DE69020452D1 - Frequenzsynthesierer. - Google Patents
Frequenzsynthesierer.Info
- Publication number
- DE69020452D1 DE69020452D1 DE69020452T DE69020452T DE69020452D1 DE 69020452 D1 DE69020452 D1 DE 69020452D1 DE 69020452 T DE69020452 T DE 69020452T DE 69020452 T DE69020452 T DE 69020452T DE 69020452 D1 DE69020452 D1 DE 69020452D1
- Authority
- DE
- Germany
- Prior art keywords
- frequency synthesizer
- synthesizer
- frequency
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
- H03L1/023—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes
- H03L1/025—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes and a memory for digitally storing correction values
-
- 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
- H03L7/187—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 means for coarse tuning the voltage controlled oscillator of the loop
- H03L7/189—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 means for coarse tuning the voltage controlled oscillator of the loop comprising a D/A converter for generating a coarse tuning voltage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20734789 | 1989-08-10 | ||
JP2126114A JPH03157018A (ja) | 1989-08-10 | 1990-05-16 | 周波数シンセサイザ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69020452D1 true DE69020452D1 (de) | 1995-08-03 |
DE69020452T2 DE69020452T2 (de) | 1996-04-04 |
Family
ID=26462342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69020452T Expired - Fee Related DE69020452T2 (de) | 1989-08-10 | 1990-08-07 | Frequenzsynthesierer. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5036295A (de) |
EP (1) | EP0412491B1 (de) |
JP (1) | JPH03157018A (de) |
DE (1) | DE69020452T2 (de) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5254955A (en) * | 1989-08-25 | 1993-10-19 | Anritsu Corporation | Advanced phase locked loop circuit |
US5218313A (en) * | 1989-08-25 | 1993-06-08 | Anritsu Corporation | Frequency synthesizer for implementing generator of highly pure signals and circuit devices, such as VCO, PLL and SG used therein |
US5122763A (en) * | 1989-08-25 | 1992-06-16 | Anritsu Corporation | Frequency snythesizer for implementing generator of highly pure signals and circuit devices, such as vcq, bll and sg, used therein |
EP0840456A3 (de) * | 1990-10-22 | 1999-08-25 | NEC Corporation | Frequenzsynthetisierer mit PLL, der einen Frequenzwechsel des Ausgangs mit hoher Geschwindigkeit ermöglicht |
US5184093A (en) * | 1991-03-08 | 1993-02-02 | Mitsubishi Denki Kabushiki Kaisha | Frequency synthesizer |
JP2953854B2 (ja) * | 1992-01-27 | 1999-09-27 | 日本電気株式会社 | Fm復調回路 |
DE4228834A1 (de) * | 1992-08-29 | 1994-03-03 | Thomson Brandt Gmbh | Verfahren und Vorrichtung zum Abgleich einer PLL Stufe |
JP3001735B2 (ja) * | 1992-11-10 | 2000-01-24 | 三菱電機株式会社 | 位相同期ループ周波数シンセサイザ |
US5418503A (en) * | 1993-03-08 | 1995-05-23 | Ericsson Ge Mobile Communications Inc. | Compensation of transient frequency drift in oscillator circuits |
JPH0817326B2 (ja) * | 1993-03-30 | 1996-02-21 | 日本電気株式会社 | 周波数シンセサイザ |
JP2581398B2 (ja) * | 1993-07-12 | 1997-02-12 | 日本電気株式会社 | Pll周波数シンセサイザ |
DE69533913T2 (de) * | 1994-05-26 | 2005-05-25 | Matsushita Electric Industrial Co., Ltd., Kadoma | Frequenzsynthesizer |
FI98258C (fi) * | 1994-06-07 | 1997-05-12 | Nokia Telecommunications Oy | Menetelmä vaihelukitun silmukan ohjaamiseksi ja vaihelukittu silmukka |
US5488332A (en) * | 1994-06-10 | 1996-01-30 | Oki Telecom | Reversed phase-locked loop |
US5483203A (en) * | 1994-11-01 | 1996-01-09 | Motorola, Inc. | Frequency synthesizer having modulation deviation correction via presteering stimulus |
US5650754A (en) * | 1995-02-15 | 1997-07-22 | Synergy Microwave Corporation | Phase-loched loop circuits and voltage controlled oscillator circuits |
JPH09162730A (ja) * | 1995-11-29 | 1997-06-20 | Internatl Business Mach Corp <Ibm> | Pll回路 |
US5648744A (en) * | 1995-12-22 | 1997-07-15 | Microtune, Inc. | System and method for voltage controlled oscillator automatic band selection |
US5926515A (en) * | 1995-12-26 | 1999-07-20 | Samsung Electronics Co., Ltd. | Phase locked loop for improving a phase locking time |
DE19634084A1 (de) * | 1996-08-23 | 1998-02-26 | Philips Patentverwaltung | Phasenregelkreis |
GB2330258B (en) * | 1997-10-07 | 2001-06-20 | Nec Technologies | Phase locked loop circuit |
WO1999021281A1 (en) | 1997-10-21 | 1999-04-29 | Lautzenhiser Lloyd L | Adaptive frequency-hopping oscillators |
US6411237B1 (en) | 1997-10-21 | 2002-06-25 | Emhiser Research Ltd | Nonlinear digital-to-analog converters |
EP0933875A1 (de) * | 1998-02-02 | 1999-08-04 | Sony International (Europe) GmbH | Spannungsgesteuerter Oszillator |
US6993314B2 (en) | 1998-05-29 | 2006-01-31 | Silicon Laboratories Inc. | Apparatus for generating multiple radio frequencies in communication circuitry and associated methods |
US7035607B2 (en) * | 1998-05-29 | 2006-04-25 | Silicon Laboratories Inc. | Systems and methods for providing an adjustable reference signal to RF circuitry |
US6574288B1 (en) | 1998-05-29 | 2003-06-03 | Silicon Laboratories Inc. | Method and apparatus for adjusting a digital control word to tune synthesized high-frequency signals for wireless communications |
US7092675B2 (en) * | 1998-05-29 | 2006-08-15 | Silicon Laboratories | Apparatus and methods for generating radio frequencies in communication circuitry using multiple control signals |
US7221921B2 (en) * | 1998-05-29 | 2007-05-22 | Silicon Laboratories | Partitioning of radio-frequency apparatus |
US6167245A (en) * | 1998-05-29 | 2000-12-26 | Silicon Laboratories, Inc. | Method and apparatus for operating a PLL with a phase detector/sample hold circuit for synthesizing high-frequency signals for wireless communications |
US7242912B2 (en) * | 1998-05-29 | 2007-07-10 | Silicon Laboratories Inc. | Partitioning of radio-frequency apparatus |
US6327463B1 (en) | 1998-05-29 | 2001-12-04 | Silicon Laboratories, Inc. | Method and apparatus for generating a variable capacitance for synthesizing high-frequency signals for wireless communications |
US6226506B1 (en) * | 1998-05-29 | 2001-05-01 | Silicon Laboratories, Inc. | Method and apparatus for eliminating floating voltage nodes within a discreetly variable capacitance used for synthesizing high-frequency signals for wireless communications |
US6304146B1 (en) | 1998-05-29 | 2001-10-16 | Silicon Laboratories, Inc. | Method and apparatus for synthesizing dual band high-frequency signals for wireless communications |
US6308055B1 (en) | 1998-05-29 | 2001-10-23 | Silicon Laboratories, Inc. | Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications |
US6233441B1 (en) | 1998-05-29 | 2001-05-15 | Silicon Laboratories, Inc. | Method and apparatus for generating a discretely variable capacitance for synthesizing high-frequency signals for wireless communications |
US6150891A (en) * | 1998-05-29 | 2000-11-21 | Silicon Laboratories, Inc. | PLL synthesizer having phase shifted control signals |
US6147567A (en) * | 1998-05-29 | 2000-11-14 | Silicon Laboratories Inc. | Method and apparatus for providing analog and digitally controlled capacitances for synthesizing high-frequency signals for wireless communications |
US6311050B1 (en) * | 1998-05-29 | 2001-10-30 | Silicon Laboratories, Inc. | Single integrated circuit phase locked loop for synthesizing high-frequency signals for wireless communications and method for operating same |
US6137372A (en) * | 1998-05-29 | 2000-10-24 | Silicon Laboratories Inc. | Method and apparatus for providing coarse and fine tuning control for synthesizing high-frequency signals for wireless communications |
EP0993122B1 (de) * | 1998-10-06 | 2005-05-11 | STMicroelectronics S.r.l. | Verfahren zur Reduzierung der Einschwingzeit von PLL Schaltungen |
US6239664B1 (en) * | 1999-03-05 | 2001-05-29 | Rf Monolithics, Inc. | Low phase noise, wide tuning range oscillator utilizing a one port saw resonator and method of operation |
DE19909736C2 (de) * | 1999-03-05 | 2003-06-12 | Micronas Gmbh | Schaltungsanordnung zum Erzeugen des Steuerpotentials für einen Feldeffekttransistor |
FI106757B (fi) * | 1999-03-15 | 2001-03-30 | Nokia Networks Oy | Menetelmä ja järjestely ohjaussignaalin muodostamiseksi |
CN1307406A (zh) | 2000-01-27 | 2001-08-08 | 华为技术有限公司 | 数字锁相环的滤波方法 |
EP1184987B1 (de) * | 2000-03-21 | 2006-06-14 | Nippon Telegraph and Telephone Corporation | Phasenregelschleife |
US6323735B1 (en) | 2000-05-25 | 2001-11-27 | Silicon Laboratories, Inc. | Method and apparatus for synthesizing high-frequency signals utilizing on-package oscillator circuit inductors |
TWI264876B (en) * | 2001-03-21 | 2006-10-21 | Mediatek Inc | PLL frequency synthesizer |
DE10122194A1 (de) * | 2001-05-08 | 2002-11-28 | Infineon Technologies Ag | Phasenregelschleife |
GB2389254B (en) * | 2002-05-31 | 2005-09-07 | Hitachi Ltd | Semiconductor integrated circuit device for communication |
US6714085B1 (en) | 2002-10-24 | 2004-03-30 | General Dynamics Decision Systems, Inc | Prepositioned frequency synthesizer and method therefor |
DE10320513A1 (de) * | 2003-04-28 | 2004-11-18 | Atmel Germany Gmbh | Vorrichtung und Verfahren zum Betreiben eines Oszillators |
US7498888B2 (en) | 2003-12-19 | 2009-03-03 | Nxp B.V. | Method and arrangement for interference compensation in a voltage-controlled frequency generator |
US7158841B1 (en) * | 2004-04-23 | 2007-01-02 | Summit Microelectronics, Inc. | Active DC output control and method for controlling targeted applications |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2469823A1 (fr) * | 1979-11-09 | 1981-05-22 | Thomson Csf | Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur |
FR2483704A1 (fr) * | 1980-06-03 | 1981-12-04 | Thomson Csf | Dispositif de prepositionnement de frequence pour synthetiseur indirect de frequence et synthetiseur comportant un tel dispositif |
US4410860A (en) * | 1980-12-31 | 1983-10-18 | Rca Corporation | Frequency synthesizer with learning circuit |
JPS57160227A (en) * | 1981-03-30 | 1982-10-02 | Fujitsu Ltd | Frequency synthesizer |
US4562410A (en) * | 1983-12-29 | 1985-12-31 | Rca Corporation | Phase lock loop prepositioning apparatus with feedback control |
DE3526363A1 (de) * | 1985-07-19 | 1987-01-22 | Siemens Ag | Verfahren zum herstellen eines einstellbaren frequenzgenerators |
US4704585A (en) * | 1986-08-08 | 1987-11-03 | Hughes Aircraft Company | Rapid frequency synthesizer apparatus and method |
CA1325251C (en) * | 1988-09-02 | 1993-12-14 | Shigeki Saito | Frequency synthesizer |
-
1990
- 1990-05-16 JP JP2126114A patent/JPH03157018A/ja active Pending
- 1990-07-30 US US07/559,040 patent/US5036295A/en not_active Expired - Fee Related
- 1990-08-07 DE DE69020452T patent/DE69020452T2/de not_active Expired - Fee Related
- 1990-08-07 EP EP90115127A patent/EP0412491B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0412491A2 (de) | 1991-02-13 |
EP0412491A3 (en) | 1991-10-02 |
JPH03157018A (ja) | 1991-07-05 |
DE69020452T2 (de) | 1996-04-04 |
US5036295A (en) | 1991-07-30 |
EP0412491B1 (de) | 1995-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |