DE3001388C2 - Frequenzteiler - Google Patents
FrequenzteilerInfo
- Publication number
- DE3001388C2 DE3001388C2 DE3001388A DE3001388A DE3001388C2 DE 3001388 C2 DE3001388 C2 DE 3001388C2 DE 3001388 A DE3001388 A DE 3001388A DE 3001388 A DE3001388 A DE 3001388A DE 3001388 C2 DE3001388 C2 DE 3001388C2
- Authority
- DE
- Germany
- Prior art keywords
- shift register
- output
- divider
- pulse train
- transistors
- 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
- 238000010079 rubber tapping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
Landscapes
- Manipulation Of Pulses (AREA)
- Time-Division Multiplex Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Dc Digital Transmission (AREA)
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 |
|---|---|
| DE3001388A1 DE3001388A1 (de) | 1980-08-07 |
| DE3001388C2 true DE3001388C2 (de) | 1987-05-14 |
Family
ID=10502864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3001388A Expired DE3001388C2 (de) | 1979-01-31 | 1980-01-16 | Frequenzteiler |
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 (US06168776-20010102-C00028.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 |
| JPS5040656B2 (US06168776-20010102-C00028.png) * | 1971-11-12 | 1975-12-25 | ||
| 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. |
| US3970867A (en) * | 1975-02-18 | 1976-07-20 | Texas Instruments Incorporated | Synchronous counter/divider using only four NAND or NOR gates per bit |
| 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 |
|---|---|
| DE3001388A1 (de) | 1980-08-07 |
| FR2448256A1 (fr) | 1980-08-29 |
| GB2041591A (en) | 1980-09-10 |
| US4315166A (en) | 1982-02-09 |
| SE8000628L (sv) | 1980-08-01 |
| JPS55104137A (en) | 1980-08-09 |
| FR2448256B1 (US06168776-20010102-C00028.png) | 1982-03-05 |
| JPH038128B2 (US06168776-20010102-C00028.png) | 1991-02-05 |
| GB2041591B (en) | 1983-05-05 |
| SE445284B (sv) | 1986-06-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: J.N. EBERLE FEDERNFABRIK GMBH, 8930 SCHWABMUENCHEN |
|
| 8180 | Miscellaneous part 1 |
Free format text: DER ANMELDER LAUTET RICHTIG NAAMLOZE VENNOOTSCHAP PHILIPS GLOEILAMPENFABRIEKEN, 5621 EINDHOVEN, NLDIE VEROEFFENTLICHUNG DER UMSCHREIBUNG ERFOLGTE IRRTUEMLICH. |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |