FI922989A0 - Digitalisk sigma-delta modulator och aritmetisk spillskyddad adderare. - Google Patents
Digitalisk sigma-delta modulator och aritmetisk spillskyddad adderare.Info
- Publication number
- FI922989A0 FI922989A0 FI922989A FI922989A FI922989A0 FI 922989 A0 FI922989 A0 FI 922989A0 FI 922989 A FI922989 A FI 922989A FI 922989 A FI922989 A FI 922989A FI 922989 A0 FI922989 A0 FI 922989A0
- Authority
- FI
- Finland
- Prior art keywords
- spillskyddad
- adderare
- aritmetic
- delta modulator
- digital sigma
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/50—Adding; Subtracting
- G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/499—Denomination or exception handling, e.g. rounding or overflow
- G06F7/49905—Exception handling
- G06F7/4991—Overflow or underflow
- G06F7/49921—Saturation, i.e. clipping the result to a minimum or maximum value
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M7/3028—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
- H03M7/3033—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs
- H03M7/304—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- Mathematical Optimization (AREA)
- General Engineering & Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91870103A EP0531604B1 (en) | 1991-06-28 | 1991-06-28 | Digital sigma-delta modulator |
Publications (2)
Publication Number | Publication Date |
---|---|
FI922989A0 true FI922989A0 (fi) | 1992-06-26 |
FI922989A FI922989A (fi) | 1992-12-29 |
Family
ID=8209024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI922989A FI922989A (fi) | 1991-06-28 | 1992-06-26 | Digitalisk sigma-delta modulator och aritmetisk spillskyddad adderare |
Country Status (8)
Country | Link |
---|---|
US (1) | US5325399A (fi) |
EP (1) | EP0531604B1 (fi) |
JP (1) | JPH05206958A (fi) |
CA (1) | CA2072526C (fi) |
DE (1) | DE69124238T2 (fi) |
ES (1) | ES2099153T3 (fi) |
FI (1) | FI922989A (fi) |
NO (1) | NO922305L (fi) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0702465A1 (fr) * | 1994-09-13 | 1996-03-20 | T.R.T. Telecommunications Radioelectriques Et Telephoniques | Système de transmission et équipement de multiplexage-démultiplexage impliquant un flux d'éléments binaires pouvant être justifié |
US5742246A (en) * | 1996-03-22 | 1998-04-21 | National Science Council | Stabilizing mechanism for sigma-delta modulator |
US5815102A (en) * | 1996-06-12 | 1998-09-29 | Audiologic, Incorporated | Delta sigma pwm dac to reduce switching |
DE69723073D1 (de) * | 1997-09-19 | 2003-07-31 | St Microelectronics Srl | Tiefpassfilter mit mehreren Übertragungsraten mit geschalteten Kondensatoren und doppelter Signalabtastung für sigma-delta Digital-/Analog-Wandler |
US5896056A (en) * | 1997-12-01 | 1999-04-20 | Texmate, Inc. | Root-mean-square converter method and circuit |
JP2000022544A (ja) * | 1998-07-01 | 2000-01-21 | Mitsubishi Electric Corp | D/a変換装置 |
US7046098B2 (en) * | 2001-11-27 | 2006-05-16 | Texas Instruments Incorporated | All-digital frequency synthesis with capacitive re-introduction of dithered tuning information |
CN101145786B (zh) * | 2006-09-15 | 2012-02-08 | 普诚科技股份有限公司 | 使用分时结构的积分三角电路及其相关方法 |
US7528755B2 (en) * | 2007-09-06 | 2009-05-05 | Infineon Technologies Ag | Sigma-delta modulator for operating sensors |
US8615540B2 (en) | 2009-07-24 | 2013-12-24 | Honeywell International Inc. | Arithmetic logic unit for use within a flight control system |
EP3681039A1 (en) | 2019-01-09 | 2020-07-15 | NXP USA, Inc. | Apparatuses and methods invovling independent modulations of a digital clock signal for different frequency domains |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5382219A (en) * | 1976-12-28 | 1978-07-20 | Nec Corp | Television signal coding unit |
US4528551A (en) * | 1979-11-28 | 1985-07-09 | International Telephone And Telegraph Corporation | Digital to analog converter employing sigma-delta modulation for use in telephone systems |
JPH01233921A (ja) * | 1988-03-15 | 1989-09-19 | Toshiba Corp | △−σ変調器を用いたa/d変換回路 |
-
1991
- 1991-06-28 ES ES91870103T patent/ES2099153T3/es not_active Expired - Lifetime
- 1991-06-28 DE DE69124238T patent/DE69124238T2/de not_active Expired - Fee Related
- 1991-06-28 EP EP91870103A patent/EP0531604B1/en not_active Expired - Lifetime
-
1992
- 1992-05-05 US US07/878,120 patent/US5325399A/en not_active Expired - Fee Related
- 1992-06-11 NO NO92922305A patent/NO922305L/no unknown
- 1992-06-26 FI FI922989A patent/FI922989A/fi unknown
- 1992-06-26 JP JP4169285A patent/JPH05206958A/ja active Pending
- 1992-06-26 CA CA002072526A patent/CA2072526C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH05206958A (ja) | 1993-08-13 |
CA2072526A1 (en) | 1992-12-29 |
NO922305L (no) | 1992-12-29 |
DE69124238T2 (de) | 1997-07-03 |
DE69124238D1 (de) | 1997-02-27 |
ES2099153T3 (es) | 1997-05-16 |
CA2072526C (en) | 1998-02-24 |
NO922305D0 (no) | 1992-06-11 |
US5325399A (en) | 1994-06-28 |
EP0531604A1 (en) | 1993-03-17 |
FI922989A (fi) | 1992-12-29 |
EP0531604B1 (en) | 1997-01-15 |
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