IT1123133B - Filtro per segnali elettrici alternati costituito da interruttori,condensatori e amplificatori - Google Patents
Filtro per segnali elettrici alternati costituito da interruttori,condensatori e amplificatoriInfo
- Publication number
- IT1123133B IT1123133B IT25645/79A IT2564579A IT1123133B IT 1123133 B IT1123133 B IT 1123133B IT 25645/79 A IT25645/79 A IT 25645/79A IT 2564579 A IT2564579 A IT 2564579A IT 1123133 B IT1123133 B IT 1123133B
- Authority
- IT
- Italy
- Prior art keywords
- amplifiers
- capacitors
- switches
- filter
- electric signals
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/004—Switched capacitor networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/20—Time-division multiplex systems using resonant transfer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2840346A DE2840346C2 (de) | 1978-09-15 | 1978-09-15 | Aus Schaltern, Kondensatoren und Verstärkern bestehendes Filter für elektrische Schwingungen |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7925645A0 IT7925645A0 (it) | 1979-09-12 |
IT1123133B true IT1123133B (it) | 1986-04-30 |
Family
ID=6049604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25645/79A IT1123133B (it) | 1978-09-15 | 1979-09-12 | Filtro per segnali elettrici alternati costituito da interruttori,condensatori e amplificatori |
Country Status (11)
Country | Link |
---|---|
US (1) | US4356464A (it) |
EP (1) | EP0020379B1 (it) |
JP (1) | JPS6257130B2 (it) |
BE (1) | BE878796A (it) |
CH (1) | CH664245A5 (it) |
DE (1) | DE2840346C2 (it) |
GB (1) | GB2043386B (it) |
IT (1) | IT1123133B (it) |
NL (1) | NL7906897A (it) |
SE (1) | SE8003473L (it) |
WO (1) | WO1980000644A1 (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2471699A1 (fr) * | 1979-12-12 | 1981-06-19 | Trt Telecom Radio Electr | Dispositif de filtrage comportant des reseaux integrateurs a commutation de capacites |
JPH0775302B2 (ja) * | 1985-04-08 | 1995-08-09 | ソニー株式会社 | n次フイルタの構成方法 |
CA1233890A (en) * | 1985-05-27 | 1988-03-08 | Peter Gillingham | Decimating filter |
CA1233891A (en) * | 1985-05-27 | 1988-03-08 | Peter Gillingham | Switched capacitor finite impulse response filter |
EP0268876B1 (de) * | 1986-11-12 | 1991-10-16 | Siemens Aktiengesellschaft | Mehrdimensionale (k-dimensionales) Digitalfilter, das Addierer, Multiplizierer und Schiebeglieder enthält |
US4995054A (en) * | 1987-07-08 | 1991-02-19 | Eckersley Gregory P | Data transmission using switched resonance |
US5182521A (en) * | 1987-08-28 | 1993-01-26 | The University Of Melbourne | Time-multiplexed switched capacitor circuit having reduced capacitance |
WO1989006069A1 (en) * | 1987-12-24 | 1989-06-29 | The University Of Melbourne | Switched capacitor circuits |
US5862890A (en) * | 1996-01-16 | 1999-01-26 | Mcdonnell Douglas Corporation | Restrained aircraft brake apparatus |
KR100452825B1 (ko) * | 2002-12-27 | 2004-10-15 | 삼성전기주식회사 | 선형 채널 선택 필터 |
US7769799B2 (en) * | 2005-05-13 | 2010-08-03 | Atmel Corporation | Discrete-time analog, digitally programmable filter and method |
US20130036147A1 (en) * | 2011-08-02 | 2013-02-07 | Mediatek Inc. | Infinite impulse response (iir) filter and filtering method |
US10128819B2 (en) * | 2016-01-21 | 2018-11-13 | Qualcomm Incorporated | High rejection wideband bandpass N-path filter |
-
1978
- 1978-09-15 DE DE2840346A patent/DE2840346C2/de not_active Expired
-
1979
- 1979-08-10 CH CH7339/79A patent/CH664245A5/de not_active IP Right Cessation
- 1979-08-21 US US06/196,554 patent/US4356464A/en not_active Expired - Lifetime
- 1979-08-21 JP JP54501363A patent/JPS6257130B2/ja not_active Expired
- 1979-08-21 WO PCT/EP1979/000064 patent/WO1980000644A1/de unknown
- 1979-08-21 GB GB8015027A patent/GB2043386B/en not_active Expired
- 1979-09-12 IT IT25645/79A patent/IT1123133B/it active
- 1979-09-14 BE BE0/197155A patent/BE878796A/xx not_active IP Right Cessation
- 1979-09-14 NL NL7906897A patent/NL7906897A/nl not_active Application Discontinuation
-
1980
- 1980-04-09 EP EP79901010A patent/EP0020379B1/de not_active Expired
- 1980-05-08 SE SE8003473A patent/SE8003473L/ not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1980000644A1 (en) | 1980-04-03 |
US4356464A (en) | 1982-10-26 |
DE2840346B1 (de) | 1979-11-08 |
EP0020379A1 (de) | 1981-01-07 |
GB2043386A (en) | 1980-10-01 |
CH664245A5 (de) | 1988-02-15 |
GB2043386B (en) | 1983-03-30 |
IT7925645A0 (it) | 1979-09-12 |
EP0020379B1 (de) | 1984-01-25 |
NL7906897A (nl) | 1980-03-18 |
JPS6257130B2 (it) | 1987-11-30 |
JPS55500664A (it) | 1980-09-18 |
DE2840346C2 (de) | 1980-09-18 |
SE8003473L (sv) | 1980-05-08 |
BE878796A (fr) | 1979-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960925 |