CA1159910A - Switched-capacitor cosine filter - Google Patents
Switched-capacitor cosine filterInfo
- Publication number
- CA1159910A CA1159910A CA000378445A CA378445A CA1159910A CA 1159910 A CA1159910 A CA 1159910A CA 000378445 A CA000378445 A CA 000378445A CA 378445 A CA378445 A CA 378445A CA 1159910 A CA1159910 A CA 1159910A
- Authority
- CA
- Canada
- Prior art keywords
- capacitor
- switches
- controlled
- switch means
- switch
- 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
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 53
- 238000005070 sampling Methods 0.000 claims abstract description 11
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000011045 prefiltration Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- SEACYXSIPDVVMV-UHFFFAOYSA-L eosin Y Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C([O-])=C(Br)C=C21 SEACYXSIPDVVMV-UHFFFAOYSA-L 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/154,573 US4329599A (en) | 1980-05-29 | 1980-05-29 | Switched-capacitor cosine filter |
| US154,573 | 1980-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1159910A true CA1159910A (en) | 1984-01-03 |
Family
ID=22551864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000378445A Expired CA1159910A (en) | 1980-05-29 | 1981-05-27 | Switched-capacitor cosine filter |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4329599A (OSRAM) |
| EP (1) | EP0055260B1 (OSRAM) |
| JP (1) | JPH0211172B2 (OSRAM) |
| CA (1) | CA1159910A (OSRAM) |
| WO (1) | WO1981003587A1 (OSRAM) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4425550A (en) | 1981-12-24 | 1984-01-10 | Motorola, Inc. | Charge pump amplifier |
| US4496858A (en) * | 1981-12-24 | 1985-01-29 | Motorola, Inc. | Frequency to voltage converter |
| US4523107A (en) * | 1982-04-23 | 1985-06-11 | Motorola, Inc. | Switched capacitor comparator |
| US4509019A (en) * | 1983-01-27 | 1985-04-02 | At&T Bell Laboratories | Tunable active filter |
| US4521743A (en) * | 1983-12-29 | 1985-06-04 | Cordis Corporation | Switched capacitor amplifier |
| US4659996A (en) * | 1984-02-27 | 1987-04-21 | Motorola, Inc. | Method and apparatus for de-ringing a switched capacitor filter |
| US4642489A (en) * | 1984-10-03 | 1987-02-10 | National Semiconductor Corporation | Sampled data amplitude linear phase detector |
| US4763088A (en) * | 1986-04-30 | 1988-08-09 | Silicon Systems, Inc. | Switching scheme for switched capacitor filters |
| US5168179A (en) * | 1988-11-04 | 1992-12-01 | Silicon Systems, Inc. | Balanced modulator for auto zero networks |
| JPH03188709A (ja) * | 1989-12-19 | 1991-08-16 | Hitachi Ltd | のこぎり波発生回路 |
| US6191648B1 (en) * | 1999-04-19 | 2001-02-20 | National Semiconductor Corporation | Switched-capacitor cosine filter circuit |
| WO2002059825A1 (en) * | 2001-01-26 | 2002-08-01 | Fujitsu Limited | Information reading method and device, signal capturing method for information reading device, band limiting method therefor, timing point amplitude extracting method therefor, and signal processing method therefor, read signal processing unit, and read signal processing method and device |
| US7629854B2 (en) * | 2005-12-01 | 2009-12-08 | Realtek Semiconductor Corp. | Switch-capacitor loop filter for phase lock loops |
| US8841937B2 (en) * | 2011-12-23 | 2014-09-23 | Chuan GONG | Analog sample circuit with switch circuit |
| US10153751B2 (en) * | 2017-01-23 | 2018-12-11 | Samsung Display Co., Ltd. | Second order switched capacitor filter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3497716A (en) * | 1967-09-28 | 1970-02-24 | Allen Bradley Co | Two amplifier circuit for detecting sine and cosine pulses |
| US4179665A (en) * | 1978-09-08 | 1979-12-18 | American Microsystems, Inc. | Switched capacitor elliptic filter |
-
1980
- 1980-05-29 US US06/154,573 patent/US4329599A/en not_active Expired - Lifetime
-
1981
- 1981-05-21 WO PCT/US1981/000728 patent/WO1981003587A1/en not_active Ceased
- 1981-05-21 JP JP56501996A patent/JPH0211172B2/ja not_active Expired
- 1981-05-21 EP EP81901666A patent/EP0055260B1/en not_active Expired
- 1981-05-27 CA CA000378445A patent/CA1159910A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0055260B1 (en) | 1985-09-25 |
| JPH0211172B2 (OSRAM) | 1990-03-13 |
| US4329599A (en) | 1982-05-11 |
| JPS57501105A (OSRAM) | 1982-06-24 |
| EP0055260A4 (en) | 1982-09-28 |
| WO1981003587A1 (en) | 1981-12-10 |
| EP0055260A1 (en) | 1982-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |