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Method for Improving Temperature Accuracy of Crystal Oscillator, Oscillator and Packaging Method

A crystal oscillator and packaging method technology, applied in electrical components, output stability, impedance network and other directions, can solve problems such as unfavorable product generalization, affecting product thinning, increasing crystal oscillator thickness, etc., to achieve accurate compensation output, The effect of reducing thickness and uniform heating

Active Publication Date: 2018-06-22
GUANGDONG DAPU TELECOM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Although this technical solution solves the problem of temperature sensing consistency, it has high requirements for the setting position of each module, which is not conducive to the generalization of products. At the same time, it increases the thickness of the crystal oscillator, which will affect the thinness of the product to which it is applied. change

Method used

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  • Method for Improving Temperature Accuracy of Crystal Oscillator, Oscillator and Packaging Method
  • Method for Improving Temperature Accuracy of Crystal Oscillator, Oscillator and Packaging Method
  • Method for Improving Temperature Accuracy of Crystal Oscillator, Oscillator and Packaging Method

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Embodiment

[0045] In this embodiment, a method for improving the temperature accuracy of a crystal oscillator according to the present invention includes a crystal 101, a temperature control module 102, and a temperature sensor 103 discretely arranged on a substrate 100, and a filling material 104 with good thermal conductivity is used for the crystal. 101. Fill the gap between the temperature control module 102 and the temperature sensor 103, so that the temperatures of the temperature control module 102 and the temperature sensor 103 tend to be consistent.

[0046] In this embodiment, the filling material 104 is a plastic sealant with good thermal conductivity.

[0047] Specifically, filling the gap between the crystal 101, the temperature control module 102, and the temperature sensor 103 is as follows: the substrate 100, the crystal 101, the temperature control module 102, and the temperature sensor 103 are potted together with a filling material 104, and the filling is solidified. M...

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Abstract

The invention discloses a method for improving the temperature accuracy of a crystal oscillator. A substrate is at least provided with a crystal, a temperature control module and a temperature sensor in a disperse mode, and the interval among the crystal, the temperature control module and the temperature sensor is filled with filling materials with a good heat-conducting property, so that the temperature of the temperature control module and the temperature of the temperature sensor tend to be consistent. The invention further discloses the crystal oscillator and a packaging method of the crystal oscillator. The crystal, the temperature sensor, a heating module and the temperature control module are arranged on the same plane in a disperse mode, so that the thickness of the crystal oscillator is conveniently reduced, the intervals among the modules are filled with the filling materials with the good heat-conducting property, the modules are heated more evenly, the temperature of the modules tend to be consistent, the temperature control precision is improved, the compensation dosage is output more accurately, and the frequency temperature stability of the crystal oscillator is improved.

Description

technical field [0001] The invention relates to the technical field of crystal oscillators, in particular to a method for improving the temperature accuracy of a crystal oscillator, an oscillator and a packaging method thereof. Background technique [0002] Crystal oscillator is a high-precision and high-stability oscillator, which is widely used in various oscillating circuits such as color TVs, computers, and remote controls. It is used in frequency generators in communication systems to generate clock signals for data processing equipment. and provide a reference signal for a particular system. [0003] Temperature-compensated crystal oscillator, as a clock source with excellent performance, is very popular in high-end electronic products. Its biggest advantage is that it can keep the output frequency stable at any temperature, so that it can ensure that electronic products will not work Ambient temperature is limited. [0004] Such as figure 1 Shown is a structure of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03H9/02H03H9/10H03L1/04
Inventor 刘朝胜王巍巍刘搏周文
Owner GUANGDONG DAPU TELECOM TECH CO LTD
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