DE19754203A8 - Frequenzerzeugungsschaltung und Betriebsweise - Google Patents
Frequenzerzeugungsschaltung und Betriebsweise Download PDFInfo
- 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- Withdrawn
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)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Networks Using Active Elements (AREA)
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DE19754203A Withdrawn DE19754203A1 (de) | 1996-12-17 | 1997-12-06 | Frequenzerzeugungsschaltung und Betriebsweise |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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1153361C (zh) * | 1998-03-20 | 2004-06-09 | 皇家菲利浦电子有限公司 | 具有时钟信号发生器的接收器 |
WO2002047248A1 (en) * | 2000-11-03 | 2002-06-13 | Ensemble Communications, Inc. | Very low noise local oscillator for use in wireless communication transceiver |
Citations (3)
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)
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 |
-
1996
- 1996-12-17 GB GB9626186A patent/GB2320633B/en not_active Expired - Fee Related
-
1997
- 1997-11-24 NZ NZ329243A patent/NZ329243A/xx unknown
- 1997-12-06 DE DE19754203A patent/DE19754203A1/de not_active Withdrawn
- 1997-12-10 US US08/988,079 patent/US6163229A/en not_active Expired - Fee Related
- 1997-12-11 BR BR9705513-1A patent/BR9705513A/pt not_active IP Right Cessation
- 1997-12-17 AR ARP970105943A patent/AR010792A1/es unknown
Patent Citations (3)
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 |
---|---|
US6163229A (en) | 2000-12-19 |
GB2320633B (en) | 2000-12-27 |
AR010792A1 (es) | 2000-07-12 |
BR9705513A (pt) | 1999-10-05 |
DE19754203A1 (de) | 1998-06-18 |
GB2320633A (en) | 1998-06-24 |
GB9626186D0 (en) | 1997-02-05 |
NZ329243A (en) | 1999-07-29 |
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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 |