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Small differential temperature compensated crystal oscillator

A temperature-compensated crystal oscillator and oscillator technology, applied in the field of electronics, can solve the problem of low output frequency, and achieve the effect of optimizing the structure and miniaturizing the external size.

Pending Publication Date: 2020-04-21
BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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Problems solved by technology

[0003] This application proposes a small differential temperature-compensated crystal oscillator to solve the problem that the output waveform in traditional temperature-compensated crystal oscillators is usually single-ended output and the output frequency is low

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  • Small differential temperature compensated crystal oscillator
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Embodiment Construction

[0018] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0019] The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0020] figure 1 It is the circuit block diagram of the device of the present application.

[0021] The base frequency signal generated by the temperature-compensated crystal osci...

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Abstract

The invention discloses a small differential temperature compensation crystal oscillator which comprises a base, a temperature compensation crystal oscillator, a differential frequency multiplicationmodule and a metal shell cover. A fundamental frequency signal generated by the temperature compensation crystal oscillator is processed by the differential frequency multiplication module to generatea differential output oscillation signal. And the input and output ends of the temperature compensation crystal oscillator and the differential frequency multiplication module are bonded on the printed circuit board through conductive adhesive and then output through the base pin. The temperature compensation crystal oscillator and the differential frequency multiplication module are installed ina cavity defined by the metal shell cover and the base. The temperature compensation crystal oscillator solves the problems that the output waveform in the traditional temperature compensation crystal oscillator is generally single-ended output and the output frequency is relatively low.

Description

technical field [0001] This application relates to the field of electronics, in particular to a small differential temperature-compensated crystal oscillator. Background technique [0002] With the rapid increase of system speed in electronic equipment, the delay time of interconnection lines and other signal transmission effects such as reflection, attenuation, and crosstalk are more prominent. Conventional CMOS output crystal oscillators can no longer meet the requirements of high-speed signal transmission. The output frequency of the traditional temperature-compensated crystal oscillator is low, and the output waveform is usually single-ended output, which cannot meet the needs of high-speed differential output. Contents of the invention [0003] This application proposes a small differential temperature-compensated crystal oscillator, which solves the problem that the output waveform of the traditional temperature-compensated crystal oscillator is usually single-ended ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03H9/19H03H9/05H03H9/10H03H9/17
CPCH03H9/19H03H9/05H03H9/10H03H9/176
Inventor 睢建平哈斯图亚潘立虎郑文强段友峰崔巍刘小光
Owner BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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