DK169296B1 - Indretning til anvendelse ved aktive filtre, og oscillatorer, samt indretningens brug. - Google Patents

Indretning til anvendelse ved aktive filtre, og oscillatorer, samt indretningens brug. Download PDF

Info

Publication number
DK169296B1
DK169296B1 DK075189A DK75189A DK169296B1 DK 169296 B1 DK169296 B1 DK 169296B1 DK 075189 A DK075189 A DK 075189A DK 75189 A DK75189 A DK 75189A DK 169296 B1 DK169296 B1 DK 169296B1
Authority
DK
Denmark
Prior art keywords
group
current
component
gain
series circuit
Prior art date
Application number
DK075189A
Other languages
Danish (da)
English (en)
Other versions
DK75189A (da
DK75189D0 (da
Inventor
Heinz Bernhard Maeder
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of DK75189D0 publication Critical patent/DK75189D0/da
Publication of DK75189A publication Critical patent/DK75189A/da
Application granted granted Critical
Publication of DK169296B1 publication Critical patent/DK169296B1/da

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45098—PI types
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45388—Indexing scheme relating to differential amplifiers the AAC comprising diodes in the source circuit of the AAC before the common source coupling
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45472—Indexing scheme relating to differential amplifiers the CSC comprising one or more diodes
DK075189A 1987-06-18 1989-02-17 Indretning til anvendelse ved aktive filtre, og oscillatorer, samt indretningens brug. DK169296B1 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8702561 1987-06-18
SE8702561A SE457922B (sv) 1987-06-18 1987-06-18 Anordning vid aktivt filter samt anvaendning daerav
SE8800239 1988-05-09
PCT/SE1988/000239 WO1988010534A1 (en) 1987-06-18 1988-05-09 A device for use at active filters and use thereof

Publications (3)

Publication Number Publication Date
DK75189D0 DK75189D0 (da) 1989-02-17
DK75189A DK75189A (da) 1989-04-17
DK169296B1 true DK169296B1 (da) 1994-10-03

Family

ID=20368915

Family Applications (1)

Application Number Title Priority Date Filing Date
DK075189A DK169296B1 (da) 1987-06-18 1989-02-17 Indretning til anvendelse ved aktive filtre, og oscillatorer, samt indretningens brug.

Country Status (20)

Country Link
US (1) US4914401A (ja)
EP (1) EP0296131B1 (ja)
JP (1) JP2706501B2 (ja)
KR (1) KR890702330A (ja)
AU (1) AU608030B2 (ja)
BR (1) BR8807096A (ja)
CA (1) CA1288486C (ja)
DE (1) DE3870047D1 (ja)
DK (1) DK169296B1 (ja)
ES (1) ES2030904T3 (ja)
FI (1) FI92119C (ja)
GR (1) GR3005054T3 (ja)
IE (1) IE63761B1 (ja)
MA (1) MA21300A1 (ja)
MX (1) MX169804B (ja)
NO (1) NO172879C (ja)
SE (1) SE457922B (ja)
TN (1) TNSN88069A1 (ja)
TR (1) TR26771A (ja)
WO (1) WO1988010534A1 (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076283A (en) * 1959-08-17 1963-02-05 Frank J Luketa Trawl net weights
JP2930305B2 (ja) * 1988-08-18 1999-08-03 ソニー株式会社 移相型発振回路
JPH0265601A (ja) * 1988-08-29 1990-03-06 Toshiba Corp 車両用電力変換装置
JPH03175714A (ja) * 1989-12-04 1991-07-30 Nec Corp フィルタ回路
US5039952A (en) * 1990-04-20 1991-08-13 International Business Machines Corp. Electronic gain cell
SE468412B (sv) * 1991-05-15 1993-01-11 Ericsson Telefon Ab L M Limiterande foerstaerkare
BR9306458A (pt) * 1992-06-02 1998-06-30 Ericsson Telefon Ab L M Circuito de extração de pulso de relógio para receptores a fibra óptica
DE4320006C2 (de) * 1993-06-17 1997-08-28 Telefunken Microelectron Schaltungsanordnung zur elektronischen Nachbildung von Arbeitswiderständen
US5489872A (en) * 1994-01-25 1996-02-06 Texas Instruments Incorporated Transconductance-capacitor filter circuit with current sensor circuit
US5742199A (en) * 1995-06-21 1998-04-21 Sony Corporation Filter circuit and electronic apparatus
DE69611967T2 (de) * 1995-11-01 2001-06-21 Mitel Semiconductor Ltd Gefaltetes aktives Filter
JP3776680B2 (ja) * 1999-06-18 2006-05-17 株式会社東芝 電圧制御発振器および信号処理回路
IT1316688B1 (it) 2000-02-29 2003-04-24 St Microelectronics Srl Moltiplicatore analogico a bassa tensione di alimentazione
JP4697997B2 (ja) * 2000-04-13 2011-06-08 エルピーダメモリ株式会社 内部電圧発生回路
US6724256B1 (en) 2002-11-07 2004-04-20 International Business Machines Corporation Receiver with delay insensitive to input amplitude and slew rate
JP2008011132A (ja) * 2006-06-29 2008-01-17 Nec Electronics Corp ９０度移相器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453553A (en) * 1964-10-15 1969-07-01 Philips Corp Two transistor resonant circuit employing series diode compensation
NL7104636A (ja) * 1971-04-07 1972-10-10
NL162802C (nl) * 1971-10-09 1980-06-16 Philips Nv Geintegreerde verschilversterker.
JPS5532043B2 (ja) * 1972-08-11 1980-08-22
US3983512A (en) * 1974-08-27 1976-09-28 Feedback Instruments Limited Current controlled electrical circuits
JPS5545224A (en) * 1978-09-26 1980-03-29 Sony Corp Filter circuit
CA1134463A (en) * 1978-10-13 1982-10-26 Kyoichi Murakami Circuit for converting single-ended input signals to a pair of differential output signals
JPS5634207A (en) * 1979-08-30 1981-04-06 Toshiba Corp Differential amplifier
JPS585015A (ja) * 1981-06-30 1983-01-12 Ishida Scales Mfg Co Ltd ロ−パスフイルタ−を内蔵した差動増幅回路
JPS58161413A (ja) * 1982-03-18 1983-09-26 Sony Corp 多目的フイルタ
SU1160530A1 (ru) * 1983-12-12 1985-06-07 Matavkin Vladimir V Операционный усилитель
US4605906A (en) * 1985-01-28 1986-08-12 Gould Instruments, Ltd. Differential pair amplifier enhancement circuit

Also Published As

Publication number Publication date
US4914401A (en) 1990-04-03
NO172879C (no) 1993-09-15
IE881620L (en) 1988-12-18
WO1988010534A1 (en) 1988-12-29
SE457922B (sv) 1989-02-06
MX169804B (es) 1993-07-27
SE8702561D0 (sv) 1987-06-18
NO172879B (no) 1993-06-07
JP2706501B2 (ja) 1998-01-28
DE3870047D1 (de) 1992-05-21
ES2030904T3 (es) 1992-11-16
GR3005054T3 (ja) 1993-05-24
TNSN88069A1 (fr) 1990-07-10
CA1288486C (en) 1991-09-03
JPH02500711A (ja) 1990-03-08
AU608030B2 (en) 1991-03-21
BR8807096A (pt) 1989-10-31
EP0296131A1 (en) 1988-12-21
NO890461L (no) 1989-02-03
EP0296131B1 (en) 1992-04-15
DK75189A (da) 1989-04-17
DK75189D0 (da) 1989-02-17
TR26771A (tr) 1994-07-08
AU1932288A (en) 1989-01-19
KR890702330A (ko) 1989-12-23
FI92119B (sv) 1994-06-15
FI92119C (sv) 1994-09-26
FI890485A0 (fi) 1989-02-01
IE63761B1 (en) 1995-06-14
MA21300A1 (fr) 1988-12-31
NO890461D0 (no) 1989-02-03
FI890485A (fi) 1989-02-01
SE8702561L (sv) 1988-12-19

Similar Documents

Publication Publication Date Title
DK169296B1 (da) Indretning til anvendelse ved aktive filtre, og oscillatorer, samt indretningens brug.
Lee Multiple-mode OTA-C universal biquad filters
US5187450A (en) Voltage controlled oscillator suitable for complete implementation within a semiconductor integrated circuit
US7180364B2 (en) Filter apparatus including slave gm-C filter with frequency characteristics automatically tuned by master circuit
KR100491390B1 (ko) 능동 위상 분할기
TW200915713A (en) Digitally controlled capacitive circuit, high-resolution digitally controlled oscillator with digitally controlled capacitive circuit and method thereof
Horng DVCCs based high input impedance voltage-mode first-order allpass, highpass and lowpass filters employing grounded capacitor and resistor
Herencsar et al. New compact VM four-phase oscillator employing only single z-copy VDTA and all grounded passive elements
US5949295A (en) Integratable tunable resonant circuit for use in filters and oscillators
Lahiri Low-frequency quadrature sinusoidal oscillators using current differencing buffered amplifiers
Kartci et al. VDIBA-based fractional-order oscillator design
US3400335A (en) Integratable gyrator using mos and bipolar transistors
Voorman et al. An electronic gyrator
JP4545737B2 (ja) 発振器回路
Shah et al. SITO electronically tunable high output impedance current-mode universal filter
CN1826725A (zh) 精确无调谐晶体振荡器
Budboonchu et al. Three-input single-output current-mode universal filter using single CCCTA
Sotner et al. Applications of novel behavioral implementation of a controllable generalized current conveyor
Biolek et al. Digitally-controlled quadrature oscillators employing modified CDBAs
Sotner et al. Practical design of the voltage controllable quadrature oscillator for operation in MHz bands employing new behavioral model of variable-voltage-gain current conveyor of second generation
Petchmaneelumka OTAs-based positive/negative floating inductance simulator
Kumar et al. Voltage mode OTA based KHN filter
Razafimandimby et al. Tunable BAW filters
Brugger et al. A comparison of semiconductor controlled sources for the design of active RC impedances
Chang et al. On-chip automatic direct tuning circuitry based on the synchronous rectification scheme for CMOS gigahertz band front-end filters

Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed