IT1194709B - Sintetizzatore di frequenza - Google Patents
Sintetizzatore di frequenzaInfo
- Publication number
- IT1194709B IT1194709B IT25606/80A IT2560680A IT1194709B IT 1194709 B IT1194709 B IT 1194709B IT 25606/80 A IT25606/80 A IT 25606/80A IT 2560680 A IT2560680 A IT 2560680A IT 1194709 B IT1194709 B IT 1194709B
- Authority
- IT
- Italy
- Prior art keywords
- frequency synthesizer
- synthesizer
- frequency
- Prior art date
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7937487A GB2062315B (en) | 1979-10-30 | 1979-10-30 | Frequency divider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8025606A0 IT8025606A0 (it) | 1980-10-27 |
| IT1194709B true IT1194709B (it) | 1988-09-22 |
Family
ID=10508848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT25606/80A IT1194709B (it) | 1979-10-30 | 1980-10-27 | Sintetizzatore di frequenza |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4365201A (it) |
| JP (1) | JPS5673930A (it) |
| AU (1) | AU531387B2 (it) |
| CA (1) | CA1155931A (it) |
| DE (1) | DE3040387C2 (it) |
| DK (1) | DK150559C (it) |
| FR (1) | FR2469045A1 (it) |
| GB (1) | GB2062315B (it) |
| IT (1) | IT1194709B (it) |
| SE (1) | SE447617B (it) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2117198A (en) * | 1982-03-19 | 1983-10-05 | Philips Electronic Associated | Frequency synthesiser |
| GB2117197A (en) * | 1982-03-19 | 1983-10-05 | Philips Electronic Associated | Frequency synthesiser |
| GB2117199A (en) * | 1982-03-19 | 1983-10-05 | Philips Electronic Associated | Frequency synthesiser |
| US4508000A (en) * | 1982-04-23 | 1985-04-02 | Citizen Watch Co., Ltd. | Frequency-selectable signal generator |
| US4518920A (en) * | 1982-06-03 | 1985-05-21 | Klimsch/Optronics, Inc. | Frequency synthesizer and method |
| GB2131240A (en) * | 1982-11-05 | 1984-06-13 | Philips Electronic Associated | Frequency synthesiser |
| GB2132025B (en) * | 1982-11-11 | 1986-11-19 | Polytechnic Marine Limited | A receiver for a phase comparison radio navigation system |
| US4618966A (en) * | 1983-06-01 | 1986-10-21 | Cincinnati Electronics Corporation | Frequency shift key modulator |
| JP2561644B2 (ja) * | 1983-10-31 | 1996-12-11 | 株式会社日立製作所 | タイミング信号発生器 |
| JP2511657B2 (ja) * | 1986-08-19 | 1996-07-03 | 日本無線株式会社 | 周波数シンセサイザ |
| GB2196455A (en) * | 1986-10-20 | 1988-04-27 | Plessey Co Plc | Frequency synthesiser |
| JPS63196112A (ja) * | 1987-02-10 | 1988-08-15 | Japan Radio Co Ltd | 周波数シンセサイザ |
| US5014231A (en) * | 1987-11-23 | 1991-05-07 | Hughes Aircraft Company | Randomized digital/analog converter direct digital synthesizer |
| GB2239115A (en) * | 1989-12-15 | 1991-06-19 | Philips Electronic Associated | Direct dividing frequency synthesiser |
| DE4001555C2 (de) * | 1990-01-20 | 1997-02-27 | Philips Broadcast Television S | Digitaler Oszillator |
| US5166629A (en) * | 1991-04-26 | 1992-11-24 | Westinghouse Electric Corp. | Direct frequency synthesizer |
| GB9618069D0 (en) * | 1996-08-28 | 1996-10-09 | The Technology Partnership Plc | Frequency dividing cicuit |
| US6510191B2 (en) * | 2001-02-09 | 2003-01-21 | Motorola, Inc. | Direct digital synthesizer based on delay line with sorted taps |
| EP2250729A2 (en) * | 2008-02-27 | 2010-11-17 | Vl C.V. | Methods and systems related to a configurable delay counter used with variable frequency clocks |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1447418A (en) * | 1974-03-29 | 1976-08-25 | Mullard Ltd | Frequency synthesiser |
| US3976945A (en) * | 1975-09-05 | 1976-08-24 | Hewlett-Packard Company | Frequency synthesizer |
| IT1073456B (it) * | 1977-03-09 | 1985-04-17 | Cselt Centro Studi Lab Telecom | Generatore controllato di forme d'onda periodiche |
| US4132871A (en) * | 1977-06-22 | 1979-01-02 | Fairchild Camera And Instrument Corporation | Digitally synthesized multi-frequency signal generator |
| US4296407A (en) * | 1979-05-14 | 1981-10-20 | Matsushita Electric Industrial Co. | Digital frequency synthesizer with frequency divider programmable in response to stored digital control signal |
-
1979
- 1979-10-30 GB GB7937487A patent/GB2062315B/en not_active Expired
-
1980
- 1980-10-14 US US06/196,406 patent/US4365201A/en not_active Expired - Lifetime
- 1980-10-23 CA CA000363120A patent/CA1155931A/en not_active Expired
- 1980-10-24 FR FR8022821A patent/FR2469045A1/fr active Granted
- 1980-10-25 DE DE3040387A patent/DE3040387C2/de not_active Expired
- 1980-10-27 AU AU63730/80A patent/AU531387B2/en not_active Ceased
- 1980-10-27 IT IT25606/80A patent/IT1194709B/it active
- 1980-10-27 SE SE8007512A patent/SE447617B/sv not_active IP Right Cessation
- 1980-10-27 DK DK453980A patent/DK150559C/da not_active IP Right Cessation
- 1980-10-29 JP JP15086380A patent/JPS5673930A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE447617B (sv) | 1986-11-24 |
| DE3040387A1 (de) | 1981-06-11 |
| AU6373080A (en) | 1981-05-07 |
| FR2469045A1 (fr) | 1981-05-08 |
| SE8007512L (sv) | 1981-05-01 |
| AU531387B2 (en) | 1983-08-18 |
| DK150559C (da) | 1988-02-22 |
| DK453980A (da) | 1981-05-01 |
| CA1155931A (en) | 1983-10-25 |
| JPS5673930A (en) | 1981-06-19 |
| JPS6347013B2 (it) | 1988-09-20 |
| US4365201A (en) | 1982-12-21 |
| GB2062315B (en) | 1983-06-08 |
| DE3040387C2 (de) | 1983-12-29 |
| FR2469045B1 (it) | 1985-04-19 |
| IT8025606A0 (it) | 1980-10-27 |
| GB2062315A (en) | 1981-05-20 |
| DK150559B (da) | 1987-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19931028 |