DE3772914D1 - Frequenzsynthesizer. - Google Patents
Frequenzsynthesizer.Info
- Publication number
- DE3772914D1 DE3772914D1 DE8787902588T DE3772914T DE3772914D1 DE 3772914 D1 DE3772914 D1 DE 3772914D1 DE 8787902588 T DE8787902588 T DE 8787902588T DE 3772914 T DE3772914 T DE 3772914T DE 3772914 D1 DE3772914 D1 DE 3772914D1
- Authority
- DE
- Germany
- Prior art keywords
- frequency synthesizer
- synthesizer
- 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
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
- H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868608303A GB8608303D0 (en) | 1986-04-04 | 1986-04-04 | Frequency synthesiser |
GB8614194A GB2188804B (en) | 1986-04-04 | 1986-06-11 | Frequency synthesiser |
PCT/GB1987/000228 WO1987006076A1 (en) | 1986-04-04 | 1987-04-02 | Frequency synthesiser |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3772914D1 true DE3772914D1 (de) | 1991-10-17 |
Family
ID=26290591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787902588T Expired - Fee Related DE3772914D1 (de) | 1986-04-04 | 1987-04-02 | Frequenzsynthesizer. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4862109A (de) |
EP (1) | EP0261221B1 (de) |
JP (1) | JPS63503427A (de) |
DE (1) | DE3772914D1 (de) |
WO (1) | WO1987006076A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100303397B1 (ko) * | 1998-06-23 | 2001-11-22 | 윤종용 | 모든합성주파수구간들에서변하지않는루프특성을가지는주파수합성기 |
RU2682847C1 (ru) * | 2017-10-13 | 2019-03-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" | Цифровой синтезатор с М-образным законом изменения частоты |
RU2710280C1 (ru) * | 2019-04-18 | 2019-12-25 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" | Цифровой вычислительный синтезатор двухчастотных сигналов |
RU2718461C1 (ru) * | 2019-09-12 | 2020-04-08 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" | Цифровой вычислительный синтезатор частотно-модулированных сигналов |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1528814A (en) * | 1975-12-09 | 1978-10-18 | Racal Instruments Ltd | Electrical signal generators |
JPS58107715A (ja) * | 1981-12-22 | 1983-06-27 | Sony Corp | 選局装置 |
US4584539A (en) * | 1984-11-28 | 1986-04-22 | General Dynamics Pomona Division | Frequency-agile, multi-channel, microwave frequency synthesizer |
-
1987
- 1987-04-02 WO PCT/GB1987/000228 patent/WO1987006076A1/en not_active Application Discontinuation
- 1987-04-02 EP EP87902588A patent/EP0261221B1/de not_active Revoked
- 1987-04-02 US US07/130,389 patent/US4862109A/en not_active Expired - Fee Related
- 1987-04-02 DE DE8787902588T patent/DE3772914D1/de not_active Expired - Fee Related
- 1987-04-02 JP JP62502181A patent/JPS63503427A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO1987006076A1 (en) | 1987-10-08 |
EP0261221A1 (de) | 1988-03-30 |
US4862109A (en) | 1989-08-29 |
JPS63503427A (ja) | 1988-12-08 |
EP0261221B1 (de) | 1991-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3750810D1 (de) | Frequenzsynthetisierer. | |
DE68916889D1 (de) | Frequenzsynthesierer. | |
DE69020452D1 (de) | Frequenzsynthesierer. | |
DE59008177D1 (de) | Frequenzsynthesizer. | |
IT1238884B (it) | Sintetizzatore di frequenza. | |
DE69032554D1 (de) | Frequenzsynthesizer | |
NO890378L (no) | Senterfrekvent hoeyopploesnings digital faselaast sloeyfe. | |
DE3682110D1 (de) | Frequenzsynthesierer. | |
DE69016308D1 (de) | Direkter digitaler Frequenzsynthetisierer. | |
DE3877103D1 (de) | Mikrowellen-oszillator. | |
DE69017129D1 (de) | Frequenzsynthesizer mit gebrochenem teilverhältnis. | |
DE58908588D1 (de) | Frequenzsynthesegerät. | |
DE69026151D1 (de) | Frequenzsynthesizer | |
DE3853563D1 (de) | Digitale Frequenzsynthesierer. | |
DE69023917D1 (de) | Oszillator. | |
DE69027462D1 (de) | Oszillator | |
DE68912635D1 (de) | Frequenzzähler. | |
DE69030276D1 (de) | Frequenzsynthetisierer | |
DE68909453D1 (de) | Frequenzbestimmung. | |
DE68924922D1 (de) | Oszillator. | |
DE69011670D1 (de) | Frequenzsynthesizer. | |
DE58907950D1 (de) | Frequenzsynthesegerät. | |
NO872506L (no) | Elastomer-polyolefin-blandinger. | |
DE3689704D1 (de) | Steuerbarer Oszillator. | |
DE68922506D1 (de) | Frequenzteilerschaltung. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee |