An embodiment of the present invention provides a method for determining parameters of a resonant circuit, so as to select appropriate parameters for each component in the resonant circuit. [0004] An embodiment of the present invention provides a method for determining parameters of a resonant circuit. The resonant circuit includes: a crystal, a first capacitor connected to a first end of the...

Claims

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Application Information

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IPC IPC(8): H03B5/06H03B5/32
CPCH03B5/06H03B5/32
Inventor 史国计
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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