GB201105120D0 - Analogue filter - Google Patents
Analogue filterInfo
- Publication number
- GB201105120D0 GB201105120D0 GBGB1105120.8A GB201105120A GB201105120D0 GB 201105120 D0 GB201105120 D0 GB 201105120D0 GB 201105120 A GB201105120 A GB 201105120A GB 201105120 D0 GB201105120 D0 GB 201105120D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- analogue filter
- analogue
- filter
- 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.)
- Withdrawn
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
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
- H03H11/1286—Sallen-Key biquad
-
- 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
- H03H11/10—Frequency selective two-port networks using negative impedance converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/34—Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Networks Using Active Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1105120.8A GB2489440A (en) | 2011-03-25 | 2011-03-25 | A crossover network comprising cascaded filter sections having conjugate phase responses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1105120.8A GB2489440A (en) | 2011-03-25 | 2011-03-25 | A crossover network comprising cascaded filter sections having conjugate phase responses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB201105120D0 true GB201105120D0 (en) | 2011-05-11 |
| GB2489440A GB2489440A (en) | 2012-10-03 |
Family
ID=44067433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1105120.8A Withdrawn GB2489440A (en) | 2011-03-25 | 2011-03-25 | A crossover network comprising cascaded filter sections having conjugate phase responses |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2489440A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6470397B2 (en) | 2014-08-29 | 2019-02-13 | 株式会社東芝 | Timing alignment sensitivity for envelope tracking |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7705552A (en) * | 1977-05-20 | 1978-11-22 | Philips Nv | QUADRATURE TRANSPOSITION STAPLE. |
| US4589135A (en) * | 1984-02-14 | 1986-05-13 | Baker Edward B | Zero phase shift filtering |
| EP0509048A1 (en) * | 1989-12-28 | 1992-10-21 | Meyer Sound Laboratories, Inc. | Correction circuit and method for a two-way loudspeaker system |
| US5694439A (en) * | 1995-03-21 | 1997-12-02 | Intel Corporation | Bi-directional low pass filtering method and apparatus |
| US5930374A (en) * | 1996-10-17 | 1999-07-27 | Aphex Systems, Ltd. | Phase coherent crossover |
-
2011
- 2011-03-25 GB GB1105120.8A patent/GB2489440A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2489440A (en) | 2012-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |