ATE340432T1 - Niedrigzwischenfrequenzempfänger - Google Patents
NiedrigzwischenfrequenzempfängerInfo
- Publication number
- ATE340432T1 ATE340432T1 AT03293343T AT03293343T ATE340432T1 AT E340432 T1 ATE340432 T1 AT E340432T1 AT 03293343 T AT03293343 T AT 03293343T AT 03293343 T AT03293343 T AT 03293343T AT E340432 T1 ATE340432 T1 AT E340432T1
- Authority
- AT
- Austria
- Prior art keywords
- local oscillator
- frequency
- intermediate frequency
- low intermediate
- signal components
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
- H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
- H03D3/002—Modifications of demodulators to reduce interference by undesired signals
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0066—Mixing
- H03D2200/0078—Mixing using a switched phase shifter or delay line
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0082—Quadrature arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Burglar Alarm Systems (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03293343A EP1551099B1 (de) | 2003-12-29 | 2003-12-29 | Niedrigzwischenfrequenzempfänger |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE340432T1 true ATE340432T1 (de) | 2006-10-15 |
Family
ID=34560241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03293343T ATE340432T1 (de) | 2003-12-29 | 2003-12-29 | Niedrigzwischenfrequenzempfänger |
Country Status (9)
Country | Link |
---|---|
US (2) | US7697632B2 (de) |
EP (1) | EP1551099B1 (de) |
JP (1) | JP4602352B2 (de) |
KR (1) | KR20060108743A (de) |
CN (1) | CN100533949C (de) |
AT (1) | ATE340432T1 (de) |
DE (1) | DE60308539T2 (de) |
ES (1) | ES2272928T3 (de) |
WO (1) | WO2005064784A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7580692B2 (en) | 2006-05-16 | 2009-08-25 | Research In Motion Limited | Mobile wireless communications device having low-IF receiver circuitry that adapts to radio environment |
ES2314847T3 (es) * | 2006-05-16 | 2009-03-16 | Research In Motion Limited | Dispositivo movil de comunicaciones inalambricas que tiene circuitos receptores de baja if (frecuencia intermedia) que se adaptan al entorno de radio. |
JP4708298B2 (ja) * | 2006-10-03 | 2011-06-22 | 三菱電機株式会社 | 送受信回路 |
WO2008072171A1 (en) * | 2006-12-12 | 2008-06-19 | Nxp B.V. | Radio receiver |
US8385865B2 (en) * | 2008-08-12 | 2013-02-26 | Sony Mobile Communications Ab | Evolved EDGE receiver |
FI20086252A0 (fi) * | 2008-12-30 | 2008-12-30 | Nokia Corp | Radiovastaanotin |
US8233524B2 (en) * | 2009-03-12 | 2012-07-31 | Freescale Semiconductor, Inc. | Radio transmitter IQ imbalance measurement and correction methods and apparatus |
US8416895B2 (en) * | 2009-06-24 | 2013-04-09 | Broadcom Corporation | Apparatus and method for IQ imbalance calibration in a receiver |
US9608679B2 (en) * | 2012-11-07 | 2017-03-28 | Motorola Solutions, Inc. | Very low intermediate frequency (VLIF) receiver and a method of controlling a VLIF receiver |
US9831898B2 (en) * | 2013-03-13 | 2017-11-28 | Analog Devices Global | Radio frequency transmitter noise cancellation |
US9407313B2 (en) | 2014-07-31 | 2016-08-02 | Motorola Solutions, Inc. | Radio housing having through-hole connector for coupling accessories |
US9407490B2 (en) * | 2014-12-23 | 2016-08-02 | Intel Corporation | Method of processing received digitized signals and mobile radio communication terminal device |
CN106209127B (zh) * | 2015-04-29 | 2018-12-11 | 上海华虹集成电路有限责任公司 | 接收机中规避数字电路噪声的方法及低中频无线接收机 |
US9413402B1 (en) | 2015-06-25 | 2016-08-09 | Intel IP Corporation | Dynamic low IF injection side selection |
US11082079B2 (en) * | 2019-08-08 | 2021-08-03 | Anokiwave, Inc. | Spur mitigation in a heterodyne upconversion system |
KR20220045684A (ko) * | 2020-10-06 | 2022-04-13 | 에스케이하이닉스 주식회사 | 지그재그 모양의 와이어를 포함하는 반도체 패키지 |
GB2614727A (en) * | 2022-01-14 | 2023-07-19 | Hanwha Phasor Ltd | Shifting the frequency of a received signal |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5683139A (en) * | 1979-12-11 | 1981-07-07 | Sony Corp | Fm receiver |
US4959654A (en) * | 1987-04-20 | 1990-09-25 | Honeywell Inc. | Digitally generated two carrier phase coded signal source |
JPH09153882A (ja) * | 1995-09-25 | 1997-06-10 | Victor Co Of Japan Ltd | 直交周波数分割多重信号伝送方式、送信装置及び受信装置 |
FR2794311B1 (fr) * | 1999-05-27 | 2007-12-14 | France Telecom | Filtre passe-bande a reduction de la frequence porteuse |
DE69926611T2 (de) * | 1999-06-01 | 2006-06-14 | Motorola Inc | Multiplizierer für die Multiplikation von komplexen Signalen |
EP1058396B1 (de) * | 1999-06-01 | 2006-10-04 | Motorola, Inc. | Verfahren und Schaltung zum Empfang mit einer niedrigen Zwischenfrequenz |
US6728528B1 (en) * | 1999-06-28 | 2004-04-27 | Skyworks Solutions Inc. | Wireless communications device allowing a soft handoff procedure in a mobile communications system |
US6487219B1 (en) * | 1999-09-08 | 2002-11-26 | Skyworks Solutions, Inc. | Multi-band receiver having multi-slot capability |
FI19991977A (fi) * | 1999-09-16 | 2001-03-16 | Nokia Networks Oy | Menetelmä ja laite signaalin tuottamiseksi |
DE60026179T2 (de) * | 2000-01-19 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Fm rundfunkempfänger |
TW519792B (en) * | 2000-08-30 | 2003-02-01 | Cirrus Logic Inc | Circuits and methods for reducing interference from switched mode circuits |
US20020127982A1 (en) * | 2001-03-07 | 2002-09-12 | Nokia Mobile Phones Ltd | Mobile station receiver operable for both single and multi-carrier reception |
US6671500B2 (en) * | 2001-03-30 | 2003-12-30 | Skyworks Solutions, Inc. | Frequency plan |
JP4171869B2 (ja) * | 2001-09-05 | 2008-10-29 | ソニー株式会社 | ヘテロダイン受信機 |
US7136431B2 (en) * | 2002-10-24 | 2006-11-14 | Broadcom Corporation | DC offset correcting in a direct conversion or very low IF receiver |
US7277688B2 (en) * | 2003-06-17 | 2007-10-02 | Broadcom Corporation | DC offset correction for very low intermediate frequency receiver |
US7120413B2 (en) * | 2003-06-22 | 2006-10-10 | Realtek Semiconductor Corp. | Television tuner and method of processing a received RF signal |
-
2003
- 2003-12-29 ES ES03293343T patent/ES2272928T3/es not_active Expired - Lifetime
- 2003-12-29 AT AT03293343T patent/ATE340432T1/de not_active IP Right Cessation
- 2003-12-29 DE DE60308539T patent/DE60308539T2/de not_active Expired - Lifetime
- 2003-12-29 EP EP03293343A patent/EP1551099B1/de not_active Expired - Lifetime
-
2004
- 2004-12-22 WO PCT/EP2004/014913 patent/WO2005064784A1/en active Application Filing
- 2004-12-22 JP JP2006546137A patent/JP4602352B2/ja not_active Expired - Fee Related
- 2004-12-22 US US10/596,910 patent/US7697632B2/en not_active Expired - Fee Related
- 2004-12-22 KR KR1020067013108A patent/KR20060108743A/ko not_active Application Discontinuation
- 2004-12-22 CN CNB2004800392445A patent/CN100533949C/zh not_active Expired - Fee Related
-
2010
- 2010-02-15 US US12/705,836 patent/US8189717B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8189717B2 (en) | 2012-05-29 |
EP1551099B1 (de) | 2006-09-20 |
US20070165748A1 (en) | 2007-07-19 |
DE60308539D1 (de) | 2006-11-02 |
CN100533949C (zh) | 2009-08-26 |
EP1551099A1 (de) | 2005-07-06 |
DE60308539T2 (de) | 2007-01-04 |
WO2005064784A1 (en) | 2005-07-14 |
US20100144301A1 (en) | 2010-06-10 |
CN1902815A (zh) | 2007-01-24 |
JP4602352B2 (ja) | 2010-12-22 |
US7697632B2 (en) | 2010-04-13 |
JP2007522697A (ja) | 2007-08-09 |
KR20060108743A (ko) | 2006-10-18 |
ES2272928T3 (es) | 2007-05-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |