TW307068B - - Google Patents
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- Publication number
- TW307068B TW307068B TW084110393A TW84110393A TW307068B TW 307068 B TW307068 B TW 307068B TW 084110393 A TW084110393 A TW 084110393A TW 84110393 A TW84110393 A TW 84110393A TW 307068 B TW307068 B TW 307068B
- Authority
- TW
- Taiwan
- Prior art keywords
- coupled
- frequency
- input
- output
- register
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 21
- 230000001052 transient effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008713 feedback mechanism Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 240000008866 Ziziphus nummularia Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
- H03C3/0925—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop applying frequency modulation at the divider in the feedback loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
- H03C3/0933—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop using fractional frequency division in the feedback loop of the phase locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point 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
- H03L7/187—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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/332,973 US5483203A (en) | 1994-11-01 | 1994-11-01 | Frequency synthesizer having modulation deviation correction via presteering stimulus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW307068B true TW307068B (enExample) | 1997-06-01 |
Family
ID=23300693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW084110393A TW307068B (enExample) | 1994-11-01 | 1995-10-04 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5483203A (enExample) |
| AU (1) | AU3638995A (enExample) |
| MY (1) | MY111848A (enExample) |
| TW (1) | TW307068B (enExample) |
| WO (1) | WO1996013895A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI765825B (zh) * | 2021-09-17 | 2022-05-21 | 國立高雄科技大學 | 注入鎖定鎖頻迴路振盪單元 |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6178316B1 (en) | 1997-04-29 | 2001-01-23 | Meta-C Corporation | Radio frequency modulation employing a periodic transformation system |
| US5983077A (en) * | 1997-07-31 | 1999-11-09 | Ericsson Inc. | Systems and methods for automatic deviation setting and control in radio transmitters |
| US6661852B1 (en) | 1999-07-21 | 2003-12-09 | Raytheon Company | Apparatus and method for quadrature tuner error correction |
| US6640237B1 (en) | 1999-07-27 | 2003-10-28 | Raytheon Company | Method and system for generating a trigonometric function |
| US6298093B1 (en) | 1999-08-05 | 2001-10-02 | Raytheon Company | Apparatus and method for phase and frequency digital modulation |
| DE19958206C2 (de) * | 1999-12-02 | 2002-03-28 | Infineon Technologies Ag | Sendevorrichtung |
| US6647075B1 (en) | 2000-03-17 | 2003-11-11 | Raytheon Company | Digital tuner with optimized clock frequency and integrated parallel CIC filter and local oscillator |
| US6590948B1 (en) | 2000-03-17 | 2003-07-08 | Raytheon Company | Parallel asynchronous sample rate reducer |
| US6268780B1 (en) | 2000-04-26 | 2001-07-31 | National Semiconductor Corporation | Frequency synthesizer with digital frequency lock loop |
| US6678503B1 (en) * | 2000-05-17 | 2004-01-13 | Intersil Americas Inc. | Apparatus for radio frequency processing with dual modulus synthesizer |
| KR100396880B1 (ko) * | 2000-08-28 | 2003-09-02 | 삼성전자주식회사 | 가변 반송 주파수를 가지는 저잡음 주파수 변조기 |
| US6512470B2 (en) * | 2001-01-05 | 2003-01-28 | Lite-On It Corp. | Method of voltage controlled oscillator digital/analog converted value adjustment of compact disk read only memory device |
| DE10108636A1 (de) * | 2001-02-22 | 2002-09-19 | Infineon Technologies Ag | Abgleichverfahren und Abgleicheinrichtung für PLL-Schaltung zur Zwei-Punkt-Modulation |
| US6734749B2 (en) | 2001-05-29 | 2004-05-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Direct modulated phase-locked loop |
| DE10147963A1 (de) * | 2001-09-28 | 2003-04-30 | Infineon Technologies Ag | Abgleichverfahren für eine nach dem Zwei-Punkt-Prinzip arbeitende PLL-Schaltung und PLL-Schaltung mit einer Abgleichvorrichtung |
| DE10207544A1 (de) * | 2002-02-22 | 2003-09-18 | Infineon Technologies Ag | Verfahren zum Abgleichen eines Zwei-Punkt-Modulators und Zwei-Punkt-Modulator mit einer Abgleichvorrichtung |
| GB2389252B (en) * | 2002-05-31 | 2006-09-27 | Zarlink Semiconductor Ltd | A frequency modulation system & method |
| US6909331B2 (en) * | 2002-08-28 | 2005-06-21 | Qualcomm Incorporated | Phase locked loop having a forward gain adaptation module |
| US6700447B1 (en) | 2002-09-06 | 2004-03-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Trimming of a two point phase modulator |
| DE60304716D1 (de) * | 2002-09-06 | 2006-05-24 | Ericsson Telefon Ab L M | Phasenregelkreismodulator mit korrektur der verstärkung des modulationssignals |
| US7158603B2 (en) * | 2002-12-26 | 2007-01-02 | Freescale Semiconductor, Inc. | Method and apparatus for compensating deviation variances in a 2-level FSK FM transmitter |
| DE10320513A1 (de) * | 2003-04-28 | 2004-11-18 | Atmel Germany Gmbh | Vorrichtung und Verfahren zum Betreiben eines Oszillators |
| US7015738B1 (en) * | 2003-06-18 | 2006-03-21 | Weixun Cao | Direct modulation of a voltage-controlled oscillator (VCO) with adaptive gain control |
| US7636386B2 (en) * | 2005-11-15 | 2009-12-22 | Panasonic Corporation | Method of continuously calibrating the gain for a multi-path angle modulator |
| US7863157B2 (en) * | 2006-03-17 | 2011-01-04 | Silicon Genesis Corporation | Method and structure for fabricating solar cells using a layer transfer process |
| US20140106681A1 (en) * | 2012-10-12 | 2014-04-17 | Qualcomm Incorporated | Ku ADAPTATION FOR PHASE-LOCKED LOOP WITH TWO-POINT MODULATION |
| CN112737576B (zh) * | 2020-12-16 | 2023-12-12 | 深圳市紫光同创电子有限公司 | 选频电路 |
| CN113098506B (zh) * | 2021-03-30 | 2022-06-17 | 联芸科技（杭州）有限公司 | 分频电路、分频方法及锁相环 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03157018A (ja) * | 1989-08-10 | 1991-07-05 | Mitsubishi Electric Corp | 周波数シンセサイザ |
| US5027087A (en) * | 1990-02-02 | 1991-06-25 | Motorola, Inc. | Fast-switching frequency synthesizer |
| US5207491A (en) * | 1991-01-31 | 1993-05-04 | Motorola Inc. | Fast-switching frequency synthesizer |
-
1994
- 1994-11-01 US US08/332,973 patent/US5483203A/en not_active Expired - Fee Related
-
1995
- 1995-09-25 WO PCT/US1995/012109 patent/WO1996013895A1/en not_active Ceased
- 1995-09-25 AU AU36389/95A patent/AU3638995A/en not_active Abandoned
- 1995-10-04 TW TW084110393A patent/TW307068B/zh active
- 1995-10-27 MY MYPI95003250A patent/MY111848A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI765825B (zh) * | 2021-09-17 | 2022-05-21 | 國立高雄科技大學 | 注入鎖定鎖頻迴路振盪單元 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1996013895A1 (en) | 1996-05-09 |
| AU3638995A (en) | 1996-05-23 |
| MY111848A (en) | 2001-01-31 |
| US5483203A (en) | 1996-01-09 |
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