GB2410629A - A phase locked loop with automatic gain control - Google Patents
A phase locked loop with automatic gain control Download PDFInfo
- Publication number
- GB2410629A GB2410629A GB0328898A GB0328898A GB2410629A GB 2410629 A GB2410629 A GB 2410629A GB 0328898 A GB0328898 A GB 0328898A GB 0328898 A GB0328898 A GB 0328898A GB 2410629 A GB2410629 A GB 2410629A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- gain
- signal
- pll
- output
- 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.)
- Granted
Links
- 230000008859 change Effects 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000007704 transition Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 229920000729 poly(L-lysine) polymer Polymers 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000011867 re-evaluation Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
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
- H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
- H03L7/1077—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the phase or frequency detection means
-
- 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
- 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
- H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
-
- 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (16)
Priority Applications (17)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0610934A GB2426879C (en) | 2003-12-12 | 2003-12-12 | A phase locked loop that sets gain automatically |
ES04814246T ES2357436T3 (en) | 2003-12-12 | 2004-12-13 | PHASE HITCH LOOP THAT REGULATES GAIN AUTOMATICALLY. |
EP04814246A EP1692768B1 (en) | 2003-12-12 | 2004-12-13 | A phase locked loop that sets gain automatically |
KR1020067013945A KR100952526B1 (en) | 2003-12-12 | 2004-12-13 | A phase locked loop that sets gain automatically |
JP2006544126A JP2007532045A (en) | 2003-12-12 | 2004-12-13 | Phase-locked loop with automatic gain setting |
AT04814246T ATE497652T1 (en) | 2003-12-12 | 2004-12-13 | PHASE CONTROL LOOP THAT AUTOMATICALLY SETS GAIN |
DE602004028879T DE602004028879D1 (en) | 2003-12-12 | 2004-12-13 | Phase locked loop with automatic gain adjustment |
AT08000503T ATE479231T1 (en) | 2003-12-12 | 2004-12-13 | PHASE CONTROL LOOP WITH AUTOMATIC GAIN ADJUSTMENT |
PL04814246T PL1692768T3 (en) | 2003-12-12 | 2004-12-13 | A phase locked loop that sets gain automatically |
PCT/US2004/042040 WO2005060103A2 (en) | 2003-12-12 | 2004-12-13 | A phase locked loop that sets gain automatically |
EP08000503A EP1912333B1 (en) | 2003-12-12 | 2004-12-13 | A phase locked loop that sets gain automatically |
DE602004031304T DE602004031304D1 (en) | 2003-12-12 | 2004-12-13 | PHASE CONTROL ARRANGEMENT THAT AUTOMATICALLY GAINS REINFORCEMENT |
EP10004606A EP2211467A1 (en) | 2003-12-12 | 2004-12-13 | A phase locked loop that sets gain automatically |
PL08000503T PL1912333T3 (en) | 2003-12-12 | 2004-12-13 | A phase locked loop that sets gain automatically |
ES08000503T ES2348107T3 (en) | 2003-12-12 | 2004-12-13 | A PHASE HOOK LOOP THAT REGULATES THE PROFIT AUTOMATICALLY. |
HK07105800A HK1101863A1 (en) | 2003-12-12 | 2007-05-31 | A phase locked loop that sets gain automatically |
JP2010209460A JP2011041300A (en) | 2003-12-12 | 2010-09-17 | Phase locked loop that set gain automatically |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0610934A GB2426879C (en) | 2003-12-12 | 2003-12-12 | A phase locked loop that sets gain automatically |
Publications (4)
Publication Number | Publication Date |
---|---|
GB0328898D0 GB0328898D0 (en) | 2004-01-14 |
GB2410629A true GB2410629A (en) | 2005-08-03 |
GB2410629B GB2410629B (en) | 2006-11-01 |
GB2410629C GB2410629C (en) | 2008-01-03 |
Family
ID=39952196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0328898A Expired - Fee Related GB2410629C (en) | 2003-12-12 | 2003-12-12 | A phase locked loop that sets gain automatically |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2410629C (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986000768A1 (en) * | 1984-07-09 | 1986-01-30 | Selenia, Industrie Elettroniche Associate | Device for tuning a vco to the carrier frequency of each radar pulse |
JPS61245628A (en) * | 1985-04-24 | 1986-10-31 | Hitachi Ltd | Phase locked loop circuit |
JPH01241920A (en) * | 1988-03-24 | 1989-09-26 | Nec Corp | Phase locked loop circuit |
US5487093A (en) * | 1994-05-26 | 1996-01-23 | Texas Instruments Incorporated | Autoranging digital analog phase locked loop |
US6249189B1 (en) * | 1998-08-05 | 2001-06-19 | National Science Council Of Republic Of China | Frequency synthesizer accomplished by using multiphase reference signal source |
-
2003
- 2003-12-12 GB GB0328898A patent/GB2410629C/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986000768A1 (en) * | 1984-07-09 | 1986-01-30 | Selenia, Industrie Elettroniche Associate | Device for tuning a vco to the carrier frequency of each radar pulse |
JPS61245628A (en) * | 1985-04-24 | 1986-10-31 | Hitachi Ltd | Phase locked loop circuit |
JPH01241920A (en) * | 1988-03-24 | 1989-09-26 | Nec Corp | Phase locked loop circuit |
US5487093A (en) * | 1994-05-26 | 1996-01-23 | Texas Instruments Incorporated | Autoranging digital analog phase locked loop |
US6249189B1 (en) * | 1998-08-05 | 2001-06-19 | National Science Council Of Republic Of China | Frequency synthesizer accomplished by using multiphase reference signal source |
Also Published As
Publication number | Publication date |
---|---|
GB2410629B (en) | 2006-11-01 |
GB0328898D0 (en) | 2004-01-14 |
GB2410629C (en) | 2008-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
COOA | Change in applicant's name or ownership of the application |
Owner name: QUALCOMM INCORPORATED Free format text: FORMER APPLICANT(S): QUALCOMM (UK) LIMITED |
|
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1082849 Country of ref document: HK |
|
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1082849 Country of ref document: HK |
|
711B | Application made for correction of error (sect. 117/77) | ||
711G | Correction allowed (sect. 117/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20121212 |