DK0521859T3 - Faselåssløjfe-frekvenssyntheziser med hård begrænser drevet af en direkte digital synthesizer - Google Patents

Faselåssløjfe-frekvenssyntheziser med hård begrænser drevet af en direkte digital synthesizer

Info

Publication number
DK0521859T3
DK0521859T3 DK91903171.6T DK91903171T DK0521859T3 DK 0521859 T3 DK0521859 T3 DK 0521859T3 DK 91903171 T DK91903171 T DK 91903171T DK 0521859 T3 DK0521859 T3 DK 0521859T3
Authority
DK
Denmark
Prior art keywords
frequency
dds
signal
synthesizer
lock loop
Prior art date
Application number
DK91903171.6T
Other languages
Danish (da)
English (en)
Inventor
Robert P Gilmore
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23996340&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0521859(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DK0521859T3 publication Critical patent/DK0521859T3/da

Links

Classifications

    • 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
    • H03L7/183—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 a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • 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
    • H03L7/1806—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 the frequency divider comprising a phase accumulator generating the frequency divided signal

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DK91903171.6T 1990-03-29 1990-10-22 Faselåssløjfe-frekvenssyntheziser med hård begrænser drevet af en direkte digital synthesizer DK0521859T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/502,101 US5028887A (en) 1989-08-31 1990-03-29 Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter

Publications (1)

Publication Number Publication Date
DK0521859T3 true DK0521859T3 (da) 1997-02-03

Family

ID=23996340

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91903171.6T DK0521859T3 (da) 1990-03-29 1990-10-22 Faselåssløjfe-frekvenssyntheziser med hård begrænser drevet af en direkte digital synthesizer

Country Status (12)

Country Link
US (1) US5028887A (es)
EP (1) EP0521859B1 (es)
JP (1) JPH05507818A (es)
KR (1) KR100236891B1 (es)
AT (1) ATE147905T1 (es)
AU (1) AU657261B2 (es)
CA (1) CA2079320C (es)
DE (1) DE69029743T2 (es)
DK (1) DK0521859T3 (es)
ES (1) ES2095932T3 (es)
GR (1) GR3022817T3 (es)
WO (1) WO1991015056A1 (es)

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CN112087230A (zh) * 2020-09-17 2020-12-15 中国科学院空天信息创新研究院 宽带线性调频信号发生装置及方法
CN114337655A (zh) * 2020-09-29 2022-04-12 广州慧睿思通科技股份有限公司 一种授时器电路
CN115085818B (zh) * 2022-06-10 2024-02-09 中国科学院精密测量科学与技术创新研究院 一种用于激光器调制的零谐波宽频可调输出的射频信号源
CN115425967B (zh) * 2022-08-31 2023-11-14 北京北方华创微电子装备有限公司 相位同步装置和方法、射频电源、半导体工艺设备

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Also Published As

Publication number Publication date
DE69029743T2 (de) 1997-08-07
EP0521859A4 (en) 1993-06-09
CA2079320A1 (en) 1991-09-30
EP0521859B1 (en) 1997-01-15
KR100236891B1 (ko) 2000-01-15
ATE147905T1 (de) 1997-02-15
AU7077391A (en) 1991-10-21
JPH05507818A (ja) 1993-11-04
AU657261B2 (en) 1995-03-09
WO1991015056A1 (en) 1991-10-03
US5028887A (en) 1991-07-02
ES2095932T3 (es) 1997-03-01
CA2079320C (en) 2000-09-19
GR3022817T3 (en) 1997-06-30
EP0521859A1 (en) 1993-01-13
DE69029743D1 (de) 1997-02-27

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