FI920715A - Bredbandfrekvenssyntetisator foer snabb frekvensavstaemning - Google Patents
Bredbandfrekvenssyntetisator foer snabb frekvensavstaemning Download PDFInfo
- Publication number
- FI920715A FI920715A FI920715A FI920715A FI920715A FI 920715 A FI920715 A FI 920715A FI 920715 A FI920715 A FI 920715A FI 920715 A FI920715 A FI 920715A FI 920715 A FI920715 A FI 920715A
- Authority
- FI
- Finland
- Prior art keywords
- frekvensavstaemning
- bredbandfrekvenssyntetisizator
- snabb
- foer
- foer snabb
- Prior art date
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65803891 | 1991-02-20 | ||
US07/658,038 US5140284A (en) | 1991-02-20 | 1991-02-20 | Broad band frequency synthesizer for quick frequency retuning |
Publications (3)
Publication Number | Publication Date |
---|---|
FI920715A0 FI920715A0 (fi) | 1992-02-19 |
FI920715A true FI920715A (fi) | 1992-08-21 |
FI107480B FI107480B (fi) | 2001-08-15 |
Family
ID=24639660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI920715A FI107480B (fi) | 1991-02-20 | 1992-02-19 | Leveäkaistainen taajuussyntetisaattori taajuuden nopeaa uudelleenviritystä varten |
Country Status (5)
Country | Link |
---|---|
US (1) | US5140284A (fi) |
EP (1) | EP0500516B1 (fi) |
EG (1) | EG19498A (fi) |
FI (1) | FI107480B (fi) |
NO (1) | NO300990B1 (fi) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI89432C (fi) * | 1991-06-26 | 1993-09-27 | Nokia Mobile Phones Ltd | Genering av en klockfrekvens i ett smart card graenssnitt |
FR2681994B1 (fr) * | 1991-09-26 | 1994-09-30 | Alcatel Telspace | Dispositif de transmission numerique comportant un recepteur a demodulation coherente realisee directement en hyperfrequence. |
JP3241079B2 (ja) * | 1992-02-24 | 2001-12-25 | 株式会社日立製作所 | ディジタル位相同期回路 |
US5371480A (en) * | 1992-12-04 | 1994-12-06 | Telefonaktiebolaget L M Ericsson | Step controlled signal generator |
FI95520C (fi) * | 1992-12-29 | 1996-02-12 | Nokia Telecommunications Oy | Menetelmä signaalin vaiheen lukitsemiseksi adaptoituvasti referenssisignaalin vaiheeseen ja referenssisignaalin taajuuteen adaptoituva vaihelukko |
US5585754A (en) * | 1993-04-02 | 1996-12-17 | Nec Corporation | Integrated digital circuit |
DE4324527A1 (de) * | 1993-07-21 | 1995-01-26 | Siemens Ag | Anordnung zur Frequenzaufbereitung für zwei Frequenzbänder |
CA2130871C (en) * | 1993-11-05 | 1999-09-28 | John M. Alder | Method and apparatus for a phase-locked loop circuit with holdover mode |
US5457428A (en) * | 1993-12-09 | 1995-10-10 | At&T Corp. | Method and apparatus for the reduction of time interval error in a phase locked loop circuit |
JP3256422B2 (ja) * | 1995-10-23 | 2002-02-12 | 日本電気株式会社 | 周波数シンセサイザ |
US5703537A (en) * | 1996-07-03 | 1997-12-30 | Microclock Incorporated | Phase-locked loop clock circuit for generation of audio sampling clock signals from video reference signals |
US6417703B1 (en) * | 1996-09-25 | 2002-07-09 | Anritsu Company | Frequency synthesizer using a ratio sum topology |
EP0903860A1 (en) * | 1997-09-17 | 1999-03-24 | Matsushita Electric Industrial Co., Ltd. | PLL frequency synthesizer |
US6154508A (en) * | 1998-03-23 | 2000-11-28 | Vlsi Technology, Inc. | Method and system for rapidly achieving synchronization between digital communications systems |
US6084448A (en) * | 1998-06-17 | 2000-07-04 | Ericsson Inc. | Adaptive divider control for a phase lock loop circuit |
US6140882A (en) * | 1998-11-23 | 2000-10-31 | Tropian, Inc. | Phase lock loop enabling smooth loop bandwidth switching |
NZ338098A (en) * | 1999-09-29 | 2001-06-29 | Tait Electronics Ltd | Frequency synthesizer with phase locked loop (PLL) with two frequency dividers |
TW496975B (en) * | 2001-03-02 | 2002-08-01 | Ind Tech Res Inst | Planar lightwave circuit interleaver |
JP3928519B2 (ja) * | 2002-08-21 | 2007-06-13 | ソニー株式会社 | ディジタル信号伝送システムおよび方法、並びに受信装置および方法 |
JP4546716B2 (ja) * | 2003-11-10 | 2010-09-15 | シャープ株式会社 | Pllクロック信号生成回路 |
US7242230B2 (en) * | 2004-02-25 | 2007-07-10 | Analog Devices, Inc. | Microprocessor with power saving clock |
US7747237B2 (en) * | 2004-04-09 | 2010-06-29 | Skyworks Solutions, Inc. | High agility frequency synthesizer phase-locked loop |
KR100940622B1 (ko) * | 2007-06-25 | 2010-02-05 | 주식회사 동부하이텍 | 주파수 합성기 |
US20100150288A1 (en) * | 2008-12-17 | 2010-06-17 | Miao Zhu | Synchronization of Low Noise Local Oscillator using Network Connection |
KR101297413B1 (ko) * | 2012-02-24 | 2013-08-19 | 고려대학교 산학협력단 | 적응형 클럭 생성 장치 및 방법 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4107612A (en) * | 1976-05-05 | 1978-08-15 | Frederick Electronics Corporation | Phase locked loop exciter generator for high frequency transmitter |
US4034310A (en) * | 1977-01-05 | 1977-07-05 | Coe Thomas F | Phase-locked loop oscillator |
JPS53130911A (en) * | 1977-04-20 | 1978-11-15 | Matsushita Electric Ind Co Ltd | Pll synthesizer |
GB2024546B (en) * | 1978-05-26 | 1982-12-22 | Racal Group Services Ltd | Frequency synthesisers |
DD140826A1 (de) * | 1978-12-15 | 1980-03-26 | Uwe Buehn | Frequenzsyntheseanordnung |
FR2510287B1 (fr) * | 1981-07-24 | 1985-01-04 | Thomson Csf | Synthetiseur de frequence a large bande relative |
US4528521A (en) * | 1984-02-09 | 1985-07-09 | At&T Information Systems Inc. | Precision control frequency synthesizer having an unstable, variable frequency input signal |
US4668922A (en) * | 1985-07-17 | 1987-05-26 | Hughes Aircraft Company | Fast phase-lock frequency synthesizer |
CA1282464C (en) * | 1985-10-23 | 1991-04-02 | Masanori Ienaka | Phase-locked oscillator |
JPS63238714A (ja) * | 1986-11-26 | 1988-10-04 | Hitachi Ltd | クロック供給システム |
EP0278140A1 (en) * | 1987-02-12 | 1988-08-17 | Hewlett-Packard Limited | Clock signal generation |
US4868513A (en) * | 1987-09-11 | 1989-09-19 | Amdahl Corporation | Phase-locked loop with redundant reference input |
US4901033A (en) * | 1989-05-01 | 1990-02-13 | Motorola, Inc. | Frequency synthesizer with dynamically programmable frequency range of selected loop bandwith |
US4926141A (en) * | 1989-05-01 | 1990-05-15 | Motorola, Inc. | Frequency synthesizer with improved automatic control of loop bandwidth selection |
-
1991
- 1991-02-20 US US07/658,038 patent/US5140284A/en not_active Expired - Lifetime
-
1992
- 1992-02-15 EG EG9292A patent/EG19498A/xx active
- 1992-02-18 NO NO920639A patent/NO300990B1/no not_active IP Right Cessation
- 1992-02-19 FI FI920715A patent/FI107480B/fi active
- 1992-02-19 EP EP92850040A patent/EP0500516B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NO300990B1 (no) | 1997-08-25 |
EP0500516A3 (en) | 1993-04-21 |
FI920715A0 (fi) | 1992-02-19 |
FI107480B (fi) | 2001-08-15 |
NO920639D0 (no) | 1992-02-18 |
EP0500516A2 (en) | 1992-08-26 |
EP0500516B1 (en) | 1999-10-06 |
EG19498A (en) | 1995-09-30 |
NO920639L (no) | 1992-08-21 |
US5140284A (en) | 1992-08-18 |
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