DD292789A5 - Verfahren und einrichtung zur digitalen automatischen frequenzregelung - Google Patents

Verfahren und einrichtung zur digitalen automatischen frequenzregelung Download PDF

Info

Publication number: DD292789A5
Authority: DD; German Democratic Republic
Prior art keywords: frequency; sine wave; pure sine; differences; comparison
Prior art date: 1988-12-16

Application number

DD89335741A

Other languages

German (de)

English (en)

Inventor

David E Borth

James F M Kepler

Original Assignee

Kkk

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.)

1988-12-16

Filing date

1989-12-15

Publication date

1991-08-08

1989-12-15 Application filed by Kkk filed Critical Kkk

1991-08-08 Publication of DD292789A5 publication Critical patent/DD292789A5/de

Links

238000000034 method Methods 0.000 title claims abstract description 18
230000010354 integration Effects 0.000 claims abstract description 5
238000001914 filtration Methods 0.000 claims abstract description 4
238000012935 Averaging Methods 0.000 claims description 6
230000010363 phase shift Effects 0.000 claims description 6
230000000052 comparative effect Effects 0.000 claims 3
230000004069 differentiation Effects 0.000 claims 1
230000000694 effects Effects 0.000 description 3
230000005540 biological transmission Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000006978 adaptation Effects 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
229910052792 caesium Inorganic materials 0.000 description 1
TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000001514 detection method Methods 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
229910052701 rubidium Inorganic materials 0.000 description 1
IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
239000000779 smoke Substances 0.000 description 1

Classifications

- 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
- H03L7/08—Details of the phase-locked loop
- 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
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
- 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
- H03J7/026—Means preventing a wrong working of the automatic frequency correction in case of fading or bad signal/noise ratio

Landscapes

Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Circuits Of Receivers In General (AREA)
Dc-Dc Converters (AREA)
Electrophonic Musical Instruments (AREA)
Superheterodyne Receivers (AREA)

DD89335741A 1988-12-16 1989-12-15 Verfahren und einrichtung zur digitalen automatischen frequenzregelung DD292789A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/285,147 US4910470A (en)	1988-12-16	1988-12-16	Digital automatic frequency control of pure sine waves

Publications (1)

Publication Number	Publication Date
DD292789A5 true DD292789A5 (de)	1991-08-08

Family

ID=23092938

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD89335741A DD292789A5 (de)	1988-12-16	1989-12-15	Verfahren und einrichtung zur digitalen automatischen frequenzregelung

Country Status (17)

Country	Link
US (1)	US4910470A (da)
EP (1)	EP0373517B1 (da)
JP (1)	JP2992338B2 (da)
KR (1)	KR940003196B1 (da)
AT (1)	ATE158908T1 (da)
CA (1)	CA2003688C (da)
DD (1)	DD292789A5 (da)
DE (1)	DE68928362T2 (da)
DK (1)	DK110491A (da)
ES (1)	ES2107410T3 (da)
GR (1)	GR3024917T3 (da)
IE (1)	IE80652B1 (da)
IL (1)	IL92361A0 (da)
MX (1)	MX166718B (da)
MY (1)	MY104494A (da)
PT (1)	PT92600B (da)
WO (1)	WO1990007233A1 (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5285200A (en) *	1990-11-29	1994-02-08	Kabushiki Kaisha Toshiba	Portable electronic device and a method for processing data therefore
AUPN174495A0 (en)	1995-03-15	1995-04-06	Ketharanathan, Vettivetpillai	Surgical prostheses
KR100193837B1 (ko) *	1996-08-24	1999-06-15	윤종용	시분할다윈접속 디지탈 이동통신 시스템의 주파수 교정 버스트 검출방법
JPH10224184A (ja) *	1997-02-12	1998-08-21	Nec Corp	ディジタルａｆｃ回路
DE69829456T2 (de)	1998-01-15	2005-07-28	Motorola Semiconducteurs S.A.	Vorrichtung und Verfahren zur Identifizierung eines Frequenzbursts
US6304620B1 (en) *	1998-03-20	2001-10-16	Philips Electronics North America Corproation	Sign-cross product automatic frequency control loop
US6282500B1 (en) *	1998-09-09	2001-08-28	Qualcomm Inc.	Accumulated phase measurement using open-loop phase estimation
AU2002227989A1 (en) *	2000-11-24	2002-06-03	Nokia Corporation	Component measures
KR100423059B1 (ko) *	2001-12-27	2004-03-12	엘지이노텍 주식회사	광대역 수신기의 ａｆｃ 장치 및 방법
JP3732214B1 (ja)	2005-02-16	2006-01-05	三菱電機株式会社	周波数差検出装置及び方法、周波数判別装置及び方法、並びに周波数合成装置及び方法
JP5691186B2 (ja) *	2010-02-10	2015-04-01	アイコム株式会社	自動周波数制御装置および無線通信機
US8638889B2 (en) *	2010-10-28	2014-01-28	Broadcom Corporation	Method and apparatus to improve acquisition of a quadrature amplitude modulated (QAM) signal having a frequency offset
US10785074B1 (en)	2020-04-29	2020-09-22	Hong Kong Applied Science and Technology Research Institute Company, Limited	Cross-product detection method for a narrowband signal under a wide range of carrier frequency offset (CFO) using multiple frequency bins

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3403355A (en) *	1966-01-12	1968-09-24	Fujitsu Ltd	Phase control circuit
US4318055A (en) *	1979-08-27	1982-03-02	Westinghouse Electric Corp.	Digitally controlled phase lock distillator system
GB2149244B (en) *	1983-10-29	1987-01-21	Standard Telephones Cables Ltd	Digital demodulator arrangement for quadrature signals
NL8303819A (nl) *	1983-11-07	1985-06-03	Philips Nv	Gesampelde costas lus.
US4814719A (en) *	1987-12-14	1989-03-21	Ford Aerospace & Communications Corporation	Unsymmetrical QPSK demodulator

1988
- 1988-12-16 US US07/285,147 patent/US4910470A/en not_active Expired - Fee Related
1989
- 1989-11-20 IL IL92361A patent/IL92361A0/xx not_active IP Right Cessation
- 1989-11-23 CA CA002003688A patent/CA2003688C/en not_active Expired - Fee Related
- 1989-11-29 MX MX018532A patent/MX166718B/es unknown
- 1989-12-11 EP EP89122616A patent/EP0373517B1/en not_active Expired - Lifetime
- 1989-12-11 ES ES89122616T patent/ES2107410T3/es not_active Expired - Lifetime
- 1989-12-11 DE DE68928362T patent/DE68928362T2/de not_active Expired - Fee Related
- 1989-12-11 AT AT89122616T patent/ATE158908T1/de not_active IP Right Cessation
- 1989-12-14 WO PCT/US1989/005778 patent/WO1990007233A1/en not_active Ceased
- 1989-12-14 KR KR1019900701782A patent/KR940003196B1/ko not_active Expired - Fee Related
- 1989-12-14 JP JP2501906A patent/JP2992338B2/ja not_active Expired - Fee Related
- 1989-12-15 IE IE402689A patent/IE80652B1/en not_active IP Right Cessation
- 1989-12-15 DD DD89335741A patent/DD292789A5/de not_active IP Right Cessation
- 1989-12-15 PT PT92600A patent/PT92600B/pt not_active IP Right Cessation
- 1989-12-16 MY MYPI89001789A patent/MY104494A/en unknown
1991
- 1991-06-11 DK DK110491A patent/DK110491A/da not_active Application Discontinuation
1997
- 1997-10-02 GR GR970402339T patent/GR3024917T3/el unknown

Also Published As

Publication number	Publication date
KR940003196B1 (ko)	1994-04-15
PT92600A (pt)	1990-06-29
DE68928362D1 (de)	1997-11-06
MY104494A (en)	1994-04-30
DK110491D0 (da)	1991-06-11
US4910470A (en)	1990-03-20
IL92361A0 (en)	1990-07-26
ATE158908T1 (de)	1997-10-15
MX166718B (es)	1993-01-29
JPH04503441A (ja)	1992-06-18
GR3024917T3 (en)	1998-01-30
ES2107410T3 (es)	1997-12-01
IE894026L (en)	1990-06-16
EP0373517A3 (en)	1990-08-16
JP2992338B2 (ja)	1999-12-20
PT92600B (pt)	1998-05-29
CA2003688C (en)	1993-10-05
DK110491A (da)	1991-06-11
DE68928362T2 (de)	1998-03-19
EP0373517B1 (en)	1997-10-01
EP0373517A2 (en)	1990-06-20
CA2003688A1 (en)	1990-06-16
IE80652B1 (en)	1998-11-04
WO1990007233A1 (en)	1990-06-28
KR910700568A (ko)	1991-03-15

Legal Events

Date	Code	Title	Description
2002-10-24	ENJ	Ceased due to non-payment of renewal fee

Publication	Publication Date	Title
DE4191766C2 (de)	1999-08-19	Frequenzsteuerschaltkreis für einen einstellbaren Empfänger-Oszillator
DE4193230C1 (de)	1997-10-30	Sendeschaltung in einem Funktelefon mit einem Pegelsender
DE69624020T2 (de)	2003-07-17	Nullzwischenfrequenz-Empfänger
DE69030892T2 (de)	1998-01-02	Vorrichtung und Verfahren zur Frequenzsteuerung für einen digitalen Funkempfänger
DE69422883T2 (de)	2000-05-25	Teilchenanalysator
DE69329140T2 (de)	2001-03-29	Direktumsetzempfänger
DE68918857T2 (de)	1995-03-02	Digitaler Empfänger mit Unter-Nyquistabtastrate.
DE2648977C3 (de)	1979-11-15	Demodulator für differentiell phasencodierte Digitaldaten
DE3783837T2 (de)	1993-08-19	Traegerrueckgewinnung von modulierten signalen.
DD292789A5 (de)	1991-08-08	Verfahren und einrichtung zur digitalen automatischen frequenzregelung
DE69026151T2 (de)	1996-08-22	Frequenzsynthesizer
DE69406151T2 (de)	1998-04-02	Einrichtung zur Synchronisierung eines lokalen Trägers, in OFDM-Systemen
DE2530467C3 (de)	1978-04-27	Bandpaßfilter-Schaltung
DD292788A5 (de)	1991-08-08	Verfahren und einrichtung zur automatischen frequenzregelung
DE69702402T2 (de)	2001-01-11	Frequenzmodulator
DE69428258T2 (de)	2002-06-13	Verfahren und Anordnung zum Steuern eines Schleifenfilters
DE4306551A1 (da)	1993-09-09
DE3902826C2 (da)	1992-04-23
DE2442985C2 (da)	1988-12-22
DE3788322T2 (de)	1994-03-17	Demodulator für PSK-modulierte Signale.
DE3644392C2 (da)	1989-09-14
DE69105508T2 (de)	1995-05-24	Verfahren zur demodulation und decodierung von mls-dpsk-sendungen unter verwendung von einem digitalen signalprozessor.
DE4335228C2 (de)	1996-03-28	Verfahren zur Empfangssynchronisation
EP0291826B1 (de)	1990-02-14	Digitaler Demodulator
DE2913172B2 (de)	1981-06-11	Empfänger für hochfrequente elektromagneitsche Schwingungen mit einer Frequenznachregelung