SE448507B - Radiomottagare innefattande en frekvenslast slinga med ljudfrekvensaterkoppling och en undertryckningskrets - Google Patents

Radiomottagare innefattande en frekvenslast slinga med ljudfrekvensaterkoppling och en undertryckningskrets

Info

Publication number
SE448507B
SE448507B SE8006066A SE8006066A SE448507B SE 448507 B SE448507 B SE 448507B SE 8006066 A SE8006066 A SE 8006066A SE 8006066 A SE8006066 A SE 8006066A SE 448507 B SE448507 B SE 448507B
Authority
SE
Sweden
Prior art keywords
frequency
phase
input
circuit
limiter
Prior art date
Application number
SE8006066A
Other languages
English (en)
Swedish (sv)
Inventor
W G Kasperkovitz
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 SE448507B publication Critical patent/SE448507B/sv

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/004Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/34Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
SE8006066A 1979-09-04 1980-09-01 Radiomottagare innefattande en frekvenslast slinga med ljudfrekvensaterkoppling och en undertryckningskrets SE448507B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7906602,A NL184594C (nl) 1979-09-04 1979-09-04 Radio-ontvanger voorzien van een frequentie gesleutelde lus met audiofrequente terugkoppeling, en een stomschakeling.

Publications (1)

Publication Number Publication Date
SE448507B true SE448507B (sv) 1987-02-23

Family

ID=19833779

Family Applications (2)

Application Number Title Priority Date Filing Date
SE8006066A SE448507B (sv) 1979-09-04 1980-09-01 Radiomottagare innefattande en frekvenslast slinga med ljudfrekvensaterkoppling och en undertryckningskrets
SE8006066D SE8006066L (sv) 1979-09-04 1980-09-01 Radiomottagare innefattande en frekvenslast slinga med ljudfrekvensaterkoppling och en undertryckningskrets

Family Applications After (1)

Application Number Title Priority Date Filing Date
SE8006066D SE8006066L (sv) 1979-09-04 1980-09-01 Radiomottagare innefattande en frekvenslast slinga med ljudfrekvensaterkoppling och en undertryckningskrets

Country Status (15)

Country Link
US (3) US4426735A (pt)
JP (4) JPS5640332A (pt)
AT (1) AT380136B (pt)
AU (1) AU544293B2 (pt)
BR (1) BR8005613A (pt)
CA (1) CA1163326A (pt)
DE (3) DE3032701C2 (pt)
ES (1) ES494719A0 (pt)
FR (3) FR2464600A1 (pt)
GB (2) GB2059702B (pt)
HK (3) HK99584A (pt)
IT (1) IT1129142B (pt)
NL (1) NL184594C (pt)
SE (2) SE448507B (pt)
SG (1) SG22184G (pt)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL184594C (nl) * 1979-09-04 1989-09-01 Philips Nv Radio-ontvanger voorzien van een frequentie gesleutelde lus met audiofrequente terugkoppeling, en een stomschakeling.
NL8200959A (nl) * 1982-03-09 1983-10-03 Philips Nv Fm-ontvanger voorzien van een frequentie gesleutelde lus.
DE3208758A1 (de) * 1982-03-11 1983-09-22 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen fm-empfaenger
FR2538645B1 (fr) * 1982-12-28 1986-04-11 Thomson Csf Procede et dispositif d'interpolation de la parole dans un systeme de transmission de parole numerisee
NL8301179A (nl) * 1983-04-01 1984-11-01 Philips Nv Ontvanger voor hf-signalen voorzien van een paar parallelle signaalwegen.
JPS59215113A (ja) * 1983-05-23 1984-12-05 Victor Co Of Japan Ltd テレビジヨン信号受信装置のafc回路
US4479250A (en) * 1983-06-10 1984-10-23 Motorola, Inc. Dual audio capture limiter squelch circuit
US4627102A (en) * 1983-06-27 1986-12-02 The Commonwealth Of Australia Squelch circuit
DE3328555A1 (de) * 1983-08-08 1985-02-28 Philips Patentverwaltung Gmbh, 2000 Hamburg Empfaengerschaltung
GB2158330A (en) * 1984-04-30 1985-11-06 Philips Electronic Associated An afc system for a direct modulation fm data receiver
DE3500217C2 (de) * 1985-01-05 1995-04-13 Blaupunkt Werke Gmbh Verfahren und Schaltungsanordnung zum Unterdrücken von Zwischenstationsgeräuschen
JPS6235727A (ja) * 1985-08-09 1987-02-16 Nec Corp 自己診断機能を有する受信機
NL8502967A (nl) * 1985-09-19 1987-04-16 Philips Nv Hoekdemodulator.
EP0298959B1 (en) * 1986-04-03 1992-08-12 Motorola, Inc. Fm receiver with noise suppression during rayleigh faded received signals
JPS62189438U (pt) * 1986-05-23 1987-12-02
JPH0734547B2 (ja) * 1988-06-16 1995-04-12 パイオニア株式会社 ミューティング制御回路
US4947456A (en) * 1988-09-16 1990-08-07 Uniden America Corporation Scanning radio receiver
US5514988A (en) * 1994-09-15 1996-05-07 National Semiconductor Corporation Temperature-compensated, precision frequency-to-voltage converter
US5970399A (en) * 1995-11-22 1999-10-19 Telefonaktiebolaget Lm Ericsson Radio channel squelching systems
US6633550B1 (en) * 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
US6373398B2 (en) * 1997-06-10 2002-04-16 Kabushiki Kaisha Toshiba Automobile tuner system
GB2341741B (en) * 1998-09-18 2003-03-26 Nec Technologies Stabilisation of passband active filters
JP3275878B2 (ja) 1999-06-22 2002-04-22 トヨタ自動車株式会社 デジタル放送受信機
EP1091512A1 (fr) * 1999-10-06 2001-04-11 Conseils et Manufactures VLG SA Récepteur à modulation de fréquence, notamment pour une application RDS
CH702685B1 (fr) 1999-10-06 2011-08-31 Richemont Int Sa Récepteur à modulation de fréquence, notamment pour une application RDS.
JP2002016491A (ja) * 2000-06-29 2002-01-18 Oki Electric Ind Co Ltd 周波数制御発振器
DE60127810T2 (de) 2001-04-27 2007-12-27 CSEM Centre Suisse d`Electronique et de Microtechnique S.A. - Recherche et Développement Zeithaltendes Gerät mit automatischer Zeitkorrektur und Verfahren zur Zeitkorrektur eines derartigen Gerätes
JP5020760B2 (ja) * 2007-09-27 2012-09-05 ラピスセミコンダクタ株式会社 受信周波数制御回路
US8812152B1 (en) * 2013-02-22 2014-08-19 TamiCare, Ltd. Method and apparatus for changing carriage speed on a closed-loop track
JP6264204B2 (ja) * 2014-06-17 2018-01-24 富士通株式会社 通信装置及び位相調整方法
US10211868B2 (en) * 2014-10-21 2019-02-19 Maxlinear, Inc. Phase noise suppression
US9685983B2 (en) * 2014-11-05 2017-06-20 Maxlinear, Inc. Outdoor unit resonator correction

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2122672A (en) * 1936-06-30 1938-07-05 Rca Corp Signal controlled siren oscillator circuit
US2177713A (en) * 1937-08-10 1939-10-31 Hazeltine Corp Frequency-selective network
US2831106A (en) * 1956-09-25 1958-04-15 American Telephone & Telegraph Stabilized automatic frequency control circuit with noise operated squelch
US3100871A (en) * 1961-01-03 1963-08-13 Motorola Inc Single sideband receiver having squelch and phase-locked detection means
US3619492A (en) * 1969-06-02 1971-11-09 Rca Corp Automatic fine tuning circuitry
JPS5627024B2 (pt) * 1973-01-09 1981-06-22
JPS4979762A (pt) * 1972-12-09 1974-08-01
US3842198A (en) 1973-09-07 1974-10-15 Warwick Electronics Inc Sound demodulator and afc system
JPS5722252B2 (pt) * 1973-09-28 1982-05-12
US4207529A (en) 1976-04-08 1980-06-10 Fujitsu Ten Limited Radio receiver
JPS6039825B2 (ja) * 1976-09-20 1985-09-07 日東電工株式会社 建造物などの外装方法
US4087756A (en) * 1977-06-14 1978-05-02 Harris Corporation FM Feedback demodulator having threshold extension circuit with two-pole crystal filters
US4117410A (en) * 1977-10-13 1978-09-26 Motorola, Inc. Phase locked loop signal demodulator and squelch circuit
DE2754906A1 (de) * 1977-12-09 1979-06-13 Blaupunkt Werke Gmbh Schaltungsanordnung fuer autoradios als einstellhilfe bei der senderwahl
JPS54115817U (pt) * 1978-02-02 1979-08-14
JPS6049372B2 (ja) * 1978-03-30 1985-11-01 ソニー株式会社 テレビジヨン受像機
NL184594C (nl) * 1979-09-04 1989-09-01 Philips Nv Radio-ontvanger voorzien van een frequentie gesleutelde lus met audiofrequente terugkoppeling, en een stomschakeling.

Also Published As

Publication number Publication date
GB8312991D0 (en) 1983-06-15
ES8105908A1 (es) 1981-06-01
JPH0336118Y2 (pt) 1991-07-31
CA1163326A (en) 1984-03-06
FR2530098B1 (pt) 1986-08-29
DE3032701A1 (de) 1981-03-19
NL184594C (nl) 1989-09-01
FR2530097A1 (fr) 1984-01-13
FR2530097B1 (fr) 1986-08-29
DE3050830C2 (pt) 1987-09-03
US4426735A (en) 1984-01-17
US4547902A (en) 1985-10-15
NL7906602A (nl) 1981-03-06
JPS637052B2 (pt) 1988-02-15
GB2059702B (en) 1984-01-18
SG22184G (en) 1985-01-04
GB2059702A (en) 1981-04-23
BR8005613A (pt) 1981-03-17
JPS6223931B2 (pt) 1987-05-26
GB2124842A (en) 1984-02-22
HK99684A (en) 1984-12-28
IT1129142B (it) 1986-06-04
GB2124842B (en) 1984-08-01
FR2464600A1 (fr) 1981-03-06
HK40485A (en) 1985-05-31
FR2464600B1 (pt) 1985-04-19
US4509205A (en) 1985-04-02
AT380136B (de) 1986-04-10
SE8006066L (sv) 1981-03-05
IT8068358A0 (it) 1980-09-02
JPS6421534U (pt) 1989-02-02
DE3050831C2 (de) 1986-01-16
NL184594B (nl) 1989-04-03
ATA442480A (de) 1985-08-15
JPS5640332A (en) 1981-04-16
FR2530098A1 (pt) 1984-01-13
JPS62247629A (ja) 1987-10-28
AU6196380A (en) 1981-03-12
DE3032701C2 (de) 1986-01-16
JPS62247628A (ja) 1987-10-28
HK99584A (en) 1984-12-28
ES494719A0 (es) 1981-06-01
AU544293B2 (en) 1985-05-23

Similar Documents

Publication Publication Date Title
SE448507B (sv) Radiomottagare innefattande en frekvenslast slinga med ljudfrekvensaterkoppling och en undertryckningskrets
US4479091A (en) Phase locked loop FM demodulator with variable bandwidth loop filter
JP2729028B2 (ja) Fm搬送波の復調方法および復調回路
JPH0795699B2 (ja) 受信機
US3939425A (en) Noise-squelching circuit using a phase-locked loop
US4356350A (en) FM Receiver
US4408350A (en) Enhanced selectivity signal receiver
GB2035730A (en) Televisions receivers
EP0645882B1 (en) Demodulation of FM carrier
US3939424A (en) Radio receiver with a phase locked loop for a demodulator
US20070146550A1 (en) Receiving circuit, receiving apparatus, and receiving method
US4607392A (en) Circuit for improving the tuning behavior of a receiver frequency control loop
US4419695A (en) Television sound receiver
US4746873A (en) FM demodulators
EP0135301A1 (en) Demodulation circuit from FM signals and demodulation system therefor
JPS6014526B2 (ja) Pll発振回路
GB2122827A (en) Radio receiver including a muting circuit
US4476586A (en) IF Signal processing circuit in a receiver
JPS6018081A (ja) Fm復調器
JPS60194609A (ja) テレビジヨン受像機
JP3335226B2 (ja) 受信機
JPS628975B2 (pt)
JP2884611B2 (ja) 位相同期判定回路
US4454484A (en) Phase-locked loop including an amplifier circuit arrangement
GB2214742A (en) Noise-controlled frequency-modulation signal detector

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8006066-8

NUG Patent has lapsed

Ref document number: 8006066-8