DK124191D0 - Prescaler - Google Patents
PrescalerInfo
- Publication number
- DK124191D0 DK124191D0 DK911241A DK124191A DK124191D0 DK 124191 D0 DK124191 D0 DK 124191D0 DK 911241 A DK911241 A DK 911241A DK 124191 A DK124191 A DK 124191A DK 124191 D0 DK124191 D0 DK 124191D0
- Authority
- DK
- Denmark
- Prior art keywords
- prescaler
- 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
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/40—Gating or clocking signals applied to all stages, i.e. synchronous counters
- H03K23/48—Gating or clocking signals applied to all stages, i.e. synchronous counters with a base or radix other than a power of two
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/300,449 US4953187A (en) | 1989-01-23 | 1989-01-23 | High speed prescaler |
| PCT/US1990/000161 WO1990008428A1 (en) | 1989-01-23 | 1990-01-16 | High speed prescaler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK124191D0 true DK124191D0 (da) | 1991-06-25 |
| DK124191A DK124191A (da) | 1991-06-25 |
Family
ID=23159146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK124191A DK124191A (da) | 1989-01-23 | 1991-06-25 | Prescaler |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4953187A (da) |
| EP (1) | EP0454790A4 (da) |
| JP (1) | JPH04503135A (da) |
| KR (1) | KR910700566A (da) |
| CN (1) | CN1016659B (da) |
| DK (1) | DK124191A (da) |
| FI (1) | FI913521A0 (da) |
| WO (1) | WO1990008428A1 (da) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3451099B2 (ja) | 1991-12-06 | 2003-09-29 | 株式会社日立製作所 | 外部記憶サブシステム |
| US5430393A (en) * | 1993-05-10 | 1995-07-04 | Motorola, Inc. | Integrated circuit with a low-power mode and clock amplifier circuit for same |
| FR2737066B1 (fr) * | 1995-07-20 | 1997-09-19 | Matra Mhs | Dispositif de conversion analogique-numerique |
| US5859890A (en) * | 1997-02-26 | 1999-01-12 | Motorola, Inc. | Dual modulus prescaler |
| DE59812404D1 (de) * | 1997-09-18 | 2005-01-27 | Infineon Technologies Ag | Frequenzteiler mit geringem Stromverbrauch |
| GB9727247D0 (en) * | 1997-12-23 | 1998-02-25 | Sgs Thomson Microelectronics | A dividing circuit for dividing by even numbers |
| GB9727244D0 (en) | 1997-12-23 | 1998-02-25 | Sgs Thomson Microelectronics | A dividing circuit and transistor stage therefor |
| GB9727245D0 (en) * | 1997-12-23 | 1998-02-25 | Sgs Thomson Microelectronics | A programmable divider circuit |
| US5939911A (en) * | 1998-03-05 | 1999-08-17 | Motorola, Inc. | Frequency prescaler method and apparatus responsive to low input drive levels |
| DE19843199A1 (de) * | 1998-09-15 | 2000-03-16 | Hans Gustat | Frequenzteiler |
| KR20010034076A (ko) * | 1998-11-13 | 2001-04-25 | 롤페스 요하네스 게라투스 알베르투스 | Ｃｍｏｓ 이중 계수 링 카운터 |
| US6100730A (en) * | 1998-11-30 | 2000-08-08 | Motorola | Prescaler system circuits |
| SE519472C2 (sv) * | 2000-10-23 | 2003-03-04 | Spirea Ab | Prescaler innefattande en pulssväljarkrets; plussväljarkrets samt frekvenssyntesator |
| US6693468B2 (en) | 2001-06-12 | 2004-02-17 | Rf Micro Devices, Inc. | Fractional-N synthesizer with improved noise performance |
| US6448831B1 (en) | 2001-06-12 | 2002-09-10 | Rf Micro Devices, Inc. | True single-phase flip-flop |
| US6779010B2 (en) | 2001-06-12 | 2004-08-17 | Rf Micro Devices, Inc. | Accumulator with programmable full-scale range |
| US6385276B1 (en) | 2001-06-12 | 2002-05-07 | Rf Micro Devices, Inc. | Dual-modulus prescaler |
| US7003049B2 (en) * | 2001-06-12 | 2006-02-21 | Rf Micro Devices, Inc. | Fractional-N digital modulation with analog IQ interface |
| US6917662B2 (en) * | 2003-09-11 | 2005-07-12 | International Business Machines Corporation | Programmable low-power high-frequency divider |
| CN101534108B (zh) * | 2009-04-14 | 2011-05-11 | 清华大学 | 一种独立调节两相脉宽的不交叠时钟产生电路 |
| US8344765B2 (en) * | 2009-07-16 | 2013-01-01 | Qualcomm, Incorporated | Frequency divider with a configurable dividing ratio |
| CN102664624B (zh) * | 2012-03-29 | 2014-05-28 | 杭州电子科技大学 | 一种低功耗吞吐脉冲式分频器电路 |
| US10177773B2 (en) | 2016-10-19 | 2019-01-08 | Stmicroelectronics International N.V. | Programmable clock divider |
| CN115149943B (zh) * | 2022-08-31 | 2022-11-22 | 上海韬润半导体有限公司 | 分频电路 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193037A (en) * | 1978-03-20 | 1980-03-11 | Motorola, Inc. | Frequency divider circuit with selectable integer/non-integer division |
| JPS5673907A (en) * | 1979-11-21 | 1981-06-19 | Hitachi Ltd | Frequency divider |
| JPS5696532A (en) * | 1979-12-29 | 1981-08-04 | Citizen Watch Co Ltd | Frequency divider |
| US4394769A (en) * | 1981-06-15 | 1983-07-19 | Hughes Aircraft Company | Dual modulus counter having non-inverting feedback |
| JPS59181831A (ja) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | 可変分周器 |
| FR2587568B1 (fr) * | 1985-09-19 | 1987-12-11 | France Etat | Circuit numerique diviseur de frequence |
-
1989
- 1989-01-23 US US07/300,449 patent/US4953187A/en not_active Expired - Fee Related
-
1990
- 1990-01-16 WO PCT/US1990/000161 patent/WO1990008428A1/en not_active Application Discontinuation
- 1990-01-16 JP JP2503396A patent/JPH04503135A/ja active Pending
- 1990-01-16 KR KR1019900702084A patent/KR910700566A/ko not_active Application Discontinuation
- 1990-01-16 EP EP19900903273 patent/EP0454790A4/en not_active Withdrawn
- 1990-01-20 CN CN90100286A patent/CN1016659B/zh not_active Expired
-
1991
- 1991-06-25 DK DK124191A patent/DK124191A/da unknown
- 1991-07-23 FI FI913521A patent/FI913521A0/fi unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1016659B (zh) | 1992-05-13 |
| KR910700566A (ko) | 1991-03-15 |
| CN1044556A (zh) | 1990-08-08 |
| FI913521A0 (fi) | 1991-07-23 |
| EP0454790A1 (en) | 1991-11-06 |
| US4953187A (en) | 1990-08-28 |
| EP0454790A4 (en) | 1992-09-30 |
| WO1990008428A1 (en) | 1990-07-26 |
| DK124191A (da) | 1991-06-25 |
| JPH04503135A (ja) | 1992-06-04 |
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