NO134079B - - Google Patents
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- Publication number
- NO134079B NO134079B NO1025/73A NO102573A NO134079B NO 134079 B NO134079 B NO 134079B NO 1025/73 A NO1025/73 A NO 1025/73A NO 102573 A NO102573 A NO 102573A NO 134079 B NO134079 B NO 134079B
- Authority
- NO
- Norway
- Prior art keywords
- tuning
- voltage
- oscillator
- input circuit
- receiver
- Prior art date
Links
- 230000002194 synthesizing effect Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 description 4
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
-
- 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
- H03J5/0209—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of non preset values
-
- 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
- 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
- H03L7/187—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 means for coarse tuning the voltage controlled oscillator of the loop
- H03L7/189—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 means for coarse tuning the voltage controlled oscillator of the loop comprising a D/A converter for generating a coarse tuning voltage
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7209445A FR2175671B1 (sv) | 1972-03-17 | 1972-03-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO134079B true NO134079B (sv) | 1976-05-03 |
| NO134079C NO134079C (sv) | 1976-08-11 |
Family
ID=9095402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO1025/73A NO134079C (sv) | 1972-03-17 | 1973-03-14 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3845393A (sv) |
| JP (1) | JPS5321807B2 (sv) |
| BE (1) | BE796830A (sv) |
| CA (1) | CA1003981A (sv) |
| DE (1) | DE2312651A1 (sv) |
| FR (1) | FR2175671B1 (sv) |
| GB (1) | GB1376286A (sv) |
| IT (1) | IT980590B (sv) |
| NL (1) | NL7303412A (sv) |
| NO (1) | NO134079C (sv) |
| SE (1) | SE384114C (sv) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL162525C (nl) * | 1973-10-31 | 1980-05-16 | Matsushita Electric Ind Co Ltd | Kanaalkiezer. |
| US3978411A (en) * | 1973-11-30 | 1976-08-31 | Matsushita Electric Industrial Co., Ltd. | Sweep output generator having a frequency modulated local oscillator for the station selector of a television receiver |
| JPS5732475B2 (sv) * | 1974-01-19 | 1982-07-10 | ||
| JPS50125602A (sv) * | 1974-03-19 | 1975-10-02 | ||
| JPS5632807B2 (sv) * | 1974-06-03 | 1981-07-30 | ||
| US3987400A (en) * | 1974-11-04 | 1976-10-19 | Masco Corporation Of Indiana | Multiband scanning radio receiver |
| US3940697A (en) * | 1974-12-02 | 1976-02-24 | Hy-Gain Electronics Corporation | Multiple band scanning radio |
| US3937972A (en) * | 1974-12-26 | 1976-02-10 | Linear Systems Incorporated | Electromagnetically energized scanning frequency synthesizer |
| US3949158A (en) * | 1974-12-31 | 1976-04-06 | Quasar Electronics Corporation | Wide band aft circuit for television receiver |
| JPS526415U (sv) * | 1975-06-30 | 1977-01-18 | ||
| JPS5255360A (en) * | 1975-10-31 | 1977-05-06 | Hitachi Ltd | Phase fixing loop synthesizer |
| US4025953A (en) * | 1975-11-26 | 1977-05-24 | Quasar Electronics Corporation | Frequency synthesizer tuning system for television receivers |
| IT1064110B (it) * | 1976-03-09 | 1985-02-18 | Voxson Spa | Sistema di sintonia elettronica con memorizzazione digitale delle stazioni radio emittenti |
| US4123716A (en) * | 1976-08-12 | 1978-10-31 | The Magnavox Company | Automatic frequency control for digital tuning systems |
| US4205272A (en) * | 1977-04-13 | 1980-05-27 | Trio Kabushiki Kaisha | Phase-locked loop circuit for use in synthesizer tuner and synthesizer tuner incorporating same |
| DE2814429C3 (de) * | 1978-04-04 | 1980-10-09 | Loewe Opta Gmbh, 1000 Berlin | Empfängerschaltung mit einem Frequenz sytithetisator in nachrichtentechnischen Empfangsgeräten |
| US4243962A (en) * | 1978-04-18 | 1981-01-06 | Trw Inc. | Digital tuning element and method of making same |
| JPS5539443A (en) * | 1978-09-13 | 1980-03-19 | Pioneer Electronic Corp | Converter for catv |
| DE2856397C2 (de) * | 1978-12-28 | 1983-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur Erzielung eines Gleichlaufs zwischen der Oszillatorfrequenz und der Resonanzfrequenz des Eingangskreises eines Überlagerungsempfängers. |
| IT1165325B (it) * | 1978-10-16 | 1987-04-22 | Licentia Gmbh | Disposizione di comando per ottenere un sincronismo fra la frequenza dell'oscillatore e la frequenza di risonanza del circuito di entrata di un ricevitore ad eterodina |
| US4384365A (en) * | 1978-10-16 | 1983-05-17 | Licentia Patent-Verwaltungs-G.M.B.H. | Superheterodyne receiver frequency tracking circuit |
| JPS5834717Y2 (ja) * | 1979-04-26 | 1983-08-04 | 松下電器産業株式会社 | シ−ズヒ−タ |
| JPS5834718Y2 (ja) * | 1979-04-26 | 1983-08-04 | 松下電器産業株式会社 | シ−ズヒ−タ |
| FR2481549A1 (fr) * | 1980-04-25 | 1981-10-30 | Thomson Brandt | Dispositif de synthese et de demodulation combinees pour recepteurs d'ondes modulees en frequence et recepteur le comportant |
| US4399559A (en) * | 1980-05-30 | 1983-08-16 | Rca Corporation | Voltage controlled tuner with voltage variable frequency selective arrangements controlled in response to a control voltage generated independently of the tuning voltage |
| US4476583A (en) * | 1983-02-28 | 1984-10-09 | Rca Corporation | Electronic tracking for tuners |
| US5311190A (en) * | 1992-12-22 | 1994-05-10 | Hughes Aircraft Company | Transmit and receive antenna element with feedback |
| US5926752A (en) * | 1998-01-15 | 1999-07-20 | Trw Inc. | Apparatus and method for remote convenience message transmission and control with a tunable filter receiver |
| DE19839857A1 (de) * | 1998-09-02 | 2000-03-30 | Bosch Gmbh Robert | Rundfunkempfangsgerät |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL280342A (sv) * | 1961-06-29 | |||
| DE977780C (de) * | 1962-07-12 | 1970-03-26 | Rohde & Schwarz | UEberlagerungsempfaenger |
| DE1221317B (de) * | 1963-02-07 | 1966-07-21 | Gen Dynamics Corp | Schaltung zur selbsttaetigen Ausregelung von Frequenzschwankungen eines HF-Schwingkreises |
| DE1441840B2 (de) * | 1963-07-06 | 1972-08-17 | Rohde & Schwarz, 8000 München | Ueberlagerungsempfaenger |
| DE1218554B (de) * | 1964-12-19 | 1966-06-08 | Telefunken Patent | Verfahren und Anordnung zur Einstellung und Konstanthaltung der Frequenz eines Oszillators |
| US3496473A (en) * | 1966-11-14 | 1970-02-17 | Gen Dynamics Corp | Automatically tuned communications systems |
| US3416096A (en) * | 1967-02-01 | 1968-12-10 | Gen Dynamics Corp | Frequency synthesizer systems for generating accurate radio frequency signals of selected frequencies |
| NL164164C (nl) * | 1970-09-24 | 1980-11-17 | Philips Nv | Breedbandige regelbare frequentiegenerator. |
| US3704423A (en) * | 1970-11-23 | 1972-11-28 | Bendix Corp | Adf with remote digital tuning |
| US3753142A (en) * | 1972-06-12 | 1973-08-14 | Logimetrics Inc | Signal generators employing digital phase locked loops and compensating circuits |
-
1972
- 1972-03-17 FR FR7209445A patent/FR2175671B1/fr not_active Expired
-
1973
- 1973-03-12 NL NL7303412A patent/NL7303412A/xx not_active Application Discontinuation
- 1973-03-13 CA CA166,919A patent/CA1003981A/en not_active Expired
- 1973-03-14 IT IT67726/73A patent/IT980590B/it active
- 1973-03-14 DE DE2312651A patent/DE2312651A1/de active Pending
- 1973-03-14 GB GB1224873A patent/GB1376286A/en not_active Expired
- 1973-03-14 NO NO1025/73A patent/NO134079C/no unknown
- 1973-03-14 US US00340955A patent/US3845393A/en not_active Expired - Lifetime
- 1973-03-14 SE SE7303551A patent/SE384114C/sv unknown
- 1973-03-15 BE BE128839A patent/BE796830A/xx not_active IP Right Cessation
- 1973-03-17 JP JP3054573A patent/JPS5321807B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO134079C (sv) | 1976-08-11 |
| BE796830A (nl) | 1973-09-17 |
| SE384114B (sv) | 1976-04-12 |
| DE2312651A1 (de) | 1973-09-20 |
| CA1003981A (en) | 1977-01-18 |
| JPS5321807B2 (sv) | 1978-07-05 |
| FR2175671A1 (sv) | 1973-10-26 |
| IT980590B (it) | 1974-10-10 |
| FR2175671B1 (sv) | 1977-04-01 |
| US3845393A (en) | 1974-10-29 |
| SE384114C (sv) | 1981-01-26 |
| JPS4914013A (sv) | 1974-02-07 |
| NL7303412A (sv) | 1973-09-19 |
| GB1376286A (en) | 1974-12-04 |
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