SE513521C2 - Programmerbar frekvensdelarapparat - Google Patents
Programmerbar frekvensdelarapparatInfo
- Publication number
- SE513521C2 SE513521C2 SE9102361A SE9102361A SE513521C2 SE 513521 C2 SE513521 C2 SE 513521C2 SE 9102361 A SE9102361 A SE 9102361A SE 9102361 A SE9102361 A SE 9102361A SE 513521 C2 SE513521 C2 SE 513521C2
- Authority
- SE
- Sweden
- Prior art keywords
- programmable frequency
- gate
- signal
- frequency divider
- output signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
- H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
- H03K23/667—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by switching the base during a counting cycle
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
- H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23738790A JP2572302B2 (ja) | 1990-09-07 | 1990-09-07 | 可変分周装置 |
JP23738690A JPH0783257B2 (ja) | 1990-09-07 | 1990-09-07 | 可変分周装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9102361D0 SE9102361D0 (sv) | 1991-08-15 |
SE9102361L SE9102361L (sv) | 1992-03-08 |
SE513521C2 true SE513521C2 (sv) | 2000-09-25 |
Family
ID=26533187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9102361A SE513521C2 (sv) | 1990-09-07 | 1991-08-15 | Programmerbar frekvensdelarapparat |
Country Status (9)
Country | Link |
---|---|
US (1) | US5195111A (ko) |
KR (1) | KR950003018B1 (ko) |
CA (1) | CA2049225C (ko) |
DE (1) | DE4129657C2 (ko) |
ES (1) | ES2038075B1 (ko) |
FR (1) | FR2666707B1 (ko) |
GB (1) | GB2248708B (ko) |
IT (1) | IT1251549B (ko) |
SE (1) | SE513521C2 (ko) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69322818T2 (de) * | 1992-07-17 | 1999-07-29 | Koninkl Philips Electronics Nv | Mikroprozessor mit Taktzählung mit Hilfe von Registern, um bei einem zuvor bestimmten Zählerstand ein Befehlssignal einstellbarer Form zu erzeugen, und damit zu verwendendes hierarchisches Unterbrechungssystem |
EP0602422A1 (en) * | 1992-12-15 | 1994-06-22 | International Business Machines Corporation | Dynamic frequency shifting with divide by one clock generators |
DE4308979A1 (de) * | 1993-03-20 | 1994-09-22 | Philips Patentverwaltung | Zähler- und/oder Teileranordnung |
FR2719728A1 (fr) * | 1994-05-04 | 1995-11-10 | Philips Composants | Diviseur de fréquence, synthétiseur de fréquence comportant un tel diviseur et radiotéléphone comportant un tel synthétiseur. |
DE19729476C2 (de) * | 1997-07-10 | 2000-04-27 | Nokia Networks Oy | Numerisch gesteuerter Oszillator |
US5948046A (en) * | 1997-12-15 | 1999-09-07 | Telefonaktiebolaget Lm Ericsson | Multi-divide frequency division |
US6157693A (en) * | 1998-09-30 | 2000-12-05 | Conexant Systems, Inc. | Low voltage dual-modulus prescaler circuit using merged pseudo-differential logic |
EP1490973A2 (en) * | 2001-05-17 | 2004-12-29 | Koninklijke Philips Electronics N.V. | Improved frequency divider with reduced jitter and apparatus based thereon |
JP4386725B2 (ja) * | 2001-08-29 | 2009-12-16 | エヌエックスピー ビー ヴィ | 低減されたジッタを備える改良された分周器及びそれに基づく送信器 |
US6950958B2 (en) * | 2001-10-15 | 2005-09-27 | Intel Corporation | Method and apparatus for dividing a high-frequency clock signal and further dividing the divided high-frequency clock signal in accordance with a data input |
DE10251703B4 (de) * | 2002-11-06 | 2005-08-04 | Infineon Technologies Ag | Schaltungsanordnung zur Frequenzteilung und Phasenregelschleife mit der Schaltungsanordnung |
DE102004010405B4 (de) * | 2004-03-01 | 2006-01-12 | Infineon Technologies Ag | Frequenzteilerschaltung mit steuerbarem Frequenzteilerverhältnis und Verfahren zur Frequenzteilung in einer Frequenzteilerschaltung |
EP1728327B1 (en) * | 2004-03-12 | 2008-07-02 | Nxp B.V. | Device comprising a frequency divider |
US7119587B2 (en) * | 2004-05-20 | 2006-10-10 | International Business Machines Corporation | High frequency divider state correction circuit |
US7196558B2 (en) * | 2005-03-10 | 2007-03-27 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Frequency divider with slip |
DE102006018347A1 (de) * | 2006-04-19 | 2007-10-25 | Schwechten, Dieter, Dr. | Vorrichtung für die Sammlung pyrogener Stäube |
US7924069B2 (en) * | 2006-06-28 | 2011-04-12 | Qualcomm Incorporated | Multi-modulus divider retiming circuit |
US8565368B1 (en) * | 2012-05-25 | 2013-10-22 | Micrel, Inc. | Wide range multi-modulus divider in fractional-N frequency synthesizer |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3202837A (en) * | 1962-09-05 | 1965-08-24 | Diamond Power Speciality | Frequency divider employing receptacles having preset frequency ratio connections for standard frequency plug-in units |
US4053739A (en) * | 1976-08-11 | 1977-10-11 | Motorola, Inc. | Dual modulus programmable counter |
DE2644270B2 (de) * | 1976-09-30 | 1979-09-13 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Taktsteuerbare Impulszähleinrichtung mit wählbarem Teilerverhältnis |
JPS5673907A (en) * | 1979-11-21 | 1981-06-19 | Hitachi Ltd | Frequency divider |
JPS5718129A (en) * | 1980-07-07 | 1982-01-29 | Nec Corp | Pulse swallow frequency divider |
GB2089539B (en) * | 1980-12-08 | 1984-08-01 | Plessey Co Ltd | Adjustable ratio divider |
US4575867A (en) * | 1982-08-09 | 1986-03-11 | Rockwell International Corporation | High speed programmable prescaler |
JPS59181831A (ja) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | 可変分周器 |
JPS60136422A (ja) * | 1983-12-26 | 1985-07-19 | Hitachi Ltd | プリスケラ |
JPS61280121A (ja) * | 1985-06-05 | 1986-12-10 | Oki Electric Ind Co Ltd | 2モジユラスプリスケ−ラ |
US4715052A (en) * | 1986-03-10 | 1987-12-22 | Texas Instruments Incorporated | Frequency divide by N circuit |
US4703495A (en) * | 1986-05-23 | 1987-10-27 | Advanced Micro Device, Inc. | High speed frequency divide-by-5 circuit |
DE3705629A1 (de) * | 1987-02-21 | 1988-09-01 | Thomson Brandt Gmbh | Programmierbarer frequenzteiler sowie verfahren zur erzeugung eines niederfrequenten signals aus einem hochfrequenten signal |
US4975931A (en) * | 1988-12-19 | 1990-12-04 | Hughes Aircraft Company | High speed programmable divider |
JP3003078B2 (ja) * | 1989-10-16 | 2000-01-24 | 日本無線株式会社 | 分周比の切換え可能な分周回路 |
JP2572283B2 (ja) * | 1989-10-23 | 1997-01-16 | 日本無線株式会社 | 可変分周回路 |
GB2237434A (en) * | 1990-09-12 | 1991-05-01 | Brendan Roberts | Intruder alarm external sounder housing |
-
1991
- 1991-08-13 US US07/744,448 patent/US5195111A/en not_active Expired - Fee Related
- 1991-08-14 GB GB9117506A patent/GB2248708B/en not_active Expired - Fee Related
- 1991-08-15 SE SE9102361A patent/SE513521C2/sv not_active IP Right Cessation
- 1991-08-15 CA CA002049225A patent/CA2049225C/en not_active Expired - Fee Related
- 1991-09-02 ES ES09101966A patent/ES2038075B1/es not_active Expired - Fee Related
- 1991-09-04 IT ITMI912350A patent/IT1251549B/it active IP Right Grant
- 1991-09-04 FR FR9110914A patent/FR2666707B1/fr not_active Expired - Fee Related
- 1991-09-06 DE DE4129657A patent/DE4129657C2/de not_active Expired - Fee Related
- 1991-09-07 KR KR1019910015636A patent/KR950003018B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ITMI912350A0 (it) | 1991-09-04 |
ES2038075A1 (es) | 1993-07-01 |
GB9117506D0 (en) | 1991-10-02 |
CA2049225A1 (en) | 1992-03-08 |
KR950003018B1 (ko) | 1995-03-29 |
DE4129657C2 (de) | 1994-02-24 |
IT1251549B (it) | 1995-05-17 |
SE9102361D0 (sv) | 1991-08-15 |
GB2248708B (en) | 1994-07-27 |
CA2049225C (en) | 1996-10-22 |
US5195111A (en) | 1993-03-16 |
FR2666707A1 (fr) | 1992-03-13 |
KR920007348A (ko) | 1992-04-28 |
DE4129657A1 (de) | 1992-03-12 |
ITMI912350A1 (it) | 1993-03-04 |
GB2248708A (en) | 1992-04-15 |
SE9102361L (sv) | 1992-03-08 |
ES2038075B1 (es) | 1994-06-16 |
FR2666707B1 (fr) | 1996-06-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |