DE69118798T2 - Konstantstromschaltung und ein Schwingkreis gesteuert durch dieselbe - Google Patents

Konstantstromschaltung und ein Schwingkreis gesteuert durch dieselbe

Info

Publication number
DE69118798T2
DE69118798T2 DE69118798T DE69118798T DE69118798T2 DE 69118798 T2 DE69118798 T2 DE 69118798T2 DE 69118798 T DE69118798 T DE 69118798T DE 69118798 T DE69118798 T DE 69118798T DE 69118798 T2 DE69118798 T2 DE 69118798T2
Authority
DE
Germany
Prior art keywords
same
constant current
circuit
controlled
current circuit
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 - Fee Related
Application number
DE69118798T
Other languages
English (en)
Other versions
DE69118798D1 (de
Inventor
Makoto Suwada
Shuichi Inoue
Yuzo Usui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69118798D1 publication Critical patent/DE69118798D1/de
Publication of DE69118798T2 publication Critical patent/DE69118798T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26—Current mirrors
    • G05F3/265—Current mirrors using bipolar transistors only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
    • G05F3/222—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage
    • G05F3/227—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage producing a current or voltage as a predetermined function of the supply voltage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231—Astable circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
    • H03K4/501—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
    • H03K4/502—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Nonlinear Science (AREA)
  • Dc-Dc Converters (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Electronic Switches (AREA)
  • Control Of Electrical Variables (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
DE69118798T 1990-09-26 1991-09-25 Konstantstromschaltung und ein Schwingkreis gesteuert durch dieselbe Expired - Fee Related DE69118798T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2256294A JP2763393B2 (ja) 1990-09-26 1990-09-26 定電流回路および発振回路

Publications (2)

Publication Number Publication Date
DE69118798D1 DE69118798D1 (de) 1996-05-23
DE69118798T2 true DE69118798T2 (de) 1996-09-05

Family

ID=17290663

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118798T Expired - Fee Related DE69118798T2 (de) 1990-09-26 1991-09-25 Konstantstromschaltung und ein Schwingkreis gesteuert durch dieselbe

Country Status (6)

Country Link
US (1) US5146188A (de)
EP (2) EP0664502A3 (de)
JP (1) JP2763393B2 (de)
KR (1) KR950005155B1 (de)
CA (1) CA2052248C (de)
DE (1) DE69118798T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10121821A1 (de) * 2001-05-04 2002-11-14 Infineon Technologies Ag Frequenzregelschaltung
CN109002076A (zh) * 2017-06-07 2018-12-14 上海韦玏微电子有限公司 电阻电流镜像电路、rssi电路及芯片

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994022208A1 (en) * 1993-03-17 1994-09-29 National Semiconductor Corporation Frequency shift circuit for switching regulator
US5349286A (en) * 1993-06-18 1994-09-20 Texas Instruments Incorporated Compensation for low gain bipolar transistors in voltage and current reference circuits
US5619125A (en) * 1995-07-31 1997-04-08 Lucent Technologies Inc. Voltage-to-current converter
US6441693B1 (en) * 2001-03-20 2002-08-27 Honeywell International Inc. Circuit for voltage to linear duty cycle conversion
DE10259384B3 (de) * 2002-12-18 2004-05-13 Siemens Ag Vorrichtung zur Ermittlung des Energiezustandes eines Energiespeichers eines mobilen Datenträgers
JP5762755B2 (ja) * 2010-01-18 2015-08-12 ローム株式会社 発光素子の駆動回路およびそれを用いた発光装置
JP6576306B2 (ja) 2016-06-28 2019-09-18 三菱電機株式会社 電圧電流変換回路および負荷駆動回路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870971A (en) * 1973-03-17 1975-03-11 Victor Company Of Japan Circuit arrangement of voltage controlled oscillator
US3831113A (en) * 1973-06-01 1974-08-20 Rca Corp Relaxation oscillator
DE2912492A1 (de) * 1979-03-29 1980-10-09 Siemens Ag Monolithisch integrierbarer rechteckimpulsgenerator
US4471326A (en) * 1981-04-30 1984-09-11 Rca Corporation Current supplying circuit as for an oscillator
NL8302215A (nl) * 1983-06-22 1985-01-16 Philips Nv Stroombronschakeling.
JPS60263507A (ja) * 1984-06-11 1985-12-27 Nec Corp 発振回路
JPH0659024B2 (ja) * 1985-12-23 1994-08-03 日本電気株式会社 時定数回路
US4667146A (en) * 1986-10-10 1987-05-19 Tektronix, Inc. Voltage-controlled push-pull current source

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10121821A1 (de) * 2001-05-04 2002-11-14 Infineon Technologies Ag Frequenzregelschaltung
DE10121821B4 (de) * 2001-05-04 2004-04-08 Infineon Technologies Ag Frequenzregelschaltung
CN109002076A (zh) * 2017-06-07 2018-12-14 上海韦玏微电子有限公司 电阻电流镜像电路、rssi电路及芯片
CN109002076B (zh) * 2017-06-07 2021-10-29 苏州瀚宸科技有限公司 电阻电流镜像电路、rssi电路及芯片

Also Published As

Publication number Publication date
US5146188A (en) 1992-09-08
JP2763393B2 (ja) 1998-06-11
DE69118798D1 (de) 1996-05-23
EP0477907A3 (en) 1993-06-30
CA2052248C (en) 1994-07-26
KR920007320A (ko) 1992-04-28
EP0664502A3 (de) 1997-08-06
CA2052248A1 (en) 1992-03-27
KR950005155B1 (ko) 1995-05-19
EP0477907B1 (de) 1996-04-17
JPH04133113A (ja) 1992-05-07
EP0477907A2 (de) 1992-04-01
EP0664502A2 (de) 1995-07-26

Similar Documents

Publication Publication Date Title
DE68917900D1 (de) Spannungsreglerschaltung.
DE69122065D1 (de) Programmierbare integrierte Schaltung
DE68916854T2 (de) Spannungsgesteuerte Oszillatorschaltung.
DE69101417T2 (de) Spannungsgesteuerter Oszillator.
DE69230346D1 (de) Konstantspannungsschaltung
DE69011756T2 (de) Stromspiegelschaltung.
DE69102592D1 (de) Spannungsgesteuerte ausgeglichene Quarzoszillatorschaltung.
DE69100268T2 (de) Spannungsgesteuerter Oszillator.
DE69114408D1 (de) Konstantspannungserzeugungsschaltung.
DE69124924D1 (de) Konstantstromquellen-Schaltkreis
DE69118798D1 (de) Konstantstromschaltung und ein Schwingkreis gesteuert durch dieselbe
DE69123179T2 (de) Lautstärke-Regelschaltung
DE69212889T2 (de) Konstantspannungsschaltkreis
NO177517C (no) Frekvenslinearisert, mikrobölgeopererende spenningsstyrt oscillatorkrets
DE69015727D1 (de) Konstantspannungsschaltung.
DE69128166T2 (de) Oszillatorschaltung
FI962659A (fi) Komponentti-moduli-järjestetty värähtelypiirijärjestely
DE69519320T2 (de) Spannungsgesteuerte Oszillatorschaltung
DE69128652T2 (de) Steuerschaltung
DE69115413D1 (de) Halbbildentscheidungsschaltung
DE69005649D1 (de) Spannungsgeneratorschaltung.
DE59108939D1 (de) Hochspannungsbauelement
DE69010252T2 (de) Spannungsregelschaltung.
FI922315A (fi) Jännitteenmittauspiiri
KR920007164U (ko) 홀드전압유지회로

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee