DE19727869C1 - Polyphasenfilter mit einstellbarer Übertragungsfunktion - Google Patents
Polyphasenfilter mit einstellbarer ÜbertragungsfunktionInfo
- Publication number
- DE19727869C1 DE19727869C1 DE1997127869 DE19727869A DE19727869C1 DE 19727869 C1 DE19727869 C1 DE 19727869C1 DE 1997127869 DE1997127869 DE 1997127869 DE 19727869 A DE19727869 A DE 19727869A DE 19727869 C1 DE19727869 C1 DE 19727869C1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- polyphase filter
- polyphase
- transfer function
- amplifiers
- 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
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/16—Networks for phase shifting
- H03H11/22—Networks for phase shifting providing two or more phase shifted output signals, e.g. n-phase output
-
- 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)
Description
Claims (2)
bei dem ein Polyphasenfilter vorgesehen ist,
bei dem ein erster Satz einstellbarer Verstärker (VVA1, VVA2) vorgesehen ist, welche den Eingängen des Polyphasenfilters vorgeschaltet sind,
bei dem ein zweiter Satz einstellbarer Verstärker (VVB1, VVB2) vorgesehen ist, welche in den Koppelpfaden des Polypha senfilters angeordnet sind,
bei dem mittels der Verstärkung der einstellbaren Verstärker (VVA1, VVA2, VVB1, VVB2) die Übertragungsfunktion des Polyphasenfilters eingestellt wird.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997127869 DE19727869C1 (de) | 1997-06-30 | 1997-06-30 | Polyphasenfilter mit einstellbarer Übertragungsfunktion |
FR9807995A FR2765418B1 (fr) | 1997-06-30 | 1998-06-24 | Filtre polyphase ayant une fonction de transfert reglable |
GB9813641A GB2326994B (en) | 1997-06-30 | 1998-06-24 | Polyphase filter with adjustable transfer function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997127869 DE19727869C1 (de) | 1997-06-30 | 1997-06-30 | Polyphasenfilter mit einstellbarer Übertragungsfunktion |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19727869C1 true DE19727869C1 (de) | 1998-12-10 |
Family
ID=7834171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997127869 Expired - Fee Related DE19727869C1 (de) | 1997-06-30 | 1997-06-30 | Polyphasenfilter mit einstellbarer Übertragungsfunktion |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE19727869C1 (de) |
FR (1) | FR2765418B1 (de) |
GB (1) | GB2326994B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004022324A1 (de) * | 2004-05-06 | 2005-12-01 | Infineon Technologies Ag | Signalaufbereitungsschaltung, insbesondere für eine Empfängeranordnung für den Mobilfunk |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2364189A (en) * | 2000-06-30 | 2002-01-16 | Motorola Inc | Complex filter arrangement and element therefor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0185417A2 (de) * | 1984-12-19 | 1986-06-25 | Philips Electronics Uk Limited | Vielphasiger aktiver Filter |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4811422A (en) * | 1986-12-22 | 1989-03-07 | Kahn Leonard R | Reduction of undesired harmonic components |
NL8801412A (nl) * | 1988-06-02 | 1990-01-02 | Philips Nv | Asymmetrisch polyfase filter. |
US5247474A (en) * | 1991-04-18 | 1993-09-21 | Fujitsu Ten Limited | Coefficients setting method of a reverberation unit |
-
1997
- 1997-06-30 DE DE1997127869 patent/DE19727869C1/de not_active Expired - Fee Related
-
1998
- 1998-06-24 FR FR9807995A patent/FR2765418B1/fr not_active Expired - Fee Related
- 1998-06-24 GB GB9813641A patent/GB2326994B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0185417A2 (de) * | 1984-12-19 | 1986-06-25 | Philips Electronics Uk Limited | Vielphasiger aktiver Filter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004022324A1 (de) * | 2004-05-06 | 2005-12-01 | Infineon Technologies Ag | Signalaufbereitungsschaltung, insbesondere für eine Empfängeranordnung für den Mobilfunk |
Also Published As
Publication number | Publication date |
---|---|
FR2765418B1 (fr) | 2001-10-05 |
GB9813641D0 (en) | 1998-08-26 |
FR2765418A1 (fr) | 1998-12-31 |
GB2326994B (en) | 2001-08-22 |
GB2326994A (en) | 1999-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of the examined application without publication of unexamined application | ||
D1 | Grant (no unexamined application published) patent law 81 | ||
8364 | No opposition during term of opposition | ||
R081 | Change of applicant/patentee |
Owner name: INTEL MOBILE COMMUNICATIONS TECHNOLOGY GMBH, DE Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE Effective date: 20111107 Owner name: INTEL MOBILE COMMUNICATIONS GMBH, DE Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE Effective date: 20111107 Owner name: INTEL DEUTSCHLAND GMBH, DE Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE Effective date: 20111107 |
|
R081 | Change of applicant/patentee |
Owner name: INTEL MOBILE COMMUNICATIONS GMBH, DE Free format text: FORMER OWNER: INTEL MOBILE COMMUNICATIONS GMBH, 85579 NEUBIBERG, DE Effective date: 20130315 Owner name: INTEL MOBILE COMMUNICATIONS GMBH, DE Free format text: FORMER OWNER: INTEL MOBILE COMMUNICATIONS TECHNOLOGY GMBH, 85579 NEUBIBERG, DE Effective date: 20130326 Owner name: INTEL MOBILE COMMUNICATIONS GMBH, DE Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG, 85579 NEUBIBERG, DE Effective date: 20130315 Owner name: INTEL MOBILE COMMUNICATIONS GMBH, DE Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG, 85579 NEUBIBERG, DE Effective date: 20130314 Owner name: INTEL DEUTSCHLAND GMBH, DE Free format text: FORMER OWNER: INTEL MOBILE COMMUNICATIONS GMBH, 85579 NEUBIBERG, DE Effective date: 20130315 Owner name: INTEL DEUTSCHLAND GMBH, DE Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG, 85579 NEUBIBERG, DE Effective date: 20130315 Owner name: INTEL DEUTSCHLAND GMBH, DE Free format text: FORMER OWNER: INTEL MOBILE COMMUNICATIONS TECHNOLOGY GMBH, 85579 NEUBIBERG, DE Effective date: 20130326 Owner name: INTEL DEUTSCHLAND GMBH, DE Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG, 85579 NEUBIBERG, DE Effective date: 20130314 |
|
R081 | Change of applicant/patentee |
Owner name: INTEL DEUTSCHLAND GMBH, DE Free format text: FORMER OWNER: INTEL MOBILE COMMUNICATIONS GMBH, 85579 NEUBIBERG, DE |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |