DE69226752D1 - Digital-Analogwandler mit Nullpunktabgleich - Google Patents

Digital-Analogwandler mit Nullpunktabgleich

Info

Publication number
DE69226752D1
DE69226752D1 DE69226752T DE69226752T DE69226752D1 DE 69226752 D1 DE69226752 D1 DE 69226752D1 DE 69226752 T DE69226752 T DE 69226752T DE 69226752 T DE69226752 T DE 69226752T DE 69226752 D1 DE69226752 D1 DE 69226752D1
Authority
DE
Germany
Prior art keywords
digital
analog converter
zero point
point adjustment
adjustment
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
Application number
DE69226752T
Other languages
English (en)
Other versions
DE69226752T2 (de
Inventor
Risto Vaeisaenen
Jukka Sarasmo
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Application granted granted Critical
Publication of DE69226752D1 publication Critical patent/DE69226752D1/de
Publication of DE69226752T2 publication Critical patent/DE69226752T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmitters (AREA)
DE69226752T 1991-11-08 1992-11-04 Digital-Analogwandler mit Nullpunktabgleich Expired - Lifetime DE69226752T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI915288A FI95853C (fi) 1991-11-08 1991-11-08 Menetelmä D/A-muuntimen offset-jännitteiden vaihteluiden vaikutuksen korjaamiseksi muuntimen lähtöjännitteestä

Publications (2)

Publication Number Publication Date
DE69226752D1 true DE69226752D1 (de) 1998-10-01
DE69226752T2 DE69226752T2 (de) 1999-02-11

Family

ID=8533461

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69226752T Expired - Lifetime DE69226752T2 (de) 1991-11-08 1992-11-04 Digital-Analogwandler mit Nullpunktabgleich

Country Status (5)

Country Link
US (1) US5311179A (de)
EP (1) EP0541351B1 (de)
JP (1) JP3369609B2 (de)
DE (1) DE69226752T2 (de)
FI (1) FI95853C (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2966226B2 (ja) * 1993-02-17 1999-10-25 三菱電機株式会社 電力増幅器自動制御回路
FI96811C (fi) * 1993-11-30 1996-08-26 Nokia Mobile Phones Ltd Menetelmä ja piirijärjestely D/A-muuntimen DC-erojännitteen kompensoimiseksi
FI98020C (fi) * 1995-06-06 1997-03-25 Nokia Mobile Phones Ltd Digitaalisen signaalin modulointimenetelmä ja modulaattori
FI101027B (fi) * 1996-01-05 1998-03-31 Nokia Mobile Phones Ltd Multipleksoitu signaalimuunnos
GB2330707B (en) 1997-10-23 2001-10-24 Nokia Mobile Phones Ltd Digital to analogue converter
FI105428B (fi) * 1998-05-13 2000-08-15 Nokia Mobile Phones Ltd Menetelmä rinnakkais-A/D-muunnoksen virheen korjaamiseksi, korjain ja rinnakkais-A/D-muunnin
FI120124B (fi) 1998-05-29 2009-06-30 Nokia Corp Menetelmä ja piiri signaalin näytteistämiseksi suurella näytteistystaajuudella
DE10137234A1 (de) * 2001-07-30 2003-02-20 Infineon Technologies Ag Vorrichtung und Verfahren zur Offset-Kalibrierung des Leistungssteuersignals von Funkgeräten

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027352A (en) * 1989-01-05 1991-06-25 Motorola, Inc. Receiver frequency offset bias circuit for TDM radios
US4965669A (en) * 1989-04-12 1990-10-23 Rca Licensing Corporation Apparatus for digitally controlling the D.C. value of a processed signal
FI87028C (fi) * 1989-12-22 1992-11-10 Nokia Mobile Phones Ltd Metod foer att reglera effekt hos en spaenningsstyrd effektfoerstaerkare och koppling foer anvaendning i metoden

Also Published As

Publication number Publication date
EP0541351B1 (de) 1998-08-26
DE69226752T2 (de) 1999-02-11
FI95853C (fi) 1996-03-25
EP0541351A3 (de) 1995-07-12
EP0541351A2 (de) 1993-05-12
FI915288A (fi) 1993-05-09
JPH05235760A (ja) 1993-09-10
JP3369609B2 (ja) 2003-01-20
FI915288A0 (fi) 1991-11-08
FI95853B (fi) 1995-12-15
US5311179A (en) 1994-05-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN