GB2238923B - Digital frequency generator - Google Patents
Digital frequency generatorInfo
- Publication number
- GB2238923B GB2238923B GB8927651A GB8927651A GB2238923B GB 2238923 B GB2238923 B GB 2238923B GB 8927651 A GB8927651 A GB 8927651A GB 8927651 A GB8927651 A GB 8927651A GB 2238923 B GB2238923 B GB 2238923B
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency generator
- digital frequency
- digital
- generator
- 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 - Fee Related
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
- H03L7/183—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
-
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8927651A GB2238923B (en) | 1989-12-07 | 1989-12-07 | Digital frequency generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8927651A GB2238923B (en) | 1989-12-07 | 1989-12-07 | Digital frequency generator |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8927651D0 GB8927651D0 (en) | 1990-02-07 |
| GB2238923A GB2238923A (en) | 1991-06-12 |
| GB2238923B true GB2238923B (en) | 1993-08-11 |
Family
ID=10667554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8927651A Expired - Fee Related GB2238923B (en) | 1989-12-07 | 1989-12-07 | Digital frequency generator |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2238923B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2807590C1 (en) * | 2023-04-12 | 2023-11-16 | федеральное государственное казенное военное образовательное учреждение высшего образования "Краснодарское высшее военное орденов Жукова и Октябрьской Революции Краснознаменное училище имени генерала армии С.М. Штеменко" Министерства обороны Российской Федерации | Digital generator with possibility of excluding frequencies |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5179358A (en) * | 1992-03-04 | 1993-01-12 | Motorola, Inc. | Circuit, counter and frequency synthesizer with adjustable bias current |
| CN113242038A (en) * | 2021-06-02 | 2021-08-10 | 南方电网科学研究院有限责任公司 | Phase-locked loop, phase-locking method and phase-locking equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3619802A (en) * | 1969-05-20 | 1971-11-09 | Dieter R Lohrman | Frequency synthesizer |
| US4463321A (en) * | 1981-12-28 | 1984-07-31 | E-Systems, Inc. | Delay line controlled frequency synthesizer |
| GB2149599A (en) * | 1983-10-31 | 1985-06-12 | Anritsu Electric Co Ltd | Signal generator |
-
1989
- 1989-12-07 GB GB8927651A patent/GB2238923B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3619802A (en) * | 1969-05-20 | 1971-11-09 | Dieter R Lohrman | Frequency synthesizer |
| US4463321A (en) * | 1981-12-28 | 1984-07-31 | E-Systems, Inc. | Delay line controlled frequency synthesizer |
| GB2149599A (en) * | 1983-10-31 | 1985-06-12 | Anritsu Electric Co Ltd | Signal generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2807590C1 (en) * | 2023-04-12 | 2023-11-16 | федеральное государственное казенное военное образовательное учреждение высшего образования "Краснодарское высшее военное орденов Жукова и Октябрьской Революции Краснознаменное училище имени генерала армии С.М. Штеменко" Министерства обороны Российской Федерации | Digital generator with possibility of excluding frequencies |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2238923A (en) | 1991-06-12 |
| GB8927651D0 (en) | 1990-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 730A | Proceeding under section 30 patents act 1977 | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20041207 |