[go: up one dir, main page]

DE19754203A8 - Frequenzerzeugungsschaltung und Betriebsweise - Google Patents

Frequenzerzeugungsschaltung und Betriebsweise Download PDF

Info

Publication number
DE19754203A8
DE19754203A8 DE19754203A DE19754203A DE19754203A8 DE 19754203 A8 DE19754203 A8 DE 19754203A8 DE 19754203 A DE19754203 A DE 19754203A DE 19754203 A DE19754203 A DE 19754203A DE 19754203 A8 DE19754203 A8 DE 19754203A8
Authority
DE
Germany
Prior art keywords
mode
generating circuit
frequency generating
frequency
circuit
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE19754203A
Other languages
English (en)
Other versions
DE19754203A1 (de
Inventor
Alfred Caspers
Manfred Müller
Stefan Lichterfeld
Norbert Roettger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Germany GmbH
Original Assignee
Motorola GmbH
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 Motorola GmbH filed Critical Motorola GmbH
Publication of DE19754203A1 publication Critical patent/DE19754203A1/de
Publication of DE19754203A8 publication Critical patent/DE19754203A8/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Networks Using Active Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE19754203A 1996-12-17 1997-12-06 Frequenzerzeugungsschaltung und Betriebsweise Withdrawn DE19754203A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9626186.2 1996-12-17
GB9626186A GB2320633B (en) 1996-12-17 1996-12-17 Frequency generating circuit and method of operation

Publications (2)

Publication Number Publication Date
DE19754203A1 DE19754203A1 (de) 1998-06-18
DE19754203A8 true DE19754203A8 (de) 2009-12-03

Family

ID=10804571

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19754203A Withdrawn DE19754203A1 (de) 1996-12-17 1997-12-06 Frequenzerzeugungsschaltung und Betriebsweise

Country Status (6)

Country Link
US (1) US6163229A (de)
AR (1) AR010792A1 (de)
BR (1) BR9705513A (de)
DE (1) DE19754203A1 (de)
GB (1) GB2320633B (de)
NZ (1) NZ329243A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999049582A2 (en) * 1998-03-20 1999-09-30 Koninklijke Philips Electronics N.V. Receiver with a clock signal generator
WO2002047248A1 (en) * 2000-11-03 2002-06-13 Ensemble Communications, Inc. Very low noise local oscillator for use in wireless communication transceiver

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794928A (en) * 1973-04-18 1974-02-26 Collins Radio Co Frequency shift keyed demodulator
EP0200977B1 (de) * 1985-05-07 1990-03-28 Blaupunkt-Werke GmbH Digitaler Demodulator
US5301367A (en) * 1991-09-04 1994-04-05 Nokia Mobile Phones Ltd. Direct digital synthesizer for producing a modulated intermediate frequency in a radio apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258436A (en) * 1979-08-01 1981-03-24 The United States Of America As Represented By The Secretary Of The Navy Multichannel RF signal generator
US5309479A (en) * 1991-04-29 1994-05-03 Hughes Aircraft Company Low Cost Ku band transmitter
JPH0614065A (ja) * 1992-06-26 1994-01-21 Nec Corp 多値ｆｓｋ変調器
US5446421A (en) * 1994-02-02 1995-08-29 Thomson Consumer Electronics, Inc. Local oscillator phase noise cancelling modulation technique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794928A (en) * 1973-04-18 1974-02-26 Collins Radio Co Frequency shift keyed demodulator
EP0200977B1 (de) * 1985-05-07 1990-03-28 Blaupunkt-Werke GmbH Digitaler Demodulator
US5301367A (en) * 1991-09-04 1994-04-05 Nokia Mobile Phones Ltd. Direct digital synthesizer for producing a modulated intermediate frequency in a radio apparatus

Also Published As

Publication number Publication date
AR010792A1 (es) 2000-07-12
GB2320633A (en) 1998-06-24
GB2320633B (en) 2000-12-27
NZ329243A (en) 1999-07-29
US6163229A (en) 2000-12-19
DE19754203A1 (de) 1998-06-18
BR9705513A (pt) 1999-10-05
GB9626186D0 (en) 1997-02-05

Similar Documents

Publication Publication Date Title
DE69834875D1 (de) Frequenzumsetzungsschaltung
ATA106797A (de) Anordnung mit bauteilen und bauteile
DE69709266D1 (de) Frequenzsteuerbarer Oszillator
DE69714881D1 (de) Integrierter Hochfrequenzverstärker
MA26668A1 (fr) ACTIVATEURS DE hPPARy ET hPPARa
DE69808576D1 (de) Elektronischer Hochfrequenzschalter
DE59708532D1 (de) Elektrochirurgischer Hochfrequenz-Generator
DE69508653D1 (de) Hochfrequenzleistungsverstärker
DE69719636D1 (de) Spannungsgesteuerter Oszillator und Abstimmverfahren dafür
DE69839816D1 (de) Mechanische akustische frequenzweiche und wandler dafür
DE69717677D1 (de) Koproduktion von perfluormethylperfluorvinylether und perfluorethylperfluorvinylether
DE69708025D1 (de) Frequenzgeneratorschaltung
IT1275011B (it) Convertitore di frequenza e procedimento per il funzionamento
DE69531752D1 (de) Spannungs-Frequenzwandler
DE69535414D1 (de) Frequenzmodulationsschaltung
DE19754203A8 (de) Frequenzerzeugungsschaltung und Betriebsweise
DE69522196D1 (de) Pufferschaltung und Vorspannungsschaltung
NO971941D0 (no) Piezoelektrisk resonator og kretskomponent
DE69805260D1 (de) Mikrowellensynthese von Chinacridonen, 6,13-Dihydrochinacridonen und 6,13-Chinaridonchinonen
DE69502610D1 (de) Hochfrequenz-impedanzwandler
KR960003271U (ko) 전원회로의 아크 방지회로
DE69715750D1 (de) Spannungsgesteuerte Oszillatorschaltung
KR960024291U (ko) 다기능 전력 수급용 복합 계기의 주파수변동 검출회로
KR970064359U (ko) 스위칭 모드 전원 공급장치의 발진 주파수 가변회로
KR930022500U (ko) 프로그래머블 타이밍 및 주파수 발생회로

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee
8196 Reprint of faulty title page (publication) german patentblatt: part 1a6
OP8 Request for examination as to paragraph 44 patent law