FI915288A0 - Menetelmä D/A-muuntimen offset-jännitteiden vaihteluiden vaikutuksen korjaamiseksi muuntimen lähtöjännitteestä - Google Patents
Menetelmä D/A-muuntimen offset-jännitteiden vaihteluiden vaikutuksen korjaamiseksi muuntimen lähtöjännitteestäInfo
- Publication number
- FI915288A0 FI915288A0 FI915288A FI915288A FI915288A0 FI 915288 A0 FI915288 A0 FI 915288A0 FI 915288 A FI915288 A FI 915288A FI 915288 A FI915288 A FI 915288A FI 915288 A0 FI915288 A0 FI 915288A0
- Authority
- FI
- Finland
- Prior art keywords
- converter
- correcting
- effect
- output voltage
- offset voltage
- Prior art date
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)
Priority Applications (5)
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 |
US07/970,281 US5311179A (en) | 1991-11-08 | 1992-10-30 | Method for amending the effect of offset voltage variations from the output voltage in a D/A converter |
EP92310102A EP0541351B1 (en) | 1991-11-08 | 1992-11-04 | D/A converter offset correction |
DE69226752T DE69226752T2 (de) | 1991-11-08 | 1992-11-04 | Digital-Analogwandler mit Nullpunktabgleich |
JP29886792A JP3369609B2 (ja) | 1991-11-08 | 1992-11-09 | ディジタル/アナログ変換器からの出力信号のオフセットを補正するための回路装置 |
Applications Claiming Priority (2)
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 |
FI915288 | 1991-11-08 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI915288A0 true FI915288A0 (fi) | 1991-11-08 |
FI915288A FI915288A (fi) | 1993-05-09 |
FI95853B FI95853B (fi) | 1995-12-15 |
FI95853C FI95853C (fi) | 1996-03-25 |
Family
ID=8533461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI915288A FI95853C (fi) | 1991-11-08 | 1991-11-08 | Menetelmä D/A-muuntimen offset-jännitteiden vaihteluiden vaikutuksen korjaamiseksi muuntimen lähtöjännitteestä |
Country Status (5)
Country | Link |
---|---|
US (1) | US5311179A (fi) |
EP (1) | EP0541351B1 (fi) |
JP (1) | JP3369609B2 (fi) |
DE (1) | DE69226752T2 (fi) |
FI (1) | FI95853C (fi) |
Families Citing this family (8)
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)
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 |
-
1991
- 1991-11-08 FI FI915288A patent/FI95853C/fi not_active IP Right Cessation
-
1992
- 1992-10-30 US US07/970,281 patent/US5311179A/en not_active Expired - Lifetime
- 1992-11-04 DE DE69226752T patent/DE69226752T2/de not_active Expired - Lifetime
- 1992-11-04 EP EP92310102A patent/EP0541351B1/en not_active Expired - Lifetime
- 1992-11-09 JP JP29886792A patent/JP3369609B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0541351B1 (en) | 1998-08-26 |
DE69226752T2 (de) | 1999-02-11 |
FI95853C (fi) | 1996-03-25 |
EP0541351A3 (fi) | 1995-07-12 |
EP0541351A2 (en) | 1993-05-12 |
FI915288A (fi) | 1993-05-09 |
JPH05235760A (ja) | 1993-09-10 |
JP3369609B2 (ja) | 2003-01-20 |
FI95853B (fi) | 1995-12-15 |
DE69226752D1 (de) | 1998-10-01 |
US5311179A (en) | 1994-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MM | Patent lapsed |