ES486610A1 - Un convertidor de analogico a digital - Google Patents
Un convertidor de analogico a digitalInfo
- Publication number
- ES486610A1 ES486610A1 ES486610A ES486610A ES486610A1 ES 486610 A1 ES486610 A1 ES 486610A1 ES 486610 A ES486610 A ES 486610A ES 486610 A ES486610 A ES 486610A ES 486610 A1 ES486610 A1 ES 486610A1
- Authority
- ES
- Spain
- Prior art keywords
- offset
- analogue
- digital converters
- pass filter
- high pass
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
-
- 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
- H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth
- H04B14/048—Non linear compression or expansion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Un convertidor de analógico a digital para codificación MIC, que produce grupos en código de impulsos que contiene cada uno un primer número de bits (impulsos) un filtro paso alto digital al que se aplica la salida del convertidor, y elementos para agregar a la salida del filtro una cantidad determinada de desviación dc.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7847162A GB2064276B (en) | 1978-12-05 | 1978-12-05 | Analogue to digital converters |
Publications (1)
Publication Number | Publication Date |
---|---|
ES486610A1 true ES486610A1 (es) | 1980-06-16 |
Family
ID=10501512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES486610A Expired ES486610A1 (es) | 1978-12-05 | 1979-12-05 | Un convertidor de analogico a digital |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS6031411B2 (es) |
AR (1) | AR222845A1 (es) |
AU (1) | AU523624B2 (es) |
BR (1) | BR7907820A (es) |
CH (1) | CH642206A5 (es) |
DE (1) | DE2948438A1 (es) |
ES (1) | ES486610A1 (es) |
FR (1) | FR2443768A1 (es) |
GB (1) | GB2064276B (es) |
MX (1) | MX147431A (es) |
NL (1) | NL7908741A (es) |
NZ (1) | NZ192278A (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3638006A1 (de) * | 1986-11-07 | 1988-05-19 | Ant Nachrichtentech | Verfahren zur dynamikvergroesserung eines digital verarbeiteten pcm-signales |
JPH02209017A (ja) * | 1989-02-09 | 1990-08-20 | Matsushita Electric Ind Co Ltd | A/d変換装置 |
JPH0479523A (ja) * | 1990-07-20 | 1992-03-12 | Fujitsu Ltd | Pcmチャネルユニットのオフセット補償方式 |
WO2000007178A1 (en) * | 1998-07-31 | 2000-02-10 | Conexant Systems, Inc. | Method and apparatus for noise elimination through transformation of the output of the speech decoder |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3904963A (en) * | 1969-08-06 | 1975-09-09 | Trt Telecom Radio Electr | System for the transmission of analog signals by means of pulse code modulation using non-recursive filters |
GB1580447A (en) * | 1976-12-01 | 1980-12-03 | Post Office | Code converters |
-
1978
- 1978-12-05 GB GB7847162A patent/GB2064276B/en not_active Expired
-
1979
- 1979-11-28 MX MX180226A patent/MX147431A/es unknown
- 1979-11-28 AU AU53246/79A patent/AU523624B2/en not_active Ceased
- 1979-11-29 AR AR279085A patent/AR222845A1/es active
- 1979-11-29 NZ NZ192278A patent/NZ192278A/xx unknown
- 1979-11-30 BR BR7907820A patent/BR7907820A/pt unknown
- 1979-12-01 DE DE19792948438 patent/DE2948438A1/de not_active Withdrawn
- 1979-12-04 NL NL7908741A patent/NL7908741A/nl not_active Application Discontinuation
- 1979-12-05 ES ES486610A patent/ES486610A1/es not_active Expired
- 1979-12-05 CH CH1077579A patent/CH642206A5/de not_active IP Right Cessation
- 1979-12-05 FR FR7929870A patent/FR2443768A1/fr active Granted
- 1979-12-05 JP JP54156940A patent/JPS6031411B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR7907820A (pt) | 1980-07-29 |
GB2064276A (en) | 1981-06-10 |
FR2443768A1 (fr) | 1980-07-04 |
JPS5580940A (en) | 1980-06-18 |
AU523624B2 (en) | 1982-08-05 |
GB2064276B (en) | 1982-09-08 |
AR222845A1 (es) | 1981-06-30 |
NZ192278A (en) | 1982-05-25 |
FR2443768B1 (es) | 1985-02-22 |
AU5324679A (en) | 1980-06-12 |
NL7908741A (nl) | 1980-06-09 |
CH642206A5 (en) | 1984-03-30 |
MX147431A (es) | 1982-12-02 |
DE2948438A1 (de) | 1980-06-19 |
JPS6031411B2 (ja) | 1985-07-22 |
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