GB2091960B - High speed frequency synthesizer - Google Patents
High speed frequency synthesizerInfo
- Publication number
- GB2091960B GB2091960B GB8102449A GB8102449A GB2091960B GB 2091960 B GB2091960 B GB 2091960B GB 8102449 A GB8102449 A GB 8102449A GB 8102449 A GB8102449 A GB 8102449A GB 2091960 B GB2091960 B GB 2091960B
- Authority
- GB
- United Kingdom
- Prior art keywords
- high speed
- frequency synthesizer
- speed frequency
- synthesizer
- speed
- 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
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8102449A GB2091960B (en) | 1981-01-27 | 1981-01-27 | High speed frequency synthesizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8102449A GB2091960B (en) | 1981-01-27 | 1981-01-27 | High speed frequency synthesizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2091960A GB2091960A (en) | 1982-08-04 |
| GB2091960B true GB2091960B (en) | 1985-06-19 |
Family
ID=10519265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8102449A Expired GB2091960B (en) | 1981-01-27 | 1981-01-27 | High speed frequency synthesizer |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2091960B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4573023A (en) * | 1984-08-07 | 1986-02-25 | John Fluke Mfg. Co., Inc. | Multiple-multiple modulus prescaler for a phase-locked loop |
| SE463005B (en) * | 1987-08-13 | 1990-09-24 | Ericsson Telefon Ab L M | DEVICE FOR FREQUENCY SYNTHESIS IN A RADIO SYSTEM FOR FREQUENCY HOPE |
| GB2213000A (en) * | 1987-11-25 | 1989-08-02 | Philips Electronic Associated | Frequency synthesizer |
| US5065408A (en) * | 1990-04-26 | 1991-11-12 | Motorola, Inc. | Fractional-division synthesizer for a voice/data communications systems |
| US5093632A (en) * | 1990-08-31 | 1992-03-03 | Motorola, Inc. | Latched accumulator fractional n synthesis with residual error reduction |
| US5070310A (en) * | 1990-08-31 | 1991-12-03 | Motorola, Inc. | Multiple latched accumulator fractional N synthesis |
| SE510523C2 (en) | 1997-09-11 | 1999-05-31 | Ericsson Telefon Ab L M | Radio communication unit and radio telephone comprising radio communication unit |
-
1981
- 1981-01-27 GB GB8102449A patent/GB2091960B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2091960A (en) | 1982-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PE20 | Patent expired after termination of 20 years |
Effective date: 20010126 |