CA1027185A - Symmetrical odd modulus frequency divider - Google Patents
Symmetrical odd modulus frequency dividerInfo
- Publication number
- CA1027185A CA1027185A CA235,404A CA235404A CA1027185A CA 1027185 A CA1027185 A CA 1027185A CA 235404 A CA235404 A CA 235404A CA 1027185 A CA1027185 A CA 1027185A
- Authority
- CA
- Canada
- Prior art keywords
- frequency divider
- modulus frequency
- odd modulus
- symmetrical
- symmetrical odd
- 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.)
- Expired
Links
Classifications
-
- 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
- H03K23/50—Gating or clocking signals applied to all stages, i.e. synchronous counters using bi-stable regenerative trigger circuits
- H03K23/54—Ring counters, i.e. feedback shift register counters
- H03K23/544—Ring counters, i.e. feedback shift register counters with a base which is an odd number
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/08—Output circuits
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/518,718 US3943379A (en) | 1974-10-29 | 1974-10-29 | Symmetrical odd modulus frequency divider |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1027185A true CA1027185A (en) | 1978-02-28 |
Family
ID=24065178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA235,404A Expired CA1027185A (en) | 1974-10-29 | 1975-09-15 | Symmetrical odd modulus frequency divider |
Country Status (7)
Country | Link |
---|---|
US (1) | US3943379A (de) |
JP (1) | JPS5227027B2 (de) |
CA (1) | CA1027185A (de) |
DE (1) | DE2548265C3 (de) |
FR (1) | FR2290097A1 (de) |
GB (1) | GB1508147A (de) |
IT (1) | IT1042719B (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7902111A (nl) * | 1979-03-16 | 1980-09-18 | Philips Nv | Inrichting voor het delen van een terugkerend ingangs- signaal door een gebroken faktor f, met name voor f=n-1/2. |
US4366394A (en) * | 1980-09-25 | 1982-12-28 | Rockwell International Corporation | Divide by three clock divider with symmetrical output |
US4348640A (en) * | 1980-09-25 | 1982-09-07 | Rockwell International Corporation | Divide by three clock divider with symmertical output |
US4394769A (en) * | 1981-06-15 | 1983-07-19 | Hughes Aircraft Company | Dual modulus counter having non-inverting feedback |
US4399549A (en) * | 1981-08-18 | 1983-08-16 | Zenith Radio Corporation | Odd number frequency division with symmetrical output |
FR2575013B1 (fr) * | 1984-12-14 | 1987-01-16 | Thomson Csf | Porte logique a coincidence, et circuits logiques sequentiels mettant en oeuvre cette porte a coincidence |
US4807266A (en) * | 1987-09-28 | 1989-02-21 | Compaq Computer Corporation | Circuit and method for performing equal duty cycle odd value clock division and clock synchronization |
JP2853894B2 (ja) * | 1990-08-24 | 1999-02-03 | 三菱電機株式会社 | 分周回路及びパルス信号作成回路 |
FI88567C (fi) * | 1991-07-04 | 1993-05-25 | Nokia Mobile Phones Ltd | En generell synkronisk 2N+1 -divisor |
JP2997139B2 (ja) * | 1992-12-03 | 2000-01-11 | 富士通株式会社 | 分周回路 |
US5867068A (en) * | 1997-10-27 | 1999-02-02 | Motorola, Inc. | Frequency synthesizer using double resolution fractional frequency division |
US6707326B1 (en) * | 1999-08-06 | 2004-03-16 | Skyworks Solutions, Inc. | Programmable frequency divider |
US6389095B1 (en) * | 2000-10-27 | 2002-05-14 | Qualcomm, Incorporated | Divide-by-three circuit |
US6983166B2 (en) * | 2001-08-20 | 2006-01-03 | Qualcomm, Incorporated | Power control for a channel with multiple formats in a communication system |
US6847239B2 (en) * | 2002-04-16 | 2005-01-25 | Research In Motion Limited | Frequency divider system |
WO2006016310A2 (en) * | 2004-08-06 | 2006-02-16 | Koninklijke Philips Electronics N.V. | Frequency divider |
NO323203B1 (no) * | 2004-09-24 | 2007-01-22 | Texas Instr Norway As | Kvadratur dele-pa-tre frekvensdeler |
US7796721B2 (en) * | 2008-10-30 | 2010-09-14 | Texas Instruments Incorporated | High speed, symmetrical prescaler |
US20100201409A1 (en) * | 2009-02-12 | 2010-08-12 | Sanyo Electric Co., Ltd. | Frequency Divider Circuit |
US11411570B1 (en) * | 2021-10-29 | 2022-08-09 | Hangzhou Geo-Chip Technology Co., Ltd. | Multi modulus frequency divider and electronic device |
CN116781065B (zh) * | 2023-08-23 | 2023-12-12 | 芯潮流(珠海)科技有限公司 | 高速异步双模预分频器及其控制方法、电子设备 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3341693A (en) * | 1963-06-21 | 1967-09-12 | Rca Corp | Pulse counter |
US3264567A (en) * | 1964-07-02 | 1966-08-02 | Rca Corp | Binary coded decimal counter circuits |
DE1249337B (de) * | 1964-10-27 | 1967-09-07 | ||
US3439278A (en) * | 1967-01-24 | 1969-04-15 | Bell Telephone Labor Inc | Counter circuit for providing a square-wave output |
FR1537712A (fr) * | 1967-04-26 | 1968-08-30 | Bull General Electric | Perfectionnements aux étages de transfert-stockage pour registres à décalage et arrangements analogues |
US3851258A (en) * | 1973-12-13 | 1974-11-26 | Rca Corp | Gateless logic for producing selectable phase clock pulses |
-
1974
- 1974-10-29 US US05/518,718 patent/US3943379A/en not_active Expired - Lifetime
-
1975
- 1975-09-15 CA CA235,404A patent/CA1027185A/en not_active Expired
- 1975-09-19 IT IT27454/75A patent/IT1042719B/it active
- 1975-10-16 GB GB42520/75A patent/GB1508147A/en not_active Expired
- 1975-10-22 JP JP50127854A patent/JPS5227027B2/ja not_active Expired
- 1975-10-28 DE DE2548265A patent/DE2548265C3/de not_active Expired
- 1975-10-28 FR FR7532961A patent/FR2290097A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2290097A1 (fr) | 1976-05-28 |
GB1508147A (en) | 1978-04-19 |
DE2548265C3 (de) | 1979-12-06 |
US3943379A (en) | 1976-03-09 |
DE2548265B2 (de) | 1979-04-19 |
DE2548265A1 (de) | 1976-05-13 |
IT1042719B (it) | 1980-01-30 |
JPS5167052A (de) | 1976-06-10 |
JPS5227027B2 (de) | 1977-07-18 |
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