DE10115235A1 - Bildunterdrückungsmischstufe - Google Patents
BildunterdrückungsmischstufeInfo
- Publication number
- DE10115235A1 DE10115235A1 DE10115235A DE10115235A DE10115235A1 DE 10115235 A1 DE10115235 A1 DE 10115235A1 DE 10115235 A DE10115235 A DE 10115235A DE 10115235 A DE10115235 A DE 10115235A DE 10115235 A1 DE10115235 A1 DE 10115235A1
- Authority
- DE
- Germany
- Prior art keywords
- signals
- phase
- current
- image suppression
- image
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- 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
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- 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
- H03D7/14—Balanced arrangements
- H03D7/1425—Balanced arrangements with transistors
- H03D7/1433—Balanced arrangements with transistors using bipolar transistors
-
- 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
- H03D7/14—Balanced arrangements
- H03D7/1425—Balanced arrangements with transistors
- H03D7/1458—Double balanced arrangements, i.e. where both input signals are differential
-
- 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
- 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
- H03D7/18—Modifications of frequency-changers for eliminating image frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Superheterodyne Receivers (AREA)
- Networks Using Active Elements (AREA)
Abstract
Description
C2R2 = (1 + sinα)/2πfcosα
L2/R2 = (1 - sinα)/2πfcosα,
Claims (9)
Verteilungsmitteln, die mit lokalen Signalen gespeist werden, welche eine Phasendifferenz aufweisen, um die loka len Signale zu verteilen;
ersten und zweiten Mischeinrichtungen zum Mischen der verteilten lokalen Signale und RF-Signale, die eine Phasen differenz gegenüber diesen verteilten lokalen Signalen ha ben, und zum Ausgeben der entsprechenden ZF-Stromsignale;
ersten und zweiten Phasenschiebermitteln zum Erzeugen einer Phasendifferenz von 90° zwischen den jeweiligen ZF- Stromsignalen; und
Additionsmitteln zum Addieren der phasenverschobenen jeweiligen ZF-Stromsignale,
wobei die Bildsignale aus den jeweiligen RF-Signalen entfernt werden.
eine erste Impedanz zwischen der ersten Mischvorrich tung und den ersten Phasenschiebermitteln; und
eine zweite Impedanz zwischen der zweiten Mischvor richtung und den zweiten Phasenschiebermitteln.
Empfangsmitteln zum Empfangen von RF-Frequenzsignalen mit einer Phasendifferenz; und
einer Bildunterdrückungsmischstufe mit:
Verteilermitteln, die mit lokalen Signalen gespeist werden, die eine Phasendifferenz aufweisen, um die lokalen Signale zu verteilen;
ersten und zweiten Mischeinrichtungen zum Mischen der verteilten lokalen Signale und der RF-Signale, die eine an dere Phase als jene der verteilten lokalen Signale haben, und zum Ausgeben der entsprechenden ZF-Stromsignale;
ersten und zweiten Phasenschiebermitteln zum Erzeugen einer Phasendifferenz zwischen den jeweiligen ZF-Stromsi gnalen; und
Additionsmitteln zum Addieren der phasenverschobenen jeweiligen ZF-Stromsignale,
wobei die Bildsignale durch die Bildunterdrückungs mischstufe aus den jeweiligen RF-Signalen, die von den Emp fangsmitteln empfangen worden sind, entfernt werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-095050 | 2000-03-30 | ||
JP2000095050A JP3510556B2 (ja) | 2000-03-30 | 2000-03-30 | イメージリジェクションミキサ及びそれを用いた受信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10115235A1 true DE10115235A1 (de) | 2001-12-13 |
DE10115235B4 DE10115235B4 (de) | 2006-09-07 |
Family
ID=18610002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10115235A Expired - Fee Related DE10115235B4 (de) | 2000-03-30 | 2001-03-28 | Bildunterdrückungsmischstufe |
Country Status (4)
Country | Link |
---|---|
US (1) | US6999746B2 (de) |
JP (1) | JP3510556B2 (de) |
KR (1) | KR100387249B1 (de) |
DE (1) | DE10115235B4 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7333791B2 (en) * | 2001-12-11 | 2008-02-19 | Microtune (Texas), L.P. | Use of an image reject mixer in a forward data channel tuner |
US6865382B2 (en) * | 2002-01-07 | 2005-03-08 | Broadcom Corp. | Mixer having low noise, controllable gain, and/or low supply voltage operation |
JP4009827B2 (ja) | 2002-03-20 | 2007-11-21 | 日本電気株式会社 | 信号処理装置 |
US6891423B2 (en) * | 2002-04-04 | 2005-05-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Quadrature switching mixer with reduced leakage |
US7054609B2 (en) * | 2002-04-04 | 2006-05-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Linearity improvement of Gilbert mixers |
US7672659B2 (en) * | 2002-04-04 | 2010-03-02 | Telefonaktiebolaget L M Ericsson (Publ) | Mixer with feedback |
JP3586260B2 (ja) * | 2002-04-10 | 2004-11-10 | 株式会社東芝 | 半導体集積回路装置 |
US7509111B2 (en) * | 2002-04-30 | 2009-03-24 | Infineon Technologies Ag | Integrated circuit having a mixer circuit |
US7266357B2 (en) * | 2003-05-12 | 2007-09-04 | Broadcom Corporation | Reduced local oscillator feedthrough quadrature image reject mixer |
KR100519876B1 (ko) * | 2004-01-30 | 2005-10-10 | 삼성전자주식회사 | 2차 혼변조 왜곡을 제거하기 위한 직접 변환용 믹서 회로및 이를 이용한 직접 변환 송수신기 |
US7558351B2 (en) * | 2004-02-10 | 2009-07-07 | Wionics Research | Super harmonic filter and method of filtering frequency components from a signal |
US20050175130A1 (en) * | 2004-02-10 | 2005-08-11 | Tony Yang | Current mode image rejection mixer and method thereof |
US20050244768A1 (en) * | 2004-04-28 | 2005-11-03 | Eldad Taub | Device and method for applying an abutment force between dental appliance and teeth |
US7383034B2 (en) * | 2004-05-28 | 2008-06-03 | Matsushita Electric Industrial Co., Ltd. | Frequency conversion circuit, modulation circuit, polar modulation transmitting circuit, quadrature modulation transmitting circuit, communication instrument, and frequency conversion method |
US7254379B2 (en) * | 2004-07-09 | 2007-08-07 | Silicon Storage Technology, Inc. | RF receiver mismatch calibration system and method |
US20060205375A1 (en) * | 2005-03-11 | 2006-09-14 | Nokia Corporation | Measurement circuit and method for measuring the level of an RF signal, and a transmitter including a measurement circuit |
US7333790B2 (en) * | 2005-04-08 | 2008-02-19 | Broadcom Corporation | Method and apparatus for generating arbitrary phase shift using a phase shifter based on adding two perpendicular vectors with variable gains |
WO2008018034A2 (en) * | 2006-08-10 | 2008-02-14 | Nxp B.V. | Dual gilbert cell mixer with offset cancellation |
FR2916588A1 (fr) * | 2007-05-25 | 2008-11-28 | Thales Sa | Melangeur bidirectionnel de frequences, systeme emetteur/ recepteur radiofrequences comportant au moins un tel melangeur. |
US8138817B2 (en) * | 2007-10-29 | 2012-03-20 | Nxp B.V. | Passive harmonic-rejection mixer |
JP5202198B2 (ja) * | 2008-09-10 | 2013-06-05 | 株式会社アドバンテスト | イメージ除去装置 |
US8331896B2 (en) * | 2009-07-10 | 2012-12-11 | Theta S.A. | Method of operation of a passive high-frequency image reject mixer |
CN102484451A (zh) * | 2009-07-10 | 2012-05-30 | 希特公司 | 无源高频镜像抑制混频器的操作方法 |
US8275338B2 (en) * | 2009-07-10 | 2012-09-25 | Theta S.A. | Passive high frequency image reject mixer |
US9001947B2 (en) * | 2012-01-10 | 2015-04-07 | Telefonaktiebolaget L M Ericsson (Publ) | Linearization of multi-antenna receivers with RF pre-distortion |
EP3800788A1 (de) * | 2014-06-11 | 2021-04-07 | Catena Holding bv | Verfahren zur verwendung eines präzise einstellbaren hochfrequenz-phasendetektors zur phaseneinstellung zwischen zwei differentiellen eingangsspannungssignalen |
JP6299637B2 (ja) * | 2015-03-19 | 2018-03-28 | 三菱電機株式会社 | 高周波ミクサ |
CN107124154B (zh) * | 2017-03-30 | 2021-09-17 | 复旦大学 | 一种宽带高精度有源移相器 |
WO2019171506A1 (ja) * | 2018-03-07 | 2019-09-12 | 三菱電機株式会社 | イメージリジェクションミクサ及び通信回路 |
TWI686054B (zh) * | 2019-07-04 | 2020-02-21 | 國立暨南國際大學 | 降頻混頻器 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6115426A (ja) * | 1984-06-29 | 1986-01-23 | Matsushita Electric Ind Co Ltd | ミキサ装置 |
JPS62278813A (ja) | 1986-05-27 | 1987-12-03 | Clarion Co Ltd | 移相器 |
GB2239143B (en) * | 1989-12-16 | 1993-06-16 | Stc Plc | Cross-coupled mixer stage for zero if radio |
GB9017418D0 (en) * | 1990-08-08 | 1990-09-19 | Gen Electric Co Plc | Half frequency mixer |
JPH04119019A (ja) * | 1990-09-07 | 1992-04-20 | Fujitsu Ltd | 携帯型受信機 |
JP3042184B2 (ja) | 1991-08-29 | 2000-05-15 | 松下電器産業株式会社 | イメージリジェクションミキサ |
US5339462A (en) * | 1991-11-04 | 1994-08-16 | Motorola, Inc. | Broadband mixer circuit and method |
JPH06204752A (ja) | 1992-12-28 | 1994-07-22 | Nec Ic Microcomput Syst Ltd | 周波数変換回路 |
JPH06350474A (ja) * | 1993-06-03 | 1994-12-22 | Toshiba Corp | Fm信号処理回路 |
JP3346915B2 (ja) * | 1994-10-31 | 2002-11-18 | 株式会社東芝 | ミキサー回路 |
JPH09153741A (ja) * | 1995-09-13 | 1997-06-10 | Fujitsu Ltd | 変調器、間接変調型変調器、及び周波数逓倍器 |
GB9626229D0 (en) | 1996-12-18 | 1997-02-05 | Plessey Semiconductors Ltd | Image-reject mixer arrangements |
GB2321352B (en) * | 1997-01-11 | 2001-04-04 | Plessey Semiconductors Ltd | Image reject mixer |
GB2325102B (en) * | 1997-05-09 | 2001-10-10 | Nokia Mobile Phones Ltd | Down conversion mixer |
US6029059A (en) * | 1997-06-30 | 2000-02-22 | Lucent Technologies, Inc. | Quadrature mixer method and apparatus |
GB2331193B (en) * | 1997-11-07 | 2001-07-11 | Plessey Semiconductors Ltd | Image reject mixer arrangements |
JP4072652B2 (ja) | 1998-03-06 | 2008-04-09 | ソニー株式会社 | 移相器、電圧制御型発振回路、復調回路及び信号処理装置 |
US6226509B1 (en) * | 1998-09-15 | 2001-05-01 | Nortel Networks Limited | Image reject mixer, circuit, and method for image rejection |
EP1024590A1 (de) * | 1999-01-29 | 2000-08-02 | Lucent Technologies Inc. | Frequenzumsetzungsschaltung |
US6687494B1 (en) * | 2000-06-30 | 2004-02-03 | International Business Machines Corporation | Low power radio telephone image reject mixer |
-
2000
- 2000-03-30 JP JP2000095050A patent/JP3510556B2/ja not_active Expired - Fee Related
-
2001
- 2001-03-02 KR KR10-2001-0010822A patent/KR100387249B1/ko not_active IP Right Cessation
- 2001-03-28 DE DE10115235A patent/DE10115235B4/de not_active Expired - Fee Related
- 2001-03-29 US US09/821,002 patent/US6999746B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20010094949A (ko) | 2001-11-03 |
US6999746B2 (en) | 2006-02-14 |
JP2001284968A (ja) | 2001-10-12 |
KR100387249B1 (ko) | 2003-06-12 |
US20010027095A1 (en) | 2001-10-04 |
JP3510556B2 (ja) | 2004-03-29 |
DE10115235B4 (de) | 2006-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: NEC COMPOUND SEMICONDUCTOR DEVICES, LTD., KAWASAKI |
|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP |
|
R082 | Change of representative |
Representative=s name: GLAWE DELFS MOLL - PARTNERSCHAFT VON PATENT- U, DE |
|
R081 | Change of applicant/patentee |
Owner name: RENESAS ELECTRONICS CORPORATION, KAWASAKI-SHI, JP Free format text: FORMER OWNER: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP Effective date: 20120828 Owner name: RENESAS ELECTRONICS CORPORATION, JP Free format text: FORMER OWNER: NEC ELECTRONICS CORP., KAWASAKI, JP Effective date: 20120828 |
|
R082 | Change of representative |
Representative=s name: GLAWE DELFS MOLL PARTNERSCHAFT MBB VON PATENT-, DE Effective date: 20120828 Representative=s name: GLAWE DELFS MOLL - PARTNERSCHAFT VON PATENT- U, DE Effective date: 20120828 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20141001 |