CA1149479A - Low sensitivity switched-capacitor ladder filter using monolithic mos chip - Google Patents
Low sensitivity switched-capacitor ladder filter using monolithic mos chipInfo
- Publication number
- CA1149479A CA1149479A CA000366955A CA366955A CA1149479A CA 1149479 A CA1149479 A CA 1149479A CA 000366955 A CA000366955 A CA 000366955A CA 366955 A CA366955 A CA 366955A CA 1149479 A CA1149479 A CA 1149479A
- Authority
- CA
- Canada
- Prior art keywords
- capacitor
- terminal
- interconnected
- switched
- input
- 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 268
- 230000035945 sensitivity Effects 0.000 title description 2
- 239000004065 semiconductor Substances 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 230000010363 phase shift Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000005236 sound signal Effects 0.000 claims 1
- 230000003071 parasitic effect Effects 0.000 description 10
- 230000010354 integration Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000009966 trimming Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000003362 replicative effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000009466 transformation Effects 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)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US105,004 | 1979-12-18 | ||
| US06/105,004 US4338571A (en) | 1979-12-18 | 1979-12-18 | Low sensitivity switched-capacitor ladder filter using monolithic MOS chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149479A true CA1149479A (en) | 1983-07-05 |
Family
ID=22303551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000366955A Expired CA1149479A (en) | 1979-12-18 | 1980-12-17 | Low sensitivity switched-capacitor ladder filter using monolithic mos chip |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4338571A (en, 2012) |
| EP (1) | EP0042386A1 (en, 2012) |
| JP (1) | JPS6351571B2 (en, 2012) |
| CA (1) | CA1149479A (en, 2012) |
| DE (1) | DE3050110C2 (en, 2012) |
| FR (1) | FR2472305A1 (en, 2012) |
| GB (1) | GB2078045B (en, 2012) |
| NL (1) | NL8020395A (en, 2012) |
| WO (1) | WO1981001778A1 (en, 2012) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3016737A1 (de) * | 1980-04-30 | 1981-11-05 | Siemens AG, 1000 Berlin und 8000 München | Integratorschaltung mit abtaststufe |
| US4429239A (en) | 1982-03-15 | 1984-01-31 | Motorola, Inc. | Combined phase detector and low pass filter |
| US4571731A (en) * | 1982-08-16 | 1986-02-18 | Texas Instruments Incorporated | PSK modem filter switch |
| US4659996A (en) * | 1984-02-27 | 1987-04-21 | Motorola, Inc. | Method and apparatus for de-ringing a switched capacitor filter |
| US4904951A (en) * | 1988-06-06 | 1990-02-27 | Burr-Brown Corporation | Method and circuit for reducing effects of distributed capacitance associated with large thin film resistors |
| US5016259A (en) * | 1989-03-03 | 1991-05-14 | The Grass Valley Group, Inc. | Low jitter DDFS FSK modulator |
| US5168461A (en) * | 1989-08-21 | 1992-12-01 | Industrial Technology Research Institute | Switched capacitor differentiators and switched capacitor differentiator-based filters |
| CA2028742A1 (en) * | 1989-11-14 | 1991-05-15 | Paul A. Tharman | Integral stator and rectifier for internal combustion engine |
| US6272370B1 (en) | 1998-08-07 | 2001-08-07 | The Regents Of University Of Minnesota | MR-visible medical device for neurological interventions using nonlinear magnetic stereotaxis and a method imaging |
| US7048716B1 (en) | 1997-05-15 | 2006-05-23 | Stanford University | MR-compatible devices |
| US6453157B1 (en) * | 1998-03-23 | 2002-09-17 | Ericsson Inc. | Radio frequency tracking filter |
| US6463317B1 (en) | 1998-05-19 | 2002-10-08 | Regents Of The University Of Minnesota | Device and method for the endovascular treatment of aneurysms |
| DE10156027B4 (de) * | 2001-11-15 | 2012-02-09 | Globalfoundries Inc. | Abgleichbare Filterschaltung |
| CN114495936A (zh) * | 2022-03-15 | 2022-05-13 | 浙江理工大学 | 一种唇语传感器电压信号放大识别模块 |
-
1979
- 1979-12-18 US US06/105,004 patent/US4338571A/en not_active Expired - Lifetime
-
1980
- 1980-05-05 WO PCT/US1980/000510 patent/WO1981001778A1/en active Application Filing
- 1980-05-05 GB GB8125246A patent/GB2078045B/en not_active Expired
- 1980-05-05 EP EP80902075A patent/EP0042386A1/en not_active Withdrawn
- 1980-05-05 JP JP55502459A patent/JPS6351571B2/ja not_active Expired
- 1980-05-05 NL NL8020395A patent/NL8020395A/nl unknown
- 1980-05-05 DE DE19803050110 patent/DE3050110C2/de not_active Expired
- 1980-12-17 CA CA000366955A patent/CA1149479A/en not_active Expired
- 1980-12-18 FR FR8026898A patent/FR2472305A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0042386A1 (en) | 1981-12-30 |
| JPS6351571B2 (en, 2012) | 1988-10-14 |
| US4338571A (en) | 1982-07-06 |
| FR2472305B1 (en, 2012) | 1984-12-28 |
| NL8020395A (en, 2012) | 1981-11-02 |
| DE3050110C2 (de) | 1987-01-15 |
| DE3050110T1 (en, 2012) | 1982-03-25 |
| FR2472305A1 (fr) | 1981-06-26 |
| GB2078045B (en) | 1984-02-01 |
| WO1981001778A1 (en) | 1981-06-25 |
| JPS57500088A (en, 2012) | 1982-01-14 |
| GB2078045A (en) | 1981-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |