ATE453962T1 - Sender/empfänger-architektur mit verringerter vco-pull-empfindlichkeit - Google Patents
Sender/empfänger-architektur mit verringerter vco-pull-empfindlichkeitInfo
- Publication number
- ATE453962T1 ATE453962T1 AT04763145T AT04763145T ATE453962T1 AT E453962 T1 ATE453962 T1 AT E453962T1 AT 04763145 T AT04763145 T AT 04763145T AT 04763145 T AT04763145 T AT 04763145T AT E453962 T1 ATE453962 T1 AT E453962T1
- Authority
- AT
- Austria
- Prior art keywords
- mrow
- signal
- radio frequency
- phase
- output signal
- Prior art date
Links
- 230000035945 sensitivity Effects 0.000 title 1
- 230000005540 biological transmission Effects 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
- H03K23/68—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a base which is a non-integer
-
- 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
-
- 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
- H04B1/30—Circuits for homodyne or synchrodyne receivers
-
- 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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
-
- 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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
- Transceivers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48725903P | 2003-07-16 | 2003-07-16 | |
US10/884,970 US7480343B2 (en) | 2003-07-16 | 2004-07-07 | Transceiver architecture with reduced VCO-pulling sensitivity |
PCT/EP2004/007558 WO2005015759A1 (en) | 2003-07-16 | 2004-07-09 | Transceiver architecture with reduced vco-pulling sensitivity |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE453962T1 true ATE453962T1 (de) | 2010-01-15 |
Family
ID=34138632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04763145T ATE453962T1 (de) | 2003-07-16 | 2004-07-09 | Sender/empfänger-architektur mit verringerter vco-pull-empfindlichkeit |
Country Status (5)
Country | Link |
---|---|
US (1) | US7480343B2 (de) |
EP (1) | EP1647097B1 (de) |
AT (1) | ATE453962T1 (de) |
DE (1) | DE602004024891D1 (de) |
WO (1) | WO2005015759A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7593695B2 (en) * | 2005-03-15 | 2009-09-22 | Broadcom Corporation | RF transceiver incorporating dual-use PLL frequency synthesizer |
US7301404B2 (en) * | 2005-07-21 | 2007-11-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for transceiver frequency synthesis |
US7409192B2 (en) * | 2005-07-21 | 2008-08-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for frequency synthesis in direct-conversion transmitters |
GB2456648B (en) | 2008-01-28 | 2012-04-11 | Cambridge Silicon Radio Ltd | Local oscillator circuit for a signal transmitter or receiver |
US20090286490A1 (en) * | 2008-05-19 | 2009-11-19 | Yuan-Hung Chung | Oscillator circuit, transceiver, and method for generating oscillatory signal |
US8044734B2 (en) * | 2008-08-01 | 2011-10-25 | Qualcomm Incorporated | Method and apparatus for mitigating VCO pulling |
US9282274B2 (en) | 2009-06-22 | 2016-03-08 | Entropic Communications, Llc | System and method for reducing intra-channel interference |
US8681838B2 (en) * | 2011-03-21 | 2014-03-25 | Blackberry Limited | Electronic device with VCO pulling compensation circuit for an input baseband signal and associated methods |
US8639206B1 (en) * | 2012-10-05 | 2014-01-28 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for quadrature mixer circuits |
CN103901273B (zh) * | 2012-12-28 | 2017-12-22 | 白晓民 | 电网谐波检测方法和电网谐波检测装置 |
US8890625B2 (en) | 2013-01-03 | 2014-11-18 | Qualcomm Incorporated | Systems and methods for frequency synthesis to improve coexistence |
JP6025082B2 (ja) * | 2013-03-28 | 2016-11-16 | 国立大学法人金沢大学 | 信号検出回路及び走査型プローブ顕微鏡 |
JP2015043536A (ja) * | 2013-08-26 | 2015-03-05 | 株式会社東芝 | 分数分周回路及び送信機 |
US11552644B2 (en) * | 2020-01-19 | 2023-01-10 | Ixi Technology Holdings, Inc. | Fast frequency hopping of modulated signals |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4313209A (en) * | 1980-07-14 | 1982-01-26 | John Fluke Mfg. Co., Inc. | Phase-locked loop frequency synthesizer including compensated phase and frequency modulation |
GB2215945A (en) | 1988-03-26 | 1989-09-27 | Stc Plc | Digital direct conversion radio |
US5095536A (en) * | 1990-03-23 | 1992-03-10 | Rockwell International Corporation | Direct conversion receiver with tri-phase architecture |
US5239686A (en) * | 1991-04-29 | 1993-08-24 | Echelon Corporation | Transceiver with rapid mode switching capability |
JPH06291790A (ja) | 1993-04-05 | 1994-10-18 | Matsushita Electric Ind Co Ltd | π/4シフトQPSK変調器 |
SE502599C2 (sv) | 1993-09-09 | 1995-11-20 | Ericsson Ge Mobile Communicat | Sätt och anordning vid en homodynmottagare för att minimera läckage av störsignaler |
DE69834875T2 (de) * | 1997-03-12 | 2007-01-11 | Koninklijke Philips Electronics N.V. | Frequenzumsetzungsschaltung |
US5821816A (en) * | 1997-06-12 | 1998-10-13 | Hewlett-Packard Company | Integer division variable frequency synthesis apparatus and method |
US6542722B1 (en) * | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US6321074B1 (en) * | 1999-02-18 | 2001-11-20 | Itron, Inc. | Apparatus and method for reducing oscillator frequency pulling during AM modulation |
TW508901B (en) * | 2000-02-02 | 2002-11-01 | Interdigital Tech Corp | Direct-conversion modulation with reduced local oscillator leakage |
FR2814606A1 (fr) * | 2000-09-25 | 2002-03-29 | Koninkl Philips Electronics Nv | Source de signal a filtre polyphase |
DE60125299T2 (de) * | 2000-09-29 | 2007-10-04 | Koninklijke Philips Electronics N.V. | Frequenzsynthesizer und Verfahren zur Frequenzsynthese mit geringem Rauschen |
US6850749B2 (en) * | 2001-05-30 | 2005-02-01 | Rf Micro Devices, Inc. | Local oscillator architecture to reduce transmitter pulling effect and minimize unwanted sideband |
EP1271792A1 (de) | 2001-06-25 | 2003-01-02 | Motorola, Inc. | Streufeldarmes Lokaloszillator-System |
US6845139B2 (en) * | 2002-08-23 | 2005-01-18 | Dsp Group, Inc. | Co-prime division prescaler and frequency synthesizer |
-
2004
- 2004-07-07 US US10/884,970 patent/US7480343B2/en active Active
- 2004-07-09 EP EP04763145A patent/EP1647097B1/de not_active Expired - Lifetime
- 2004-07-09 AT AT04763145T patent/ATE453962T1/de not_active IP Right Cessation
- 2004-07-09 DE DE602004024891T patent/DE602004024891D1/de not_active Expired - Fee Related
- 2004-07-09 WO PCT/EP2004/007558 patent/WO2005015759A1/en active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
EP1647097A1 (de) | 2006-04-19 |
US20050036566A1 (en) | 2005-02-17 |
WO2005015759A1 (en) | 2005-02-17 |
US7480343B2 (en) | 2009-01-20 |
DE602004024891D1 (de) | 2010-02-11 |
EP1647097B1 (de) | 2009-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |