GB2041591B - Frequency divider - Google Patents
Frequency dividerInfo
- Publication number
- GB2041591B GB2041591B GB7903449A GB7903449A GB2041591B GB 2041591 B GB2041591 B GB 2041591B GB 7903449 A GB7903449 A GB 7903449A GB 7903449 A GB7903449 A GB 7903449A GB 2041591 B GB2041591 B GB 2041591B
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency divider
- divider
- frequency
- 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
- H03K23/64—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
-
- 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
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7903449A GB2041591B (en) | 1979-01-31 | 1979-01-31 | Frequency divider |
DE3001388A DE3001388C2 (de) | 1979-01-31 | 1980-01-16 | Frequenzteiler |
US06/113,843 US4315166A (en) | 1979-01-31 | 1980-01-21 | Frequency divider arrangement |
FR8001645A FR2448256A1 (fr) | 1979-01-31 | 1980-01-25 | Dispositif de division de serie d'impulsions a grande vitese et a large gamme de rapports de division |
SE8000628A SE445284B (sv) | 1979-01-31 | 1980-01-28 | Anordning for delning av en pulsfoljd med en forutbestemd faktor |
JP888680A JPS55104137A (en) | 1979-01-31 | 1980-01-30 | Frequency divider |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7903449A GB2041591B (en) | 1979-01-31 | 1979-01-31 | Frequency divider |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2041591A GB2041591A (en) | 1980-09-10 |
GB2041591B true GB2041591B (en) | 1983-05-05 |
Family
ID=10502864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7903449A Expired GB2041591B (en) | 1979-01-31 | 1979-01-31 | Frequency divider |
Country Status (6)
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3634594A1 (de) * | 1986-10-10 | 1988-04-14 | Philips Patentverwaltung | Schaltungsanordnung zur erzeugung rationalzahliger frequenzverhaeltnisse |
US5297273A (en) * | 1990-08-30 | 1994-03-22 | Westinghouse Electric Corp. | System for optically splitting high-speed digital signals using cascading tree-type configuration wherein the number of successive level of cascading increase by a factor of two |
US5859890A (en) * | 1997-02-26 | 1999-01-12 | Motorola, Inc. | Dual modulus prescaler |
US6389095B1 (en) | 2000-10-27 | 2002-05-14 | Qualcomm, Incorporated | Divide-by-three circuit |
EP1241788A1 (en) * | 2001-03-13 | 2002-09-18 | STMicroelectronics Limited | Digital frequency divider |
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 |
US6988217B1 (en) * | 2002-02-27 | 2006-01-17 | Advanced Micro Devices, Inc. | Method and mechanism for generating a clock signal with a relatively linear increase or decrease in clock frequency |
US7395286B1 (en) * | 2004-01-05 | 2008-07-01 | National Semiconductor Corporation | Method for generating non-overlapping N-phases of divide-by-N clocks with precise 1/N duty ratio using a shift register |
GB2437990B (en) * | 2006-01-24 | 2008-06-25 | Toumaz Technology Ltd | Frequency divider circuits |
US8504854B2 (en) | 2010-06-21 | 2013-08-06 | Advanced Micro Devices, Inc. | Managing multiple operating points for stable virtual frequencies |
US9261949B2 (en) | 2010-10-29 | 2016-02-16 | Advanced Micro Devices, Inc. | Method for adaptive performance optimization of the soc |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3460129A (en) * | 1964-03-09 | 1969-08-05 | Ericsson Telefon Ab L M | Frequency divider |
SE314012B (US07534539-20090519-C00127.png) * | 1964-07-07 | 1969-08-25 | T G Hesselgren | |
US3375449A (en) * | 1965-05-12 | 1968-03-26 | Int Standard Electric Corp | Frequency divider with variable digital ratio |
JPS51416B2 (US07534539-20090519-C00127.png) * | 1971-11-12 | 1976-01-08 | ||
GB1478200A (en) * | 1974-09-16 | 1977-06-29 | Nat Res Dev | Threshold logic gates |
NL7415575A (nl) * | 1974-11-29 | 1976-06-01 | Philips Nv | Schakeling voor frequentiedeling van hoog- frequent impulsen. |
US3970941A (en) * | 1975-02-18 | 1976-07-20 | Texas Instruments Incorporated | Fast programmable divider with a new 5-gate flip-flop |
US4234849A (en) * | 1976-07-26 | 1980-11-18 | Hewlett-Packard Company | Programmable frequency divider and method |
-
1979
- 1979-01-31 GB GB7903449A patent/GB2041591B/en not_active Expired
-
1980
- 1980-01-16 DE DE3001388A patent/DE3001388C2/de not_active Expired
- 1980-01-21 US US06/113,843 patent/US4315166A/en not_active Expired - Lifetime
- 1980-01-25 FR FR8001645A patent/FR2448256A1/fr active Granted
- 1980-01-28 SE SE8000628A patent/SE445284B/sv not_active IP Right Cessation
- 1980-01-30 JP JP888680A patent/JPS55104137A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
SE445284B (sv) | 1986-06-09 |
JPS55104137A (en) | 1980-08-09 |
FR2448256A1 (fr) | 1980-08-29 |
DE3001388A1 (de) | 1980-08-07 |
FR2448256B1 (US07534539-20090519-C00127.png) | 1982-03-05 |
US4315166A (en) | 1982-02-09 |
GB2041591A (en) | 1980-09-10 |
DE3001388C2 (de) | 1987-05-14 |
SE8000628L (sv) | 1980-08-01 |
JPH038128B2 (US07534539-20090519-C00127.png) | 1991-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |