BR9106204A - Sintetizador de laco de fase travada de laco de fase travada - Google Patents
Sintetizador de laco de fase travada de laco de fase travadaInfo
- Publication number
- BR9106204A BR9106204A BR919106204A BR9106204A BR9106204A BR 9106204 A BR9106204 A BR 9106204A BR 919106204 A BR919106204 A BR 919106204A BR 9106204 A BR9106204 A BR 9106204A BR 9106204 A BR9106204 A BR 9106204A
- Authority
- BR
- Brazil
- Prior art keywords
- locked phase
- lace
- synthesizer
- phase lace
- locked
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
- H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
-
- 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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/628,533 US5055803A (en) | 1990-12-14 | 1990-12-14 | Parameter tolerant PLL synthesizer |
| PCT/US1991/008977 WO1992010879A1 (en) | 1990-12-14 | 1991-12-02 | Parameter tolerant pll synthesizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9106204A true BR9106204A (pt) | 1993-03-23 |
Family
ID=24519292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR919106204A BR9106204A (pt) | 1990-12-14 | 1991-12-02 | Sintetizador de laco de fase travada de laco de fase travada |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5055803A (pt) |
| JP (1) | JP2844390B2 (pt) |
| AU (1) | AU639850B2 (pt) |
| BR (1) | BR9106204A (pt) |
| CA (1) | CA2071524C (pt) |
| DE (2) | DE4193102T (pt) |
| FR (1) | FR2671442B1 (pt) |
| GB (1) | GB2256984B (pt) |
| IT (1) | IT1250978B (pt) |
| WO (1) | WO1992010879A1 (pt) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2879763B2 (ja) * | 1989-06-27 | 1999-04-05 | ソニー株式会社 | Ｐｌｌのチャージポンプ回路 |
| US5144156A (en) * | 1990-06-15 | 1992-09-01 | Seiko Epson Corporation | Phase synchronizing circuit with feedback to control charge pump |
| US5371480A (en) * | 1992-12-04 | 1994-12-06 | Telefonaktiebolaget L M Ericsson | Step controlled signal generator |
| JPH09252249A (ja) * | 1996-03-15 | 1997-09-22 | Hitachi Ltd | Ｐｌｌ周波数シンセサイザ |
| US6659295B1 (en) * | 1999-03-26 | 2003-12-09 | L&P Property Management Company | Adjustable shelving/display system |
| US6420917B1 (en) * | 1999-10-01 | 2002-07-16 | Ericsson Inc. | PLL loop filter with switched-capacitor resistor |
| JP3613787B2 (ja) * | 1999-10-18 | 2005-01-26 | 日本プレシジョン・サーキッツ株式会社 | 自己変調型クロック発生回路 |
| FI114886B (fi) * | 2001-06-29 | 2005-01-14 | Nokia Corp | Menetelmä ja laite taajuussyntetisaattorin tehokkuuden parantamiseksi |
| US7459964B2 (en) * | 2004-03-26 | 2008-12-02 | Panasonic Corporation | Switched capacitor filter and feedback system |
| FR2875972B1 (fr) * | 2004-09-30 | 2006-12-15 | St Microelectronics Sa | Synthetiseur de frequence a pll |
| US8248123B2 (en) * | 2009-10-29 | 2012-08-21 | Stmicroelectronics Design & Application Gmbh | Loop filter |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740671A (en) * | 1972-04-06 | 1973-06-19 | Nasa | Filter for third-order phase-locked loops |
| US4352074A (en) * | 1980-02-01 | 1982-09-28 | Westinghouse Electric Corp. | Phase-locked loop filter |
| US4516083A (en) * | 1982-05-14 | 1985-05-07 | Motorola, Inc. | Fast lock PLL having out of lock detector control of loop filter and divider |
| US4506232A (en) * | 1982-07-19 | 1985-03-19 | Rockwell International Corporation | Third order PLL with increased high frequency gain |
| US4546329A (en) * | 1982-09-27 | 1985-10-08 | Motorola, Inc. | Frequency synthesizers adaptive loop filter with compensation for transients |
| US4559505A (en) * | 1983-01-04 | 1985-12-17 | Motorola, Inc. | Frequency synthesizer with improved priority channel switching |
| US4855689A (en) * | 1987-02-13 | 1989-08-08 | Hughes Aircraft Company | Phase lock loop with switchable filter for acquisition and tracking modes |
| DE3725732C1 (en) * | 1987-08-04 | 1988-12-08 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | PLL with variable oscillator - has control circuit with filter using low cut=off amplifier to attenuate phase noise |
| US4885553A (en) * | 1988-11-30 | 1989-12-05 | Motorola, Inc. | Continuously adaptive phase locked loop synthesizer |
| US4952889A (en) * | 1989-04-28 | 1990-08-28 | Motorola, Inc. | Loop filter modulated synthesizer |
-
1990
- 1990-12-14 US US07/628,533 patent/US5055803A/en not_active Expired - Lifetime
-
1991
- 1991-12-02 DE DE19914193102 patent/DE4193102T/de active Pending
- 1991-12-02 JP JP4502948A patent/JP2844390B2/ja not_active Expired - Fee Related
- 1991-12-02 WO PCT/US1991/008977 patent/WO1992010879A1/en active Application Filing
- 1991-12-02 GB GB9217114A patent/GB2256984B/en not_active Expired - Lifetime
- 1991-12-02 AU AU91484/91A patent/AU639850B2/en not_active Ceased
- 1991-12-02 CA CA002071524A patent/CA2071524C/en not_active Expired - Fee Related
- 1991-12-02 BR BR919106204A patent/BR9106204A/pt not_active IP Right Cessation
- 1991-12-02 DE DE4193102A patent/DE4193102C2/de not_active Expired - Lifetime
- 1991-12-11 IT ITRM910930A patent/IT1250978B/it active IP Right Grant
- 1991-12-13 FR FR9115551A patent/FR2671442B1/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2844390B2 (ja) | 1999-01-06 |
| IT1250978B (it) | 1995-04-24 |
| AU639850B2 (en) | 1993-08-05 |
| US5055803A (en) | 1991-10-08 |
| GB2256984A (en) | 1992-12-23 |
| ITRM910930A0 (it) | 1991-12-11 |
| ITRM910930A1 (it) | 1993-06-11 |
| CA2071524A1 (en) | 1992-06-15 |
| DE4193102T (pt) | 1992-12-10 |
| FR2671442A1 (fr) | 1992-07-10 |
| GB2256984B (en) | 1995-04-19 |
| FR2671442B1 (fr) | 1994-02-25 |
| CA2071524C (en) | 1996-10-22 |
| AU9148491A (en) | 1992-07-08 |
| JPH05505085A (ja) | 1993-07-29 |
| WO1992010879A1 (en) | 1992-06-25 |
| GB9217114D0 (en) | 1992-10-14 |
| DE4193102C2 (de) | 1997-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
| FF | Decision: intention to grant | ||
| FG9A | Patent or certificate of addition granted | ||
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 02/12/2011 |