CN109525245B - 一种可编程振荡器 - Google Patents

一种可编程振荡器 Download PDF

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CN109525245B
CN109525245B CN201811321799.9A CN201811321799A CN109525245B CN 109525245 B CN109525245 B CN 109525245B CN 201811321799 A CN201811321799 A CN 201811321799A CN 109525245 B CN109525245 B CN 109525245B
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timer
output end
data multiplexer
input end
crystal oscillator
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CN109525245A (zh
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蔡钦洪
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Shenzhen Yangxing Technology Co ltd
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)

Abstract

本发明提供一种可编程振荡器，包括晶振、R‑计时器、鉴相器、电荷泵、环路滤波器、VCO、P‑计时器、M‑计时器、数字接口、数据多工器1以及数据多工器2，本发明可编程振荡器可改变传统振荡器制程工艺、供电电压、温度变化的敏感性，而且进一步简化传统振荡器制程工艺，避免多重环节出现问题的风险，可在短期内全自动批量生产，质量稳定。

Description

一种可编程振荡器
技术领域
本发明涉及一种可编程振荡器。
背景技术
传统晶体振荡器的主要缺点是其输出频率受工艺、供电电压和温度变化的影响大，制程工艺繁琐，大大增加了产品生产周期。
发明内容
针对上述技术问题，本发明提供一种可编程振荡器，包括晶振、R-计时器、鉴相器、电荷泵、环路滤波器、VCO、P-计时器、M-计时器、数字接口、数据多工器1以及数据多工器2；
晶振包括两个引出端XTAL1、XTAL2，晶振输出端连接R-计时器输入端，R-计时器输出端连接鉴相器的其中一个输入端，鉴相器的另一个输入端连接M-计时器输出端，鉴相器的输出端连接电荷泵的输入端，电荷泵的输出端连接环路滤波器的输入端，环路滤波器的输出端连接VCO的输入端，VCO的输出端连接M-计时器输入端，数据多工器1为2选1的数据多工器，数据多工器1其中一个输入端连接VCO的输出端，数据多工器1另一个输入端连接晶振输出端，数据多工器1输出端连接P-计时器的输入端，数据多工器2为3选1的数据多工器，数据多工器2三个输入端分别连接P-计时器的输出端、晶振的输出端、数字接口，数据多工器2输出端引出一个CLK端口，数字接口引出一个OE端口。
进一步地，所述R-计时器、M-计时器、P-计时器以及数字接口为可调整。
与现有技术相比，本发明的有益效果是：本发明可编程振荡器可改变传统振荡器制程工艺、供电电压、温度变化的敏感性，而且进一步简化传统振荡器制程工艺，避免多重环节出现问题的风险，可在短期内全自动批量生产，质量稳定。
附图说明
图1为本发明可编程振荡器电路结构图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
见图1，一种可编程振荡器，包括晶振、R-计时器、鉴相器、电荷泵、环路滤波器、VCO、P-计时器、M-计时器、数字接口、数据多工器1以及数据多工器2。
晶振包括两个引出端XTAL1、XTAL2，晶振输出端连接R-计时器输入端，R-计时器输出端连接鉴相器的其中一个输入端，鉴相器的另一个输入端连接M-计时器输出端，鉴相器的输出端连接电荷泵的输入端，电荷泵的输出端连接环路滤波器的输入端，环路滤波器的输出端连接VCO的输入端，VCO的输出端连接M-计时器输入端，数据多工器1为2选1的数据多工器，数据多工器1其中一个输入端连接VCO的输出端，数据多工器1另一个输入端连接晶振输出端，数据多工器1输出端连接P-计时器的输入端，数据多工器2为3选1的数据多工器，数据多工器2三个输入端分别连接P-计时器的输出端、晶振的输出端、数字接口，数据多工器2输出端引出一个CLK端口，数字接口引出一个OE端口。
所述R-计时器、M-计时器、P-计时器以及数字接口为可调整。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附。

Claims (2)

1.一种可编程振荡器，其特征在于：包括晶振、R-计时器、鉴相器、电荷泵、环路滤波器、VCO、P-计时器、M-计时器、数字接口、数据多工器1以及数据多工器2；
晶振包括两个引出端XTAL1、XTAL2，晶振输出端连接R-计时器输入端，R-计时器输出端连接鉴相器的其中一个输入端，鉴相器的另一个输入端连接M-计时器输出端，鉴相器的输出端连接电荷泵的输入端，电荷泵的输出端连接环路滤波器的输入端，环路滤波器的输出端连接VCO的输入端，VCO的输出端连接M-计时器输入端，数据多工器1为2选1的数据多工器，数据多工器1其中一个输入端连接VCO的输出端，数据多工器1另一个输入端连接晶振输出端，数据多工器1输出端连接P-计时器的输入端，数据多工器2为3选1的数据多工器，数据多工器2三个输入端分别连接P-计时器的输出端、晶振的输出端、数字接口，数据多工器2输出端引出一个CLK端口，数字接口引出一个OE端口。
2.根据权利要求1所述可编程振荡器，其特征在于：所述R-计时器、M-计时器、P-计时器以及数字接口为可调整。
CN201811321799.9A 2018-11-07 2018-11-07 一种可编程振荡器 Active CN109525245B (zh)

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Citations (4)

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DE102009033070A1 (de) * 2009-07-03 2011-01-05 Texas Instruments Deutschland Gmbh Halbdigitaler Phasenregelkreis (PLL-Schaltung)
CN103297042A (zh) * 2013-06-24 2013-09-11 中国科学院微电子研究所 一种可快速锁定的电荷泵锁相环电路
CN104202048A (zh) * 2014-08-27 2014-12-10 中国科学技术大学 一种宽带全集成锁相环频率综合器
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US7268630B2 (en) * 2005-04-25 2007-09-11 International Business Machines Corporation Phase-locked loop using continuously auto-tuned inductor-capacitor voltage controlled oscillator
US7663415B2 (en) * 2005-12-30 2010-02-16 Stmicroelectronics Pvt. Ltd. Phase locked loop (PLL) method and architecture

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DE102009033070A1 (de) * 2009-07-03 2011-01-05 Texas Instruments Deutschland Gmbh Halbdigitaler Phasenregelkreis (PLL-Schaltung)
CN103297042A (zh) * 2013-06-24 2013-09-11 中国科学院微电子研究所 一种可快速锁定的电荷泵锁相环电路
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Denomination of invention: A programmable oscillator

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