DE69226245D1 - Verfahren zur Kalibrierung eines Überlagerungsempfängers - Google Patents
Verfahren zur Kalibrierung eines ÜberlagerungsempfängersInfo
- Publication number
- DE69226245D1 DE69226245D1 DE69226245T DE69226245T DE69226245D1 DE 69226245 D1 DE69226245 D1 DE 69226245D1 DE 69226245 T DE69226245 T DE 69226245T DE 69226245 T DE69226245 T DE 69226245T DE 69226245 D1 DE69226245 D1 DE 69226245D1
- Authority
- DE
- Germany
- Prior art keywords
- calibrating
- heterodyne receiver
- heterodyne
- receiver
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
-
- 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
- H03J7/065—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 the counter or frequency divider being used in a phase locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- 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
- H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
- H03B2201/02—Varying the frequency of the oscillations by electronic means
- H03B2201/0275—Varying the frequency of the oscillations by electronic means the means delivering several selected voltages or currents
- H03B2201/0283—Varying the frequency of the oscillations by electronic means the means delivering several selected voltages or currents the means functioning digitally
- H03B2201/0291—Varying the frequency of the oscillations by electronic means the means delivering several selected voltages or currents the means functioning digitally and being controlled by a processing device, e.g. a microprocessor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3344024A JPH05152989A (ja) | 1991-12-02 | 1991-12-02 | スーパーヘテロダイン受信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69226245D1 true DE69226245D1 (de) | 1998-08-20 |
DE69226245T2 DE69226245T2 (de) | 1998-11-19 |
Family
ID=18366073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69226245T Expired - Fee Related DE69226245T2 (de) | 1991-12-02 | 1992-11-30 | Verfahren zur Kalibrierung eines Überlagerungsempfängers |
Country Status (4)
Country | Link |
---|---|
US (1) | US5361407A (de) |
EP (1) | EP0545342B1 (de) |
JP (1) | JPH05152989A (de) |
DE (1) | DE69226245T2 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07105739B2 (ja) * | 1993-06-08 | 1995-11-13 | 日本電気株式会社 | 受信機 |
JP2880376B2 (ja) * | 1993-06-10 | 1999-04-05 | 三菱電機株式会社 | 周波数安定化装置 |
JP3565281B2 (ja) * | 1993-10-08 | 2004-09-15 | ソニー株式会社 | 受信機 |
US5548839A (en) * | 1994-10-14 | 1996-08-20 | Caldwell; Stephen P. | Wide band radio-frequency converter having multiple use of intermediate frequency translators |
JPH0993090A (ja) * | 1995-09-21 | 1997-04-04 | Pioneer Electron Corp | 受信機 |
EP0894369B1 (de) * | 1996-04-19 | 2004-02-18 | LGC Wireless, Inc. | Funkfrequenz signal-verteilung durch infrastrukturen mit schmaler bandbreite |
JPH1065566A (ja) * | 1996-08-23 | 1998-03-06 | Matsushita Electric Ind Co Ltd | 小型無線機 |
US6057876A (en) * | 1996-12-18 | 2000-05-02 | General Instrument Corporation | Dual conversion settop terminal including a system for avoiding oscillator difference beats |
US6163687A (en) * | 1997-07-22 | 2000-12-19 | Intel Corporation | Tuning module for a dual frequency PLL synthesized tuner |
US6591091B1 (en) | 1998-11-12 | 2003-07-08 | Broadcom Corporation | System and method for coarse/fine PLL adjustment |
DE19963647B4 (de) * | 1999-12-29 | 2006-09-14 | Harman Becker Automotive Systems (Becker Division) Gmbh | Mischeranordnung |
GB2399966A (en) * | 2003-03-27 | 2004-09-29 | Nokia Corp | Temperature-insensitive GPS receiver |
IL161869A (en) | 2004-05-06 | 2014-05-28 | Serconet Ltd | A system and method for carrying a signal originating is wired using wires |
US7720451B2 (en) * | 2004-12-03 | 2010-05-18 | Itt Manufacturing Enterprises, Inc. | Methods and apparatus for calibrating oscillators in a receiver |
US7813451B2 (en) | 2006-01-11 | 2010-10-12 | Mobileaccess Networks Ltd. | Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting |
US7907474B2 (en) * | 2007-10-02 | 2011-03-15 | Geokinetics Acquisition Company | Superheterodyne seismic vibrator and method |
EP2203799A4 (de) | 2007-10-22 | 2017-05-17 | Mobileaccess Networks Ltd. | Kommunikationssystem mit leitungen mit niedriger bandbreite |
US8175649B2 (en) | 2008-06-20 | 2012-05-08 | Corning Mobileaccess Ltd | Method and system for real time control of an active antenna over a distributed antenna system |
CN102232191B (zh) | 2009-02-08 | 2015-07-08 | 康宁移动接入有限公司 | 采用携带以太网信号的电缆的通信系统 |
JP5573484B2 (ja) * | 2010-08-13 | 2014-08-20 | ソニー株式会社 | 位相同期回路および無線通信装置 |
EP2829152A2 (de) | 2012-03-23 | 2015-01-28 | Corning Optical Communications Wireless Ltd. | Rfic-chip(s) zur bereitstellung von funktionalitäten eines verteilten antennensystems sowie entsprechende komponenten, systeme und verfahren |
CN102970030A (zh) * | 2012-11-01 | 2013-03-13 | 南京国睿安泰信科技股份有限公司 | 利用宽带本振和高频鉴相实现频谱仪下变频的系统 |
CN103532574B (zh) * | 2013-06-26 | 2017-02-08 | 中国电子科技集团公司第四十一研究所 | 在接收变频系统中产生任意中频输出的装置 |
US9184960B1 (en) | 2014-09-25 | 2015-11-10 | Corning Optical Communications Wireless Ltd | Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3593153A (en) * | 1969-01-07 | 1971-07-13 | Electronic Communications | Narrow bandwidth radio receiver having means to position an rf signal within a steep sided passband filter |
US3938048A (en) * | 1974-10-10 | 1976-02-10 | Heath Company | Frequency measuring apparatus |
US4395777A (en) * | 1980-01-12 | 1983-07-26 | Sony Corporation | Double superheterodyne receiver |
US4545072A (en) * | 1982-02-22 | 1985-10-01 | Motorola, Inc. | Method and apparatus for eliminating interference due to spurious signals generated in synthesized receivers |
US4575761A (en) * | 1983-04-28 | 1986-03-11 | Rca Corporation | AFT arrangement for a double conversion tuner |
US4512035A (en) * | 1983-05-16 | 1985-04-16 | Motorola, Inc. | Method of programming a synthesizer ROM for elimination of receiver self-quieting |
JPS6119261A (ja) * | 1984-07-05 | 1986-01-28 | Toshiba Corp | 周波数変換回路 |
US4817197A (en) * | 1986-07-18 | 1989-03-28 | Nippon Telegraph And Telephone Corporation | Mobile communication apparatus |
US4727591A (en) * | 1986-09-04 | 1988-02-23 | Arvin Industries, Inc. | Microprocessor controlled tuning system |
JPH0340333A (ja) * | 1989-07-05 | 1991-02-21 | Matsushita Electric Ind Co Ltd | チューナ選局装置 |
JPH07105822B2 (ja) * | 1989-08-10 | 1995-11-13 | 三菱電機株式会社 | 自動周波数制御装置 |
-
1991
- 1991-12-02 JP JP3344024A patent/JPH05152989A/ja active Pending
-
1992
- 1992-11-23 US US07/980,549 patent/US5361407A/en not_active Expired - Fee Related
- 1992-11-30 DE DE69226245T patent/DE69226245T2/de not_active Expired - Fee Related
- 1992-11-30 EP EP92120424A patent/EP0545342B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5361407A (en) | 1994-11-01 |
JPH05152989A (ja) | 1993-06-18 |
DE69226245T2 (de) | 1998-11-19 |
EP0545342B1 (de) | 1998-07-15 |
EP0545342A1 (de) | 1993-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |