FI951471A - Förfarande för avstämning av en oscillators medelfrekvens - Google Patents
Förfarande för avstämning av en oscillators medelfrekvens Download PDFInfo
- Publication number
- FI951471A FI951471A FI951471A FI951471A FI951471A FI 951471 A FI951471 A FI 951471A FI 951471 A FI951471 A FI 951471A FI 951471 A FI951471 A FI 951471A FI 951471 A FI951471 A FI 951471A
- Authority
- FI
- Finland
- Prior art keywords
- center frequency
- frequency tuning
- tuning method
- oscillator center
- oscillator
- 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
- 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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI951471A FI98577C (sv) | 1995-03-28 | 1995-03-28 | Förfarande för avstämning av en oscillators medelfrekvens |
EP96302108A EP0735693A1 (en) | 1995-03-28 | 1996-03-27 | A voltage controlled oscillator circuit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI951471 | 1995-03-28 | ||
FI951471A FI98577C (sv) | 1995-03-28 | 1995-03-28 | Förfarande för avstämning av en oscillators medelfrekvens |
Publications (4)
Publication Number | Publication Date |
---|---|
FI951471A0 FI951471A0 (sv) | 1995-03-28 |
FI951471A true FI951471A (sv) | 1996-09-29 |
FI98577B FI98577B (sv) | 1997-03-27 |
FI98577C FI98577C (sv) | 1997-07-10 |
Family
ID=8543139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI951471A FI98577C (sv) | 1995-03-28 | 1995-03-28 | Förfarande för avstämning av en oscillators medelfrekvens |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0735693A1 (sv) |
FI (1) | FI98577C (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2330258B (en) * | 1997-10-07 | 2001-06-20 | Nec Technologies | Phase locked loop circuit |
FI106757B (sv) | 1999-03-15 | 2001-03-30 | Nokia Networks Oy | Förfarande och anordning för bildning av en styrsignal |
DE10106941C2 (de) | 2001-02-15 | 2003-05-08 | Texas Instruments Deutschland | Phasen- und Frequenznachlaufsynchronisationsschaltungen |
US7546097B2 (en) | 2002-03-06 | 2009-06-09 | Qualcomm Incorporated | Calibration techniques for frequency synthesizers |
US7116183B2 (en) | 2004-02-05 | 2006-10-03 | Qualcomm Incorporated | Temperature compensated voltage controlled oscillator |
DE102004014204B4 (de) * | 2004-03-23 | 2006-11-09 | Infineon Technologies Ag | Phasenregelkreis und Verfahren zur Phasenkorrektur eines frequenzsteuerbaren Oszillators |
EP2353059A1 (en) * | 2008-11-12 | 2011-08-10 | Anagear B.V. | Power supply management controller integrated circuit, power management circuit for electrically powered systems, and method of managing power to such systems |
FR2946488B1 (fr) * | 2009-06-03 | 2012-05-04 | St Ericsson Sa | Correction de decalage de frequence |
US9906230B2 (en) * | 2016-04-14 | 2018-02-27 | Huawei Technologies Co., Ltd. | PLL system and method of operating same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4847569A (en) * | 1987-02-20 | 1989-07-11 | Wavetek Corporation | Automatic calibration system for a voltage control oscillator |
CA1325251C (en) * | 1988-09-02 | 1993-12-14 | Shigeki Saito | Frequency synthesizer |
KR910019345A (ko) * | 1990-04-06 | 1991-11-30 | 정용문 | 디스플레이장치의 자기주파수 자동동기 제어회로 |
IL96351A (en) * | 1990-11-14 | 1994-01-25 | Zuta Marc | Frequency synthesizer having microcomputer supplying analog and digital control signals to vco |
-
1995
- 1995-03-28 FI FI951471A patent/FI98577C/sv active
-
1996
- 1996-03-27 EP EP96302108A patent/EP0735693A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FI98577B (sv) | 1997-03-27 |
FI951471A0 (sv) | 1995-03-28 |
FI98577C (sv) | 1997-07-10 |
EP0735693A1 (en) | 1996-10-02 |
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Legal Events
Date | Code | Title | Description |
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BB | Publication of examined application |