DE3743603C2 - - Google Patents
Info
- Publication number
- DE3743603C2 DE3743603C2 DE3743603A DE3743603A DE3743603C2 DE 3743603 C2 DE3743603 C2 DE 3743603C2 DE 3743603 A DE3743603 A DE 3743603A DE 3743603 A DE3743603 A DE 3743603A DE 3743603 C2 DE3743603 C2 DE 3743603C2
- Authority
- DE
- Germany
- Prior art keywords
- operational amplifier
- filter
- resistor
- resistors
- active 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.)
- Expired - Lifetime
Links
- 239000003990 capacitor Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B11/00—Generation of oscillations using a shock-excited tuned circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/165—Equalizers; Volume or gain control in limited frequency bands
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
-
- 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
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
Landscapes
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61315355A JPH0828644B2 (ja) | 1986-12-26 | 1986-12-26 | アクテイブ型位相等化器 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3743603A1 DE3743603A1 (de) | 1988-07-07 |
DE3743603C2 true DE3743603C2 (US07709020-20100504-C00068.png) | 1993-02-11 |
Family
ID=18064415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873743603 Granted DE3743603A1 (de) | 1986-12-26 | 1987-12-22 | Aktives filter |
Country Status (5)
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2662650B2 (ja) * | 1987-11-06 | 1997-10-15 | ミノルタ株式会社 | 自動焦点調節装置 |
JPH03172014A (ja) * | 1989-11-30 | 1991-07-25 | Toshiba Corp | アクティブ・フィルタ |
JPH063861B2 (ja) * | 1990-02-14 | 1994-01-12 | 株式会社東芝 | アクティブ・フィルタ |
US5235540A (en) * | 1990-04-26 | 1993-08-10 | Silicon Systems, Inc. | Parasitic insensitive programmable biquadratic pulse slimming technique |
US5065110A (en) * | 1990-05-02 | 1991-11-12 | Teledyne Mec | Feed-forward amplifier including phase correction |
JP2671278B2 (ja) * | 1991-03-22 | 1997-10-29 | 東光株式会社 | 遅延等化された低域通過フィルタ |
JP3061205B2 (ja) * | 1991-03-28 | 2000-07-10 | ソニー株式会社 | アクテイブフイルタ回路 |
US5444414A (en) * | 1993-05-28 | 1995-08-22 | National Semiconductor Corporation | Low voltage filter transconductance cell |
US7656236B2 (en) | 2007-05-15 | 2010-02-02 | Teledyne Wireless, Llc | Noise canceling technique for frequency synthesizer |
US8179045B2 (en) | 2008-04-22 | 2012-05-15 | Teledyne Wireless, Llc | Slow wave structure having offset projections comprised of a metal-dielectric composite stack |
WO2011080724A2 (en) * | 2010-01-04 | 2011-07-07 | Marvell World Trade Ltd | Power amplifier with feedback impedance for stable output |
US9041467B2 (en) | 2010-01-04 | 2015-05-26 | Marvell World Trade Ltd. | Power amplifier with feedback impedance for stable output |
US9202660B2 (en) | 2013-03-13 | 2015-12-01 | Teledyne Wireless, Llc | Asymmetrical slow wave structures to eliminate backward wave oscillations in wideband traveling wave tubes |
RU2737390C1 (ru) * | 2020-03-13 | 2020-11-30 | федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) | Универсальный полосовой фильтр, фильтр низких частот и режекторный фильтр на трех мультидифференциальных операционных усилителях |
RU2736239C1 (ru) * | 2020-03-13 | 2020-11-12 | федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) | Универсальный полосовой и режекторный фильтр с регулируемой полосой пропускания |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4336501A (en) * | 1978-09-26 | 1982-06-22 | Nippon Columbia Kabushiki Kaisha | Frequency characteristic adjusting circuit |
US4257006A (en) * | 1979-01-25 | 1981-03-17 | The Regents Of The University Of Minnesota | Integrable analog active filter and method of same |
US4417215A (en) * | 1981-09-10 | 1983-11-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Tuned analog network |
JPH0626297B2 (ja) * | 1985-01-23 | 1994-04-06 | ソニー株式会社 | 2次アクテイブ位相等価器 |
-
1986
- 1986-12-26 JP JP61315355A patent/JPH0828644B2/ja not_active Expired - Lifetime
-
1987
- 1987-12-18 GB GB8729529A patent/GB2200007B/en not_active Expired - Lifetime
- 1987-12-22 DE DE19873743603 patent/DE3743603A1/de active Granted
- 1987-12-23 US US07/136,968 patent/US4841179A/en not_active Expired - Lifetime
- 1987-12-26 KR KR1019870015142A patent/KR900008363B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900008363B1 (ko) | 1990-11-17 |
GB2200007A (en) | 1988-07-20 |
KR880008511A (ko) | 1988-08-31 |
US4841179A (en) | 1989-06-20 |
DE3743603A1 (de) | 1988-07-07 |
JPH0828644B2 (ja) | 1996-03-21 |
GB2200007B (en) | 1990-10-03 |
JPS63166309A (ja) | 1988-07-09 |
GB8729529D0 (en) | 1988-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |