GB1151505A - Improvements relating to Variable Ratio Frequency Divider Circuit Arrangements - Google Patents
Improvements relating to Variable Ratio Frequency Divider Circuit ArrangementsInfo
- Publication number
- GB1151505A GB1151505A GB3477465A GB3477465A GB1151505A GB 1151505 A GB1151505 A GB 1151505A GB 3477465 A GB3477465 A GB 3477465A GB 3477465 A GB3477465 A GB 3477465A GB 1151505 A GB1151505 A GB 1151505A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency divider
- divider circuit
- improvements relating
- circuit arrangements
- variable ratio
- 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
- H03K23/662—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 adding or suppressing pulses
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
- H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Manipulation Of Pulses (AREA)
- Complex Calculations (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3477465A GB1151505A (en) | 1965-08-13 | 1965-08-13 | Improvements relating to Variable Ratio Frequency Divider Circuit Arrangements |
NL6610964A NL6610964A (da) | 1965-08-13 | 1966-08-04 | |
DK411966A DK117576C (da) | 1965-08-13 | 1966-08-10 | Frekvensdeler med variabelt frekvensforhold. |
NO16425666A NO120431B (da) | 1965-08-13 | 1966-08-10 | |
DE1966P0040182 DE1298557B (de) | 1965-08-13 | 1966-08-12 | Schaltungsanordnung fuer einen veraenderlichen elektronischen Frequenzteiler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3477465A GB1151505A (en) | 1965-08-13 | 1965-08-13 | Improvements relating to Variable Ratio Frequency Divider Circuit Arrangements |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1151505A true GB1151505A (en) | 1969-05-07 |
Family
ID=10369785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3477465A Expired GB1151505A (en) | 1965-08-13 | 1965-08-13 | Improvements relating to Variable Ratio Frequency Divider Circuit Arrangements |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE1298557B (da) |
DK (1) | DK117576C (da) |
GB (1) | GB1151505A (da) |
NL (1) | NL6610964A (da) |
NO (1) | NO120431B (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0213636A2 (en) * | 1985-09-03 | 1987-03-11 | Nec Corporation | Frequency synthesizer of a phase-locked type with a sampling circuit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT354620B (de) * | 1977-12-27 | 1980-01-25 | Rodler Ing Hans | Anordnung zur behandlung mit interferenzstroemen |
DE2900612C2 (de) * | 1979-01-09 | 1983-02-24 | Hans 8228 Freilassing Rodler | Gerät zur Interferenzstromtherapie |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL263301A (da) * | 1960-04-12 | |||
DE1167074B (de) * | 1960-10-11 | 1964-04-02 | Licentia Gmbh | Dekadischer Zaehler mit Voreinstellung bzw. Vorwahl |
NL293848A (da) * | 1962-06-15 |
-
1965
- 1965-08-13 GB GB3477465A patent/GB1151505A/en not_active Expired
-
1966
- 1966-08-04 NL NL6610964A patent/NL6610964A/xx unknown
- 1966-08-10 NO NO16425666A patent/NO120431B/no unknown
- 1966-08-10 DK DK411966A patent/DK117576C/da active
- 1966-08-12 DE DE1966P0040182 patent/DE1298557B/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0213636A2 (en) * | 1985-09-03 | 1987-03-11 | Nec Corporation | Frequency synthesizer of a phase-locked type with a sampling circuit |
EP0213636A3 (en) * | 1985-09-03 | 1988-10-19 | Nec Corporation | Frequency synthesizer of a phase-locked type with a sampling circuit |
Also Published As
Publication number | Publication date |
---|---|
NL6610964A (da) | 1967-02-14 |
DK117576C (da) | 1970-10-05 |
NO120431B (da) | 1970-10-19 |
DE1298557B (de) | 1969-07-03 |
DK117576B (da) | 1970-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |