KR970008794B1 - Asymmetric polyphase filter - Google Patents
Asymmetric polyphase filter Download PDFInfo
- Publication number
- KR970008794B1 KR970008794B1 KR89007379A KR890007379A KR970008794B1 KR 970008794 B1 KR970008794 B1 KR 970008794B1 KR 89007379 A KR89007379 A KR 89007379A KR 890007379 A KR890007379 A KR 890007379A KR 970008794 B1 KR970008794 B1 KR 970008794B1
- Authority
- KR
- South Korea
- Prior art keywords
- filter
- terminal pair
- balanced
- filter sections
- phase
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
- H03H11/1243—Simulation of ladder networks
- H03H11/1247—Leapfrog structures
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H2011/0494—Complex filters
Landscapes
- Networks Using Active Elements (AREA)
- Filters And Equalizers (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8801412A NL8801412A (nl) | 1988-06-02 | 1988-06-02 | Asymmetrisch polyfase filter. |
Publications (1)
Publication Number | Publication Date |
---|---|
KR970008794B1 true KR970008794B1 (en) | 1997-05-29 |
Family
ID=19852391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR89007379A KR970008794B1 (en) | 1988-06-02 | 1989-05-31 | Asymmetric polyphase filter |
Country Status (8)
Country | Link |
---|---|
US (1) | US4914408A (ko) |
EP (1) | EP0344852B1 (ko) |
JP (1) | JP2988583B2 (ko) |
KR (1) | KR970008794B1 (ko) |
AT (1) | ATE92688T1 (ko) |
DE (1) | DE68908019T2 (ko) |
ES (1) | ES2044056T3 (ko) |
NL (1) | NL8801412A (ko) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990016120A1 (en) * | 1989-06-16 | 1990-12-27 | At&E Corporation | System with compact spectrum |
NL9001359A (nl) * | 1990-06-15 | 1992-01-02 | Philips Nv | Elektronische inrichting voor het ontvangen van een gemoduleerd draaggolfsignaal. |
EP0489949A1 (en) * | 1990-12-11 | 1992-06-17 | Kouichi Nagahisa | Tyres for motor vehicles |
EP0574083B1 (en) * | 1992-06-12 | 1997-09-03 | Koninklijke Philips Electronics N.V. | FM quadrature demodulator |
TW214027B (en) * | 1992-06-12 | 1993-10-01 | Philips Electronics Nv | FM quadrature demodulator |
TW228043B (ko) * | 1992-06-26 | 1994-08-11 | Philips Electronics Nv | |
GB9415120D0 (en) * | 1994-07-27 | 1994-09-14 | Philips Electronics Uk Ltd | Improvements in or relating to zero IF receivers |
TW269759B (en) * | 1994-09-30 | 1996-02-01 | Philips Electronics Nv | FM demodulator with threshold extension and receiver comprising such an FM demodulator |
US5995818A (en) * | 1996-07-30 | 1999-11-30 | Trw Inc. | Low noise block downconverter |
US5937341A (en) | 1996-09-13 | 1999-08-10 | University Of Washington | Simplified high frequency tuner and tuning method |
EP0909481B1 (en) * | 1997-04-07 | 2003-12-10 | Koninklijke Philips Electronics N.V. | Receiver and filter arrangement comprising polyphase filters |
KR100495867B1 (ko) * | 1997-04-07 | 2005-09-30 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 다위상필터를포함하는수신기및필터장치 |
DE19727869C1 (de) * | 1997-06-30 | 1998-12-10 | Siemens Ag | Polyphasenfilter mit einstellbarer Übertragungsfunktion |
CN1160869C (zh) * | 1997-09-25 | 2004-08-04 | 皇家菲利浦电子有限公司 | 一种改进的相位接收机 |
US6317016B1 (en) * | 1999-05-14 | 2001-11-13 | Koninklijke Philips Electronics | Method and arrangement for gyration filtering with low power consumption |
US7558556B1 (en) | 1999-10-21 | 2009-07-07 | Broadcom Corporation | Adaptive radio transceiver with subsampling mixers |
US7299006B1 (en) * | 1999-10-21 | 2007-11-20 | Broadcom Corporation | Adaptive radio transceiver |
US6961546B1 (en) | 1999-10-21 | 2005-11-01 | Broadcom Corporation | Adaptive radio transceiver with offset PLL with subsampling mixers |
US7113744B1 (en) * | 1999-10-21 | 2006-09-26 | Broadcom Corporation | Adaptive radio transceiver with a power amplifier |
US8014724B2 (en) | 1999-10-21 | 2011-09-06 | Broadcom Corporation | System and method for signal limiting |
US7548726B1 (en) | 1999-10-21 | 2009-06-16 | Broadcom Corporation | Adaptive radio transceiver with a bandpass filter |
US7555263B1 (en) * | 1999-10-21 | 2009-06-30 | Broadcom Corporation | Adaptive radio transceiver |
US6738601B1 (en) | 1999-10-21 | 2004-05-18 | Broadcom Corporation | Adaptive radio transceiver with floating MOSFET capacitors |
US6441682B1 (en) | 1999-11-23 | 2002-08-27 | Micro Linear Corporation | Active polyphase filter with transconductor cross-coupling of filter sections |
US6987816B1 (en) | 1999-11-23 | 2006-01-17 | Micro Linear Corporation | Iris data recovery algorithms |
US7076217B1 (en) | 1999-11-23 | 2006-07-11 | Micro Linear Corporation | Integrated radio transceiver |
US6445257B1 (en) | 1999-11-23 | 2002-09-03 | Micro Linear Corporation | Fuse-trimmed tank circuit for an integrated voltage-controlled oscillator |
US6985541B1 (en) | 1999-11-23 | 2006-01-10 | Micor Linear Corporation | FM demodulator for a low IF receiver |
AU1628401A (en) * | 1999-11-23 | 2001-06-04 | Micro Linear Corporation | An active polyphase filter with transconductor cross-coupling of filter sections |
US7027792B1 (en) | 1999-11-23 | 2006-04-11 | Micro Linear Corporation | Topology for a single ended input dual balanced mixer |
GB2357398B (en) * | 1999-12-16 | 2003-11-12 | Ericsson Telefon Ab L M | Telecommunications network |
US6198345B1 (en) * | 1999-12-21 | 2001-03-06 | Agilent Technologies, Inc. | Error reduction in quadrature polyphase filters with low open loop gain operational amplifiers |
NL1013951C2 (nl) | 1999-12-24 | 2001-07-02 | Ericsson Telefon Ab L M | Polyfase filter. |
WO2001069774A1 (en) | 2000-03-14 | 2001-09-20 | Koninklijke Philips Electronics N.V. | Resonator |
GB2361123A (en) * | 2000-04-04 | 2001-10-10 | Nokia Mobile Phones Ltd | Polyphase filters in silicon integrated circuit technology |
US20020127982A1 (en) * | 2001-03-07 | 2002-09-12 | Nokia Mobile Phones Ltd | Mobile station receiver operable for both single and multi-carrier reception |
KR100395213B1 (ko) * | 2001-03-22 | 2003-08-21 | 주식회사 버카나와이어리스코리아 | 직교 신호 발생기 및 직교 신호 위상 오류 보정 방법 |
US7098731B1 (en) | 2004-01-13 | 2006-08-29 | Wyszynski Adam S | Synthesis method for an active polyphase filter |
US7603098B2 (en) * | 2004-03-31 | 2009-10-13 | Broadcom Corporation | Programmable IF frequency filter for enabling a compromise between DC offset rejection and image rejection |
US7596195B2 (en) * | 2004-03-31 | 2009-09-29 | Broadcom Corporation | Bandpass filter with reversible IQ polarity to enable a high side or low side injection receiver architecture |
US7272375B2 (en) | 2004-06-30 | 2007-09-18 | Silicon Laboratories Inc. | Integrated low-IF terrestrial audio broadcast receiver and associated method |
US7196574B1 (en) | 2005-06-22 | 2007-03-27 | Vishinsky Adam S | Active polyphase ladder filters with transmission zeros and their synthesis method |
JP4871590B2 (ja) * | 2005-12-28 | 2012-02-08 | パナソニック株式会社 | トランスコンダクタを用いた積分器及びフィルタ回路 |
JP4757214B2 (ja) * | 2007-02-21 | 2011-08-24 | 富士通株式会社 | フィルタ回路 |
JP5275195B2 (ja) | 2009-09-29 | 2013-08-28 | パナソニック株式会社 | 複素2次積分器およびそれを備えたオーバーサンプリングa/d変換器 |
US8412141B2 (en) * | 2009-10-19 | 2013-04-02 | Qualcomm Incorporated | LR polyphase filter |
DE102011005349B4 (de) * | 2011-03-10 | 2016-12-15 | Siemens Healthcare Gmbh | Anordnung zur Verarbeitung eines unsymmetrischen und eines symmetrischen Signals, sowie Antenneneinrichtung |
DE102018109128B3 (de) | 2018-04-17 | 2019-10-02 | Infineon Technologies Ag | Radarempfänger und Verfahren zum Empfangen eines Radarsignals |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2168868A (en) * | 1984-12-19 | 1986-06-25 | Philips Electronic Associated | Polyphase filters |
GB2168864A (en) * | 1984-12-19 | 1986-06-25 | Philips Electronic Associated | Radio receiver/transmitter filters |
-
1988
- 1988-06-02 NL NL8801412A patent/NL8801412A/nl not_active Application Discontinuation
-
1989
- 1989-04-24 US US07/342,417 patent/US4914408A/en not_active Expired - Lifetime
- 1989-05-29 DE DE89201360T patent/DE68908019T2/de not_active Expired - Fee Related
- 1989-05-29 AT AT89201360T patent/ATE92688T1/de active
- 1989-05-29 EP EP89201360A patent/EP0344852B1/en not_active Expired - Lifetime
- 1989-05-29 ES ES89201360T patent/ES2044056T3/es not_active Expired - Lifetime
- 1989-05-30 JP JP1137342A patent/JP2988583B2/ja not_active Expired - Fee Related
- 1989-05-31 KR KR89007379A patent/KR970008794B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ATE92688T1 (de) | 1993-08-15 |
JPH0226406A (ja) | 1990-01-29 |
DE68908019D1 (de) | 1993-09-09 |
NL8801412A (nl) | 1990-01-02 |
JP2988583B2 (ja) | 1999-12-13 |
US4914408A (en) | 1990-04-03 |
EP0344852A1 (en) | 1989-12-06 |
EP0344852B1 (en) | 1993-08-04 |
DE68908019T2 (de) | 1994-03-17 |
ES2044056T3 (es) | 1994-01-01 |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
NORF | Unpaid initial registration fee |