DE68921161D1 - Programmierbares digitales Filter. - Google Patents
Programmierbares digitales Filter.Info
- Publication number
- DE68921161D1 DE68921161D1 DE68921161T DE68921161T DE68921161D1 DE 68921161 D1 DE68921161 D1 DE 68921161D1 DE 68921161 T DE68921161 T DE 68921161T DE 68921161 T DE68921161 T DE 68921161T DE 68921161 D1 DE68921161 D1 DE 68921161D1
- Authority
- DE
- Germany
- Prior art keywords
- digital filter
- programmable digital
- programmable
- filter
- digital
- 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
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
- H03H17/0607—Non-recursive filters comprising a ROM addressed by the input data signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0294—Variable filters; Programmable filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
- H03H2017/0692—Transposed
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8822890A IT1227520B (it) | 1988-12-06 | 1988-12-06 | Filtro digitale programmabile |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68921161D1 true DE68921161D1 (de) | 1995-03-23 |
DE68921161T2 DE68921161T2 (de) | 1995-10-12 |
Family
ID=11201590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68921161T Expired - Fee Related DE68921161T2 (de) | 1988-12-06 | 1989-11-27 | Programmierbares digitales Filter. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5103416A (de) |
EP (1) | EP0372350B1 (de) |
JP (1) | JPH02189016A (de) |
DE (1) | DE68921161T2 (de) |
IT (1) | IT1227520B (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE37440E1 (en) * | 1988-07-22 | 2001-11-06 | Stmicroelectronics S.R.L. | Memory for programmable digital filter |
JP3177978B2 (ja) * | 1990-07-18 | 2001-06-18 | カシオ計算機株式会社 | デジタルフィルタの係数設定方法 |
JP2953052B2 (ja) * | 1990-11-30 | 1999-09-27 | ソニー株式会社 | デジタル映像信号処理装置 |
JPH04270510A (ja) * | 1990-12-28 | 1992-09-25 | Advantest Corp | ディジタルフィルタ及び送信機 |
DE4224842A1 (de) * | 1992-07-28 | 1994-02-03 | Sel Alcatel Ag | Filtervorrichtung für ein Mehrfachfilter |
US5586068A (en) * | 1993-12-08 | 1996-12-17 | Terayon Corporation | Adaptive electronic filter |
US6885652B1 (en) | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US6697350B2 (en) | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
US7020111B2 (en) | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US6487190B1 (en) | 1996-06-27 | 2002-11-26 | Interdigital Technology Corporation | Efficient multichannel filtering for CDMA modems |
ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US7929498B2 (en) | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
FR2785747B1 (fr) * | 1998-11-09 | 2004-02-13 | Commissariat Energie Atomique | Filtre numerique a architecture parallele et recepteur de signaux a etalement de spectre utilisant un tel filtre |
US6944217B1 (en) * | 2000-02-01 | 2005-09-13 | International Business Machines Corporation | Interleaved finite impulse response filter |
GB2359950B (en) * | 2000-02-29 | 2004-06-30 | Ericsson Telefon Ab L M | Signal filtering |
US6401106B1 (en) | 2000-08-07 | 2002-06-04 | Systems On Silicon, Inc. | Methods and apparatus for performing correlation operations |
US6754805B1 (en) | 2000-08-07 | 2004-06-22 | Transwitch Corporation | Method and apparatus for configurable multi-cell digital signal processing employing global parallel configuration |
KR100414399B1 (ko) * | 2001-08-09 | 2004-01-07 | 장영범 | 블록필터 구조를 사용하여 구현된 소비 전력이 적으며유연성이 뛰어난 필터뱅크 |
FR2849330A1 (fr) * | 2002-12-18 | 2004-06-25 | Koninkl Philips Electronics Nv | Convertisseur numerique de frequence d'echantillonnage |
US8938483B1 (en) * | 2011-07-20 | 2015-01-20 | Xilinx, Inc. | Filter parallelization for high data throughput |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2118410A5 (de) * | 1970-12-17 | 1972-07-28 | Ibm France | |
GB2003690A (en) * | 1977-08-05 | 1979-03-14 | Univ Surrey | Digital processing |
FR2489554B1 (fr) * | 1980-08-27 | 1986-10-31 | Petit Jean | Circuit de traitement numerique en arithmetique distribuee utilisant des multiplexeurs a l'entree d'une memoire |
US4423488A (en) * | 1981-01-09 | 1983-12-27 | Harris Corporation | Digital filter employing PROM for storing positive and negative impulse response values |
FR2557746B1 (fr) * | 1983-12-30 | 1986-04-11 | Thomson Csf | Filtre numerique a bande passante et phase variables |
JPS6165616A (ja) * | 1984-09-07 | 1986-04-04 | Nippon Hoso Kyokai <Nhk> | 対称形firディジタルフィルタ |
JPS6190514A (ja) * | 1984-10-11 | 1986-05-08 | Nippon Gakki Seizo Kk | 楽音信号処理装置 |
JPS6196817A (ja) * | 1984-10-17 | 1986-05-15 | Sharp Corp | フイルタ− |
JPS61186012A (ja) * | 1985-02-13 | 1986-08-19 | Sony Corp | 伝送装置の波形整形回路 |
US4811262A (en) * | 1986-09-19 | 1989-03-07 | Rockwell International Corporation | Distributed arithmetic realization of second-order normal-form digital filter |
-
1988
- 1988-12-06 IT IT8822890A patent/IT1227520B/it active
-
1989
- 1989-11-21 US US07/439,792 patent/US5103416A/en not_active Expired - Fee Related
- 1989-11-27 DE DE68921161T patent/DE68921161T2/de not_active Expired - Fee Related
- 1989-11-27 EP EP89121867A patent/EP0372350B1/de not_active Expired - Lifetime
- 1989-12-05 JP JP1316344A patent/JPH02189016A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE68921161T2 (de) | 1995-10-12 |
US5103416A (en) | 1992-04-07 |
EP0372350A2 (de) | 1990-06-13 |
JPH02189016A (ja) | 1990-07-25 |
IT1227520B (it) | 1991-04-12 |
IT8822890A0 (it) | 1988-12-06 |
EP0372350B1 (de) | 1995-02-15 |
EP0372350A3 (de) | 1991-01-23 |
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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 |