SE447689B - Avstemningskrets - Google Patents
AvstemningskretsInfo
- Publication number
- SE447689B SE447689B SE8002386A SE8002386A SE447689B SE 447689 B SE447689 B SE 447689B SE 8002386 A SE8002386 A SE 8002386A SE 8002386 A SE8002386 A SE 8002386A SE 447689 B SE447689 B SE 447689B
- Authority
- SE
- Sweden
- Prior art keywords
- tuning
- circuit
- pulses
- tuning circuit
- frequency
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Circuits Of Receivers In General (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2912710A DE2912710C3 (de) | 1979-03-30 | 1979-03-30 | Abstimmschaltung für einen Empfänger, deren Abstimmlage von dem Stand eines Zählers bestimmt wird |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8002386L SE8002386L (sv) | 1980-10-01 |
SE447689B true SE447689B (sv) | 1986-12-01 |
Family
ID=6066924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8002386A SE447689B (sv) | 1979-03-30 | 1980-03-27 | Avstemningskrets |
Country Status (12)
Country | Link |
---|---|
US (1) | US4334318A (no) |
JP (1) | JPS55134533A (no) |
AT (1) | AT378871B (no) |
CH (1) | CH651431A5 (no) |
DE (1) | DE2912710C3 (no) |
DK (1) | DK152472C (no) |
ES (1) | ES490074A0 (no) |
FR (1) | FR2452822A1 (no) |
GB (1) | GB2046043B (no) |
IT (1) | IT1129640B (no) |
NO (1) | NO152989C (no) |
SE (1) | SE447689B (no) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2707730B2 (ja) * | 1989-06-08 | 1998-02-04 | ソニー株式会社 | シンセサイザ受信機 |
JP3503316B2 (ja) * | 1995-12-26 | 2004-03-02 | アイシン精機株式会社 | スイッチドリラクタンスモータの制御装置 |
US6822458B2 (en) * | 2003-04-17 | 2004-11-23 | The Boeing Company | Apparatus and method for simulating arcing |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3803494A (en) * | 1972-04-07 | 1974-04-09 | Bendix Corp | Pulse tuning control system for radio receivers |
DE2333851A1 (de) * | 1973-07-03 | 1975-01-23 | Standard Elektrik Lorenz Ag | Verfahren und anordnungen zur selbsttaetigen nachregelung der mit einer abstimmanordnunggeingestellten oszillatorfrequenz eines ueberlagerungsempfangsteils einer bild und/oder tonwiedergabeanordnung |
US4161698A (en) * | 1974-08-31 | 1979-07-17 | Licentia, Patent-Verwaltungs-G.M.B.H. | Tuning circuit for superheterodyne receiver |
DE2606230C3 (de) * | 1976-02-17 | 1980-03-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abstimmschaltung für Überlagerungsempfänger |
DE2533072C3 (de) * | 1975-07-24 | 1978-10-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abstimmschaltung für Hochfrequenzempfangsgeräte |
GB1529116A (en) * | 1976-06-25 | 1978-10-18 | Indesit | Receiver having a device for tuning the receiver to a selected signal frequency for reception by the receiver |
DE2703861C3 (de) * | 1977-01-31 | 1983-11-17 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abstimmschaltung für Hochfrequenzempfangsgeräte |
DE2718472C2 (de) * | 1977-04-26 | 1986-05-15 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Abstimmschaltung für einen Hochfrequenz-Überlagerungsempfänger mit gleichspannungsgesteuerter Abstimmung |
DE2720170C2 (de) * | 1977-05-05 | 1982-05-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abstimmschaltung für Hochfrequenz- Empfangsgeräte mit Restseitenbandmodulation, insbesondere für Fernsehempfänger |
JPS583417B2 (ja) * | 1977-06-20 | 1983-01-21 | パイオニア株式会社 | チュ−ニングパルス発生装置 |
AU4953979A (en) * | 1978-08-16 | 1980-02-21 | Sony Corporation | Receiver tuning with frequency synthesizer |
US4271528A (en) * | 1979-09-17 | 1981-06-02 | Gte Products Corporation | Variable pulse tuning system |
US4281415A (en) * | 1979-09-24 | 1981-07-28 | Norlin Industries, Inc. | Digital tuner |
-
1979
- 1979-03-30 DE DE2912710A patent/DE2912710C3/de not_active Expired
-
1980
- 1980-03-05 DK DK095180A patent/DK152472C/da not_active IP Right Cessation
- 1980-03-12 IT IT20545/80A patent/IT1129640B/it active
- 1980-03-20 GB GB8009406A patent/GB2046043B/en not_active Expired
- 1980-03-25 CH CH2344/80A patent/CH651431A5/de not_active IP Right Cessation
- 1980-03-26 US US06/133,988 patent/US4334318A/en not_active Expired - Lifetime
- 1980-03-26 FR FR8006763A patent/FR2452822A1/fr active Granted
- 1980-03-27 SE SE8002386A patent/SE447689B/sv not_active IP Right Cessation
- 1980-03-28 NO NO800914A patent/NO152989C/no unknown
- 1980-03-28 ES ES490074A patent/ES490074A0/es active Granted
- 1980-03-28 AT AT0169480A patent/AT378871B/de not_active IP Right Cessation
- 1980-03-31 JP JP4055480A patent/JPS55134533A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NO152989B (no) | 1985-09-16 |
NO800914L (no) | 1980-10-01 |
ATA169480A (de) | 1985-02-15 |
DK152472B (da) | 1988-02-29 |
DE2912710B2 (de) | 1981-04-16 |
FR2452822B1 (no) | 1984-04-27 |
DK152472C (da) | 1988-08-01 |
CH651431A5 (de) | 1985-09-13 |
DE2912710A1 (de) | 1980-10-02 |
GB2046043B (en) | 1983-04-20 |
DK95180A (da) | 1980-10-01 |
NO152989C (no) | 1985-12-27 |
FR2452822A1 (fr) | 1980-10-24 |
IT8020545A0 (it) | 1980-03-12 |
ES8101343A1 (es) | 1980-12-01 |
SE8002386L (sv) | 1980-10-01 |
AT378871B (de) | 1985-10-10 |
DE2912710C3 (de) | 1982-02-25 |
JPS55134533A (en) | 1980-10-20 |
IT1129640B (it) | 1986-06-11 |
ES490074A0 (es) | 1980-12-01 |
GB2046043A (en) | 1980-11-05 |
US4334318A (en) | 1982-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5644270A (en) | Enchanced stability voltage controlled RC oscillator | |
EP0320748B1 (en) | Self adjusting phase lock circuit | |
EP0124166B1 (en) | Waveform converter circuit | |
US6396890B1 (en) | Phase corrected frequency synthesizers | |
JPH07264055A (ja) | 周波数ロックドループ | |
JPH0556072B2 (no) | ||
SE447689B (sv) | Avstemningskrets | |
US5210509A (en) | Dual loop phase locked circuit with sweep generator and compensation for drift | |
CA1049165A (en) | Electronic automatic frequency tuning system | |
SE425535B (sv) | Forfarande och reknarkrets for atervinning av mottagningsfrekvens respektive mottagningskanal i en am/fm-hogfrekvensmottagare | |
EP0863616B1 (en) | Phase locked loop | |
US4389621A (en) | Phase locked loop stabilized against temperature and voltage variations | |
US4083222A (en) | Apparatus for measuring the rate of a watch | |
CA2613589C (en) | Floating dc-offset circuit for phase detector | |
US6392497B1 (en) | Phase-locked loop circuit with high lock speed and stability | |
US3878488A (en) | Digital non-linear frequency control | |
US2734703A (en) | markusen | |
JPH0879013A (ja) | パイロット信号検出用のスイッチドキャパシタ帯域通過フィルタ | |
EP0299675A2 (en) | Improvements in or relating to phase locked loop circuits | |
US4806883A (en) | Multifrequency oscillator circuit | |
GB1246323A (en) | Frequency responsive circuit | |
US4612511A (en) | FM demodulator including PLL and improved circuitry for eliminating distortion in the output thereof | |
SU320008A1 (ru) | УСТРОЙСТВО дл АВТОМАТИЧЕСКОЙ ПОДСТРОЙКИ ЧАСТОТЫ ГЕТЕРОДИНА ПРИЕЛ1НИКА СИГНАЛОВ ЧАСТОТНОЙТЕЛЕГРАФИИ | |
KR100247588B1 (ko) | 시정수조절회로 | |
KR930005441Y1 (ko) | 위상동기회로 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8002386-4 Effective date: 19911009 Format of ref document f/p: F |