SE7603320L - Digital/analog-omvandlare - Google Patents

Digital/analog-omvandlare

Info

Publication number
SE7603320L
SE7603320L SE7603320A SE7603320A SE7603320L SE 7603320 L SE7603320 L SE 7603320L SE 7603320 A SE7603320 A SE 7603320A SE 7603320 A SE7603320 A SE 7603320A SE 7603320 L SE7603320 L SE 7603320L
Authority
SE
Sweden
Prior art keywords
current source
current
source transistors
emitter voltages
different
Prior art date
Application number
SE7603320A
Other languages
English (en)
Swedish (sv)
Other versions
SE412150B (sv
Inventor
A P Brokaw
Original Assignee
Analog Devices Inc
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 Analog Devices Inc filed Critical Analog Devices Inc
Publication of SE7603320L publication Critical patent/SE7603320L/
Publication of SE412150B publication Critical patent/SE412150B/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0602—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M1/0604—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic at one point, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M1/0607—Offset or drift compensation

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
SE7603320A 1975-03-21 1976-03-16 Digital/analog- omvandlare SE412150B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/560,954 US3940760A (en) 1975-03-21 1975-03-21 Digital-to-analog converter with current source transistors operated accurately at different current densities

Publications (2)

Publication Number Publication Date
SE7603320L true SE7603320L (sv) 1976-09-22
SE412150B SE412150B (sv) 1980-02-18

Family

ID=24240053

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7603320A SE412150B (sv) 1975-03-21 1976-03-16 Digital/analog- omvandlare

Country Status (7)

Country Link
US (1) US3940760A ( )
JP (2) JPS6013338B2 ( )
DE (2) DE2611858C2 ( )
FR (1) FR2305067A1 ( )
GB (1) GB1537542A ( )
NL (1) NL7602941A ( )
SE (1) SE412150B ( )

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961326A (en) * 1974-09-12 1976-06-01 Analog Devices, Inc. Solid state digital to analog converter
US3940760A (en) * 1975-03-21 1976-02-24 Analog Devices, Inc. Digital-to-analog converter with current source transistors operated accurately at different current densities
US4176344A (en) * 1975-05-28 1979-11-27 Bell Telephone Laboratories, Incorporated Integrated circuit binary weighted digital-to-analog converter
US4092639A (en) * 1976-01-06 1978-05-30 Precision Monolithics, Inc. Digital to analog converter with complementary true current outputs
JPS52114250A (en) * 1976-03-22 1977-09-24 Nec Corp Transistor circuit
US4064506A (en) * 1976-04-08 1977-12-20 Rca Corporation Current mirror amplifiers with programmable current gains
JPS52139413A (en) * 1976-05-17 1977-11-21 Matsushita Electric Ind Co Ltd Sound source device for electronic instrument
US4123698A (en) * 1976-07-06 1978-10-31 Analog Devices, Incorporated Integrated circuit two terminal temperature transducer
US4131884A (en) * 1977-02-14 1978-12-26 Precision Monolithics, Inc. Trimming control circuit for a digital to analog converter
US4138671A (en) * 1977-02-14 1979-02-06 Precision Monolithics, Inc. Selectable trimming circuit for use with a digital to analog converter
US4400689A (en) * 1977-04-07 1983-08-23 Analog Devices, Incorporated A-to-D Converter of the successive-approximation type
NL7803536A (nl) * 1977-04-07 1978-10-10 Analog Devices Inc Verbeterde analoog/digitaal-omvormer werkend volgens de zogenaamde successievelijke benaderingswerkwijze.
US4214233A (en) * 1977-06-17 1980-07-22 Motorola Inc. Serial parallel analog-to-digital converter using voltage level shifting of a minimum reference voltage
US4305064A (en) * 1977-09-26 1981-12-08 Motorola Inc. High density analog-to-digital converter
FR2404957A1 (fr) * 1977-09-30 1979-04-27 Ibm France Convertisseur numerique-analogique et son application a un convertisseur analogique-numerique
JPS55611A (en) * 1978-06-09 1980-01-07 Toshiba Corp Constant current circuit
DE2914108C2 (de) * 1979-04-07 1984-03-08 Deutsche Itt Industries Gmbh, 7800 Freiburg Monolithisch integrierte Schaltungsanordnung für einen Digital-Analog-Wandler
FR2468997A1 (fr) * 1979-10-26 1981-05-08 Thomson Csf Element de circuit integre fournissant un courant proportionnel a une tension de commande et ayant une dependance en temperature predeterminee
US4267550A (en) * 1980-01-25 1981-05-12 National Semiconductor Corporation Digital to analog conversion circuit including compensation FET'S
US4349811A (en) * 1980-07-30 1982-09-14 Analog Devices, Incorporated Digital-to-analog converter with improved compensation arrangement for offset voltage variations
DE3070532D1 (en) * 1980-11-27 1985-05-23 Itt Ind Gmbh Deutsche Monolithic integratable r-2r network
US4591828A (en) * 1981-05-07 1986-05-27 Cambridge Consultants Limited Digital-to-analog converter
US4529966A (en) * 1983-10-11 1985-07-16 The United States Of America As Represented By The Secretary Of The Navy High-speed bipolar logarithmic analog-to-digital converter
GB2163614A (en) * 1984-08-22 1986-02-26 Philips Electronic Associated Battery economising circuit
NL8500086A (nl) * 1985-01-16 1986-08-18 Philips Nv Digitaal-analoog omzetter.
JPS61197732U ( ) * 1985-05-29 1986-12-10
JPH0824264B2 (ja) * 1986-03-17 1996-03-06 株式会社 日立マイコンシステム Ｄ／ａ変換器
JPH077915B2 (ja) * 1986-03-17 1995-01-30 株式会社日立マイコンシステム Ｄ／ａ変換器
US4774497A (en) * 1986-07-10 1988-09-27 Tektronix, Inc. Digital-to-analog converter with gain compensation
US4701694A (en) * 1986-09-08 1987-10-20 Tektronix, Inc. Digitally selectable, multiple current source proportional to a reference current
US4899152A (en) * 1986-12-23 1990-02-06 Analog Devices, Inc. Method and apparatus for temperature compensating a digital to analog converter
FR2620836B1 (fr) * 1987-09-21 1990-01-19 Thomson Semiconducteurs Source d e courant ajustable et convertisseur numerique/analogique a auto-calibration utilisant une telle source
NL8703128A (nl) * 1987-12-24 1989-07-17 Philips Nv Digitaal-analoog-omzetter.
FR2641626B1 (fr) * 1989-01-11 1991-06-14 Sgs Thomson Microelectronics Generateur de tension de reference stable
US5119094A (en) * 1989-11-20 1992-06-02 Analog Devices, Inc. Termination circuit for an r-2r, ladder that compensates for the temperature drift caused by different current densities along the ladder, using one type of biopolar transistor
US5070331A (en) * 1990-03-15 1991-12-03 Analog Devices, Incorporated High resolution D/A converter operable with single supply voltage
EP0448328B1 (en) * 1990-03-20 1995-12-06 Fujitsu Limited Digital-to-analog converter having a circuit for compensating for variation in output dependent on temperature change
US5175550A (en) * 1990-06-19 1992-12-29 Analog Devices, Inc. Repetitive cell matching technique for integrated circuits
JPH04265019A (ja) * 1991-02-20 1992-09-21 Pioneer Electron Corp ディジタル／アナログ変換回路
US5446322A (en) * 1992-05-01 1995-08-29 Analog Devices, Inc. Apparatus and method for determining when the frequency of an alternating signal is below a predetermined threshold
US5394078A (en) * 1993-10-26 1995-02-28 Analog Devices, Inc. Two terminal temperature transducer having circuitry which controls the entire operating current to be linearly proportional with temperature
US5663728A (en) * 1995-05-18 1997-09-02 Hughes Aircraft Company Digital-to-analog converted (DAC) and method that set waveform rise and fall times to produce an analog waveform that approximates a piecewise linear waveform to reduce spectral distortion
US5619430A (en) * 1995-10-10 1997-04-08 Microchip Technology Inc. Microcontroller with on-chip linear temperature sensor
US6299295B1 (en) * 1997-07-03 2001-10-09 Matsushita Electric Industrial Co., Ltd. Ink jet printing head having ink chambers arranged in succession by lamination
FR2784820B1 (fr) * 1998-10-06 2000-12-08 Thomson Multimedia Sa Dispositif amplificateur a gain commandable numeriquement et appareil lecteur de disques optiques incorporant un tel dispositif
US7765095B1 (en) 2000-10-26 2010-07-27 Cypress Semiconductor Corporation Conditional branching in an in-circuit emulation system
US8160864B1 (en) 2000-10-26 2012-04-17 Cypress Semiconductor Corporation In-circuit emulator and pod synchronized boot
US8103496B1 (en) 2000-10-26 2012-01-24 Cypress Semicondutor Corporation Breakpoint control in an in-circuit emulation system
US6798299B1 (en) * 2000-10-26 2004-09-28 Cypress Semiconductor Corporation Crystal-less oscillator circuit with trimmable analog current control for increased stability
US8149048B1 (en) 2000-10-26 2012-04-03 Cypress Semiconductor Corporation Apparatus and method for programmable power management in a programmable analog circuit block
US8176296B2 (en) 2000-10-26 2012-05-08 Cypress Semiconductor Corporation Programmable microcontroller architecture
US6724220B1 (en) 2000-10-26 2004-04-20 Cyress Semiconductor Corporation Programmable microcontroller architecture (mixed analog/digital)
US6842075B2 (en) * 2001-06-06 2005-01-11 Anadigics, Inc. Gain block with stable internal bias from low-voltage power supply
US6753734B2 (en) 2001-06-06 2004-06-22 Anadigics, Inc. Multi-mode amplifier bias circuit
US7406674B1 (en) 2001-10-24 2008-07-29 Cypress Semiconductor Corporation Method and apparatus for generating microcontroller configuration information
US8078970B1 (en) 2001-11-09 2011-12-13 Cypress Semiconductor Corporation Graphical user interface with user-selectable list-box
US8042093B1 (en) 2001-11-15 2011-10-18 Cypress Semiconductor Corporation System providing automatic source code generation for personalization and parameterization of user modules
US6971004B1 (en) 2001-11-19 2005-11-29 Cypress Semiconductor Corp. System and method of dynamically reconfiguring a programmable integrated circuit
US7770113B1 (en) 2001-11-19 2010-08-03 Cypress Semiconductor Corporation System and method for dynamically generating a configuration datasheet
US8069405B1 (en) 2001-11-19 2011-11-29 Cypress Semiconductor Corporation User interface for efficiently browsing an electronic document using data-driven tabs
US7844437B1 (en) * 2001-11-19 2010-11-30 Cypress Semiconductor Corporation System and method for performing next placements and pruning of disallowed placements for programming an integrated circuit
US7774190B1 (en) 2001-11-19 2010-08-10 Cypress Semiconductor Corporation Sleep and stall in an in-circuit emulation system
US8103497B1 (en) 2002-03-28 2012-01-24 Cypress Semiconductor Corporation External interface for event architecture
US7308608B1 (en) 2002-05-01 2007-12-11 Cypress Semiconductor Corporation Reconfigurable testing system and method
US6653961B1 (en) * 2002-05-08 2003-11-25 Analog Devices, Inc. Multiplying digital-to-analog converter structures that reduce signal distortion
US7761845B1 (en) 2002-09-09 2010-07-20 Cypress Semiconductor Corporation Method for parameterizing a user module
US7295049B1 (en) 2004-03-25 2007-11-13 Cypress Semiconductor Corporation Method and circuit for rapid alignment of signals
US8069436B2 (en) 2004-08-13 2011-11-29 Cypress Semiconductor Corporation Providing hardware independence to automate code generation of processing device firmware
US8286125B2 (en) 2004-08-13 2012-10-09 Cypress Semiconductor Corporation Model for a hardware device-independent method of defining embedded firmware for programmable systems
US7332976B1 (en) 2005-02-04 2008-02-19 Cypress Semiconductor Corporation Poly-phase frequency synthesis oscillator
US7400183B1 (en) 2005-05-05 2008-07-15 Cypress Semiconductor Corporation Voltage controlled oscillator delay cell and method
US8089461B2 (en) * 2005-06-23 2012-01-03 Cypress Semiconductor Corporation Touch wake for electronic devices
US8035455B1 (en) 2005-12-21 2011-10-11 Cypress Semiconductor Corporation Oscillator amplitude control network
US8085067B1 (en) 2005-12-21 2011-12-27 Cypress Semiconductor Corporation Differential-to-single ended signal converter circuit and method
US8067948B2 (en) 2006-03-27 2011-11-29 Cypress Semiconductor Corporation Input/output multiplexer bus
TWI363328B (en) * 2007-02-09 2012-05-01 Richtek Technology Corp Circuit and method for matching current channels
US8040266B2 (en) 2007-04-17 2011-10-18 Cypress Semiconductor Corporation Programmable sigma-delta analog-to-digital converter
US8130025B2 (en) * 2007-04-17 2012-03-06 Cypress Semiconductor Corporation Numerical band gap
US7737724B2 (en) 2007-04-17 2010-06-15 Cypress Semiconductor Corporation Universal digital block interconnection and channel routing
US8026739B2 (en) 2007-04-17 2011-09-27 Cypress Semiconductor Corporation System level interconnect with programmable switching
US8516025B2 (en) * 2007-04-17 2013-08-20 Cypress Semiconductor Corporation Clock driven dynamic datapath chaining
US9564902B2 (en) 2007-04-17 2017-02-07 Cypress Semiconductor Corporation Dynamically configurable and re-configurable data path
US8092083B2 (en) 2007-04-17 2012-01-10 Cypress Semiconductor Corporation Temperature sensor with digital bandgap
US8065653B1 (en) 2007-04-25 2011-11-22 Cypress Semiconductor Corporation Configuration of programmable IC design elements
US9720805B1 (en) 2007-04-25 2017-08-01 Cypress Semiconductor Corporation System and method for controlling a target device
US8266575B1 (en) 2007-04-25 2012-09-11 Cypress Semiconductor Corporation Systems and methods for dynamically reconfiguring a programmable system on a chip
US8049569B1 (en) 2007-09-05 2011-11-01 Cypress Semiconductor Corporation Circuit and method for improving the accuracy of a crystal-less oscillator having dual-frequency modes
US9448964B2 (en) 2009-05-04 2016-09-20 Cypress Semiconductor Corporation Autonomous control in a programmable system
US9726696B2 (en) * 2012-09-21 2017-08-08 Matthew Powell Precision reference circuit and related method
GB2568108B (en) 2017-11-07 2021-06-30 Analog Devices Global Current steering digital to analog converter
WO2020129884A1 (ja) * 2018-12-18 2020-06-25 株式会社村田製作所 温度検出回路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6712081A ( ) * 1967-09-02 1969-03-04
US3685045A (en) * 1969-03-24 1972-08-15 Analog Devices Inc Digital-to-analog converters
US3633005A (en) * 1970-02-26 1972-01-04 Ibm A four quadrant multiplier using a single amplifier in a balanced modulator circuit
US3747088A (en) * 1970-12-30 1973-07-17 Analog Devices Inc Solid state digital to analog converter
US3857021A (en) * 1972-04-03 1974-12-24 Hybrid Syst Corp Multiplying current mode digital-to-analog converter
US3842412A (en) * 1972-11-22 1974-10-15 Analog Devices Inc High resolution monolithic digital-to-analog converter
US3961326A (en) * 1974-09-12 1976-06-01 Analog Devices, Inc. Solid state digital to analog converter
US3940760A (en) * 1975-03-21 1976-02-24 Analog Devices, Inc. Digital-to-analog converter with current source transistors operated accurately at different current densities

Also Published As

Publication number Publication date
NL7602941A (nl) 1976-09-23
DE2647132A1 (de) 1977-03-24
FR2305067A1 (fr) 1976-10-15
JPS61210723A (ja) 1986-09-18
SE412150B (sv) 1980-02-18
JPS6238894B2 ( ) 1987-08-20
DE2611858A1 (de) 1977-02-03
JPS6013338B2 (ja) 1985-04-06
JPS51120160A (en) 1976-10-21
GB1537542A (en) 1978-12-29
US3940760A (en) 1976-02-24
DE2611858C2 (de) 1986-06-12
FR2305067B1 ( ) 1981-09-04

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