FI973248A - Askelohjattu taajuussyntetisaattori - Google Patents
Askelohjattu taajuussyntetisaattori Download PDFInfo
- Publication number
- FI973248A FI973248A FI973248A FI973248A FI973248A FI 973248 A FI973248 A FI 973248A FI 973248 A FI973248 A FI 973248A FI 973248 A FI973248 A FI 973248A FI 973248 A FI973248 A FI 973248A
- Authority
- FI
- Finland
- Prior art keywords
- frequency synthesizer
- controlled frequency
- controlled
- synthesizer
- frequency
- 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
-
- 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
- H03L7/185—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 using a mixer in the loop
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI973248A FI107479B (fi) | 1997-08-06 | 1997-08-06 | Askelohjattu taajuussyntetisaattori |
JP2000506725A JP2001512948A (ja) | 1997-08-06 | 1998-08-04 | 段階制御型周波数合成装置 |
PCT/FI1998/000612 WO1999008383A1 (fi) | 1997-08-06 | 1998-08-04 | Step-controlled frequency sythesizer |
AU86324/98A AU743930B2 (en) | 1997-08-06 | 1998-08-04 | Step-controlled frequency synthesizer |
CN98807872A CN1265786A (zh) | 1997-08-06 | 1998-08-04 | 步控频率合成器 |
EP98937582A EP1002368A1 (en) | 1997-08-06 | 1998-08-04 | Step-controlled frequency synthesizer |
US09/497,991 US6239660B1 (en) | 1997-08-06 | 2000-02-04 | Step-controlled frequency synthesizer |
NO20000574A NO20000574L (no) | 1997-08-06 | 2000-02-04 | Trinnstyrt frekvens-syntetisator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI973248A FI107479B (fi) | 1997-08-06 | 1997-08-06 | Askelohjattu taajuussyntetisaattori |
FI973248 | 1997-08-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI973248A0 FI973248A0 (fi) | 1997-08-06 |
FI973248A true FI973248A (fi) | 1999-02-07 |
FI107479B FI107479B (fi) | 2001-08-15 |
Family
ID=8549323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI973248A FI107479B (fi) | 1997-08-06 | 1997-08-06 | Askelohjattu taajuussyntetisaattori |
Country Status (8)
Country | Link |
---|---|
US (1) | US6239660B1 (fi) |
EP (1) | EP1002368A1 (fi) |
JP (1) | JP2001512948A (fi) |
CN (1) | CN1265786A (fi) |
AU (1) | AU743930B2 (fi) |
FI (1) | FI107479B (fi) |
NO (1) | NO20000574L (fi) |
WO (1) | WO1999008383A1 (fi) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7213257B1 (en) * | 1999-09-15 | 2007-05-01 | Trilithic, Inc. | Determining phase linearity in CATV distribution systems |
WO2001037430A1 (en) * | 1999-11-12 | 2001-05-25 | Nokia Corporation | Arrangement and method for implementing transmitter unit of digital data transmission system |
US6493410B1 (en) * | 1999-11-19 | 2002-12-10 | Shiron Satellite Communications (1996) Ltd. | Wide band high resolution synthesizer |
US6707857B1 (en) * | 2000-07-14 | 2004-03-16 | Ericsson Inc. | Reference signal pre-distortion for transmitter with frequency synthesizer based phase encoding |
WO2002007333A2 (en) * | 2000-07-14 | 2002-01-24 | Ericsson Inc. | Phase modulator using a frequency synthesizer |
US6707343B2 (en) * | 2001-07-31 | 2004-03-16 | Intel Corporation | Frequency synthesis apparatus, systems, and methods |
US7095819B2 (en) * | 2001-12-26 | 2006-08-22 | Texas Instruments Incorporated | Direct modulation architecture for amplitude and phase modulated signals in multi-mode signal transmission |
FR2848038B1 (fr) * | 2002-11-29 | 2005-12-02 | Thales Sa | Dispositif et procede de synthese de frequence a grande purete spectrale |
US7593695B2 (en) * | 2005-03-15 | 2009-09-22 | Broadcom Corporation | RF transceiver incorporating dual-use PLL frequency synthesizer |
US7502602B2 (en) * | 2005-07-19 | 2009-03-10 | Intel Corporation | Method and apparatus to compensate loop error of phase locked loop |
US20090206892A1 (en) * | 2008-02-15 | 2009-08-20 | Tektronix, Inc. | Phase-Locked Loop System and Method |
US8619932B2 (en) * | 2010-09-15 | 2013-12-31 | Mediatek Inc. | Signal transmission system with clock signal generator configured for generating clock signal having stepwise/smooth frequency transition and related signal transmission method thereof |
CN104467820A (zh) * | 2013-09-18 | 2015-03-25 | 上海联影医疗科技有限公司 | 多通道信号输出电路 |
US10598764B2 (en) * | 2017-10-30 | 2020-03-24 | Yekutiel Josefsberg | Radar target detection and imaging system for autonomous vehicles with ultra-low phase noise frequency synthesizer |
US10205457B1 (en) * | 2018-06-01 | 2019-02-12 | Yekutiel Josefsberg | RADAR target detection system for autonomous vehicles with ultra lowphase noise frequency synthesizer |
US10404261B1 (en) * | 2018-06-01 | 2019-09-03 | Yekutiel Josefsberg | Radar target detection system for autonomous vehicles with ultra low phase noise frequency synthesizer |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3902132A (en) * | 1973-02-05 | 1975-08-26 | Fluke Mfg Co John | Closed loop variable frequency signal generator |
US4320357A (en) * | 1978-11-13 | 1982-03-16 | Wulfsberg Paul G | VHF-FM Frequency synthesizer |
US4965533A (en) * | 1989-08-31 | 1990-10-23 | Qualcomm, Inc. | Direct digital synthesizer driven phase lock loop frequency synthesizer |
US5028887A (en) * | 1989-08-31 | 1991-07-02 | Qualcomm, Inc. | Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter |
US5130671A (en) | 1990-12-26 | 1992-07-14 | Hughes Aircraft Company | Phase-locked loop frequency tracking device including a direct digital synthesizer |
US5142246A (en) | 1991-06-19 | 1992-08-25 | Telefonaktiebolaget L M Ericsson | Multi-loop controlled VCO |
JP2545008B2 (ja) | 1991-11-21 | 1996-10-16 | ソニー・テクトロニクス株式会社 | 可変周波数信号発生方法 |
JP2885560B2 (ja) | 1992-01-30 | 1999-04-26 | 三菱電機株式会社 | 周波数シンセサイザの制御方式 |
US5371480A (en) | 1992-12-04 | 1994-12-06 | Telefonaktiebolaget L M Ericsson | Step controlled signal generator |
DE4320087C1 (de) * | 1993-06-17 | 1994-08-18 | Katek Kabel Kommunikations Anl | Steuergenerator mit Phasenregelschleife |
JPH0918336A (ja) * | 1995-06-26 | 1997-01-17 | Yaesu Musen Co Ltd | Pll回路制御方式 |
JP3317837B2 (ja) * | 1996-02-29 | 2002-08-26 | 日本電気株式会社 | Pll回路 |
JP3395529B2 (ja) * | 1996-06-28 | 2003-04-14 | 三菱電機株式会社 | 周波数シンセサイザ |
-
1997
- 1997-08-06 FI FI973248A patent/FI107479B/fi active
-
1998
- 1998-08-04 CN CN98807872A patent/CN1265786A/zh active Pending
- 1998-08-04 EP EP98937582A patent/EP1002368A1/en not_active Withdrawn
- 1998-08-04 JP JP2000506725A patent/JP2001512948A/ja active Pending
- 1998-08-04 AU AU86324/98A patent/AU743930B2/en not_active Withdrawn - After Issue
- 1998-08-04 WO PCT/FI1998/000612 patent/WO1999008383A1/fi not_active Application Discontinuation
-
2000
- 2000-02-04 US US09/497,991 patent/US6239660B1/en not_active Expired - Lifetime
- 2000-02-04 NO NO20000574A patent/NO20000574L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU8632498A (en) | 1999-03-01 |
JP2001512948A (ja) | 2001-08-28 |
WO1999008383A1 (fi) | 1999-02-18 |
NO20000574D0 (no) | 2000-02-04 |
EP1002368A1 (en) | 2000-05-24 |
AU743930B2 (en) | 2002-02-07 |
FI107479B (fi) | 2001-08-15 |
FI973248A0 (fi) | 1997-08-06 |
US6239660B1 (en) | 2001-05-29 |
CN1265786A (zh) | 2000-09-06 |
NO20000574L (no) | 2000-02-04 |
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