GB2024546B - Frequency synthesisers - Google Patents
Frequency synthesisersInfo
- Publication number
- GB2024546B GB2024546B GB7915132A GB7915132A GB2024546B GB 2024546 B GB2024546 B GB 2024546B GB 7915132 A GB7915132 A GB 7915132A GB 7915132 A GB7915132 A GB 7915132A GB 2024546 B GB2024546 B GB 2024546B
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency synthesisers
- synthesisers
- 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
- 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
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
-
- 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
- H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
-
- 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
- H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
- H03L7/185—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 fixed numbers or the frequency divider dividing by a fixed number using a mixer in the loop
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7915132A GB2024546B (en) | 1978-05-26 | 1979-05-01 | Frequency synthesisers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2347078 | 1978-05-26 | ||
GB7915132A GB2024546B (en) | 1978-05-26 | 1979-05-01 | Frequency synthesisers |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2024546A GB2024546A (en) | 1980-01-09 |
GB2024546B true GB2024546B (en) | 1982-12-22 |
Family
ID=26256535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7915132A Expired GB2024546B (en) | 1978-05-26 | 1979-05-01 | Frequency synthesisers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2024546B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3335024A1 (en) * | 1983-09-28 | 1985-04-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | CIRCUIT ARRANGEMENT FOR A RECEIVER WITH TWO PHASE CONTROL CIRCUITS |
US4763083A (en) * | 1986-05-02 | 1988-08-09 | Hewlett-Packard Company | Low phase noise RF synthesizer |
DE3801418A1 (en) * | 1988-01-20 | 1989-08-03 | Telefunken Electronic Gmbh | Frequency synthesis circuit |
GB2245441B (en) * | 1990-06-13 | 1994-04-06 | Motorola Israel Ltd | Fine-tune frequency adjustor |
US5140284A (en) * | 1991-02-20 | 1992-08-18 | Telefonaktiebolaget L M Ericsson | Broad band frequency synthesizer for quick frequency retuning |
KR100219709B1 (en) * | 1994-03-15 | 1999-09-01 | 윤종용 | Signal processing circuits for digital radio communication system |
US5604468A (en) * | 1996-04-22 | 1997-02-18 | Motorola, Inc. | Frequency synthesizer with temperature compensation and frequency multiplication and method of providing the same |
DE19946494A1 (en) * | 1999-09-28 | 2001-05-03 | Infineon Technologies Ag | Receiver for different frequency bands |
US6992987B2 (en) * | 2003-05-01 | 2006-01-31 | Genesis Microchip Inc. | Enumeration method for the link clock rate and the pixel/audio clock rate |
CN111120121B (en) * | 2019-12-25 | 2022-04-05 | 潍柴动力股份有限公司 | Frequency drive control method, frequency drive control device, engine controller and storage medium |
-
1979
- 1979-05-01 GB GB7915132A patent/GB2024546B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2024546A (en) | 1980-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |