DK154596C - Modtager med en frekvenssyntetiseringskreds - Google Patents

Modtager med en frekvenssyntetiseringskreds

Info

Publication number
DK154596C
DK154596C DK470378A DK470378A DK154596C DK 154596 C DK154596 C DK 154596C DK 470378 A DK470378 A DK 470378A DK 470378 A DK470378 A DK 470378A DK 154596 C DK154596 C DK 154596C
Authority
DK
Denmark
Prior art keywords
receiver
synthesis circuit
frequency synthesis
frequency
circuit
Prior art date
Application number
DK470378A
Other languages
English (en)
Other versions
DK470378A (da
DK154596B (da
Inventor
Theodorus Henricus Mar Deursen
Original Assignee
Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of DK470378A publication Critical patent/DK470378A/da
Publication of DK154596B publication Critical patent/DK154596B/da
Application granted granted Critical
Publication of DK154596C publication Critical patent/DK154596C/da

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
    • 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)
  • Superheterodyne Receivers (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
DK470378A 1977-10-26 1978-10-23 Modtager med en frekvenssyntetiseringskreds DK154596C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7711714,A NL179435C (nl) 1977-10-26 1977-10-26 Ontvanger met een frequentiesynthese-schakeling.
NL7711714 1977-10-26

Publications (3)

Publication Number Publication Date
DK470378A DK470378A (da) 1979-04-27
DK154596B DK154596B (da) 1988-11-28
DK154596C true DK154596C (da) 1989-04-17

Family

ID=19829407

Family Applications (1)

Application Number Title Priority Date Filing Date
DK470378A DK154596C (da) 1977-10-26 1978-10-23 Modtager med en frekvenssyntetiseringskreds

Country Status (17)

Country Link
US (1) US4271530A (da)
JP (1) JPS5471515A (da)
AT (1) AT377135B (da)
AU (1) AU519689B2 (da)
BR (1) BR7806975A (da)
CA (1) CA1149024A (da)
DE (1) DE2845483C2 (da)
DK (1) DK154596C (da)
ES (1) ES474451A1 (da)
FR (1) FR2407614A1 (da)
GB (1) GB2007049B (da)
HK (1) HK48283A (da)
IT (1) IT1108260B (da)
MX (1) MX146152A (da)
NL (1) NL179435C (da)
SE (2) SE430844B (da)
SG (1) SG59582G (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933416A1 (de) * 1979-08-17 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Verfahren zur automatischen zf-korrektur von rundfunkgeraeten mit digital einstellbarer empfangsrequenz
US4344187A (en) * 1979-10-18 1982-08-10 Nippon Gakki Seizo Kabushiki Kaisha Radio receiver with system for maintaining optimum tuning
FR2490428B1 (fr) * 1980-09-16 1986-04-18 Thomson Csf Dispositif de recherche de la frequence d'accord d'un recepteur radioelectrique a modulation de frequence
DE3111933A1 (de) * 1981-03-26 1982-10-07 Blaupunkt-Werke Gmbh, 3200 Hildesheim Ueberlagerungsempfaenger mit einem digitalen abstimmsystem
JPS58223913A (ja) * 1982-06-21 1983-12-26 Yaesu Musen Co Ltd 無線通信機の同調方式
JPS58225717A (ja) * 1982-06-24 1983-12-27 Yaesu Musen Co Ltd 無線通信機の同調方式
JPS592419A (ja) * 1982-06-28 1984-01-09 Yaesu Musen Co Ltd 無線通信機の同調方式
US4727591A (en) * 1986-09-04 1988-02-23 Arvin Industries, Inc. Microprocessor controlled tuning system
GB2220317B (en) * 1988-05-28 1992-07-22 Motorola Israel Ltd Automatically self-calibrating oscillators in heterodyned radio receivers
JPH0572309U (ja) * 1992-03-17 1993-10-05 三井精機工業株式会社 主軸テーパ穴の硬化処理構造
JPH0574716U (ja) * 1992-03-17 1993-10-12 三井精機工業株式会社 主軸テーパ穴の硬化構造
US5564091A (en) * 1995-03-29 1996-10-08 Motorola, Inc. Method and apparatus for operating an automatic frequency control in a radio
US5983077A (en) * 1997-07-31 1999-11-09 Ericsson Inc. Systems and methods for automatic deviation setting and control in radio transmitters
GB2335807B (en) * 1998-03-24 2001-12-12 Ericsson Telefon Ab L M Demodulator circuits
GB2344710B (en) * 1998-12-09 2002-05-15 Mitel Semiconductor Ltd Improvements in or relating to demodulator alignment correction in tuners
DE102004054667A1 (de) * 2004-11-12 2006-05-18 Hella Kgaa Hueck & Co. Verfahren und Vorrichtung zum Stabilisieren einer Frequenz

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR957645A (da) * 1942-11-03 1950-02-23
US2856519A (en) * 1952-10-11 1958-10-14 Gen Precision Lab Inc Automatic signal frequency tracker, with search and hold-during-fade provisions
DE2233724C3 (de) * 1972-07-08 1975-11-27 Loewe Opta Gmbh, 1000 Berlin Schaltungsanordnung zum Einstellen der Frequenz in spannungsabhängigen Oszillatoren
JPS51142201A (en) * 1975-06-02 1976-12-07 Onkyo Corp Automatic frequency control circuit
JPS5421947Y2 (da) * 1975-11-13 1979-08-02
US4038689A (en) * 1976-06-14 1977-07-26 Matsushita Electric Corporation Of America Frequency synthesizer tuning system with manual fine tuning control

Also Published As

Publication number Publication date
AU519689B2 (en) 1981-12-17
ES474451A1 (es) 1979-04-16
AT377135B (de) 1985-02-11
GB2007049B (en) 1982-09-29
GB2007049A (en) 1979-05-10
IT1108260B (it) 1985-12-02
SE7810993L (sv) 1979-04-27
CA1149024A (en) 1983-06-28
JPS5620738B2 (da) 1981-05-15
IT7869430A0 (it) 1978-10-23
US4271530A (en) 1981-06-02
NL7711714A (nl) 1979-05-01
HK48283A (en) 1983-11-04
AU4097278A (en) 1980-05-01
FR2407614A1 (fr) 1979-05-25
SG59582G (en) 1983-09-02
DE2845483A1 (de) 1979-05-03
MX146152A (es) 1982-05-19
BR7806975A (pt) 1979-05-15
JPS5471515A (en) 1979-06-08
DK470378A (da) 1979-04-27
NL179435C (nl) 1986-09-01
DK154596B (da) 1988-11-28
SE430844B (sv) 1983-12-12
DE2845483C2 (de) 1982-08-12
NL179435B (nl) 1986-04-01
ATA763978A (de) 1984-06-15
FR2407614B1 (da) 1984-10-19

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Legal Events

Date Code Title Description
PBP Patent lapsed