GB2064276B - Analogue to digital converters - Google Patents

Analogue to digital converters

Info

Publication number
GB2064276B
GB2064276B GB7847162A GB7847162A GB2064276B GB 2064276 B GB2064276 B GB 2064276B GB 7847162 A GB7847162 A GB 7847162A GB 7847162 A GB7847162 A GB 7847162A GB 2064276 B GB2064276 B GB 2064276B
Authority
GB
United Kingdom
Prior art keywords
analogue
digital converters
converters
digital
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
Application number
GB7847162A
Other versions
GB2064276A (en
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB7847162A priority Critical patent/GB2064276B/en
Priority to AU53246/79A priority patent/AU523624B2/en
Priority to MX180226A priority patent/MX147431A/en
Priority to AR279085A priority patent/AR222845A1/en
Priority to NZ192278A priority patent/NZ192278A/en
Priority to BR7907820A priority patent/BR7907820A/en
Priority to DE19792948438 priority patent/DE2948438A1/en
Priority to NL7908741A priority patent/NL7908741A/en
Priority to CH1077579A priority patent/CH642206A5/en
Priority to ES486610A priority patent/ES486610A1/en
Priority to JP54156940A priority patent/JPS6031411B2/en
Priority to FR7929870A priority patent/FR2443768A1/en
Publication of GB2064276A publication Critical patent/GB2064276A/en
Application granted granted Critical
Publication of GB2064276B publication Critical patent/GB2064276B/en
Expired legal-status Critical Current

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
GB7847162A 1978-12-05 1978-12-05 Analogue to digital converters Expired GB2064276B (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB7847162A GB2064276B (en) 1978-12-05 1978-12-05 Analogue to digital converters
AU53246/79A AU523624B2 (en) 1978-12-05 1979-11-28 Pcm encoder with digital filter
MX180226A MX147431A (en) 1978-12-05 1979-11-28 IMPROVEMENTS IN ANALOG TO DIGITAL CONVERTER
AR279085A AR222845A1 (en) 1978-12-05 1979-11-29 IMPROVEMENT OF PCM CODED DEVICES FOR ANALOG SIGNALS
NZ192278A NZ192278A (en) 1978-12-05 1979-11-29 Pcm encoder dc offset to reduce idle noise
BR7907820A BR7907820A (en) 1978-12-05 1979-11-30 PCM CODING ARRANGEMENT
DE19792948438 DE2948438A1 (en) 1978-12-05 1979-12-01 PCM ENCODER
NL7908741A NL7908741A (en) 1978-12-05 1979-12-04 ANALOG-DIGITAL CONVERTER.
CH1077579A CH642206A5 (en) 1978-12-05 1979-12-05 PCM coding arrangement
ES486610A ES486610A1 (en) 1978-12-05 1979-12-05 Analogue to digital converters
JP54156940A JPS6031411B2 (en) 1978-12-05 1979-12-05 Analog-digital converter
FR7929870A FR2443768A1 (en) 1978-12-05 1979-12-05 DIGITAL ANALOG CONVERTER

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 (2)

Publication Number Publication Date
GB2064276A GB2064276A (en) 1981-06-10
GB2064276B true GB2064276B (en) 1982-09-08

Family

ID=10501512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7847162A Expired GB2064276B (en) 1978-12-05 1978-12-05 Analogue to digital converters

Country Status (12)

Country Link
JP (1) JPS6031411B2 (en)
AR (1) AR222845A1 (en)
AU (1) AU523624B2 (en)
BR (1) BR7907820A (en)
CH (1) CH642206A5 (en)
DE (1) DE2948438A1 (en)
ES (1) ES486610A1 (en)
FR (1) FR2443768A1 (en)
GB (1) GB2064276B (en)
MX (1) MX147431A (en)
NL (1) NL7908741A (en)
NZ (1) NZ192278A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638006A1 (en) * 1986-11-07 1988-05-19 Ant Nachrichtentech METHOD FOR THE DYNAMIC ENLARGEMENT OF A DIGITALLY PROCESSED PCM SIGNAL
JPH02209017A (en) * 1989-02-09 1990-08-20 Matsushita Electric Ind Co Ltd A/d converter
JPH0479523A (en) * 1990-07-20 1992-03-12 Fujitsu Ltd Offset compensation system for pcm channel unit
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
NL7908741A (en) 1980-06-09
AU523624B2 (en) 1982-08-05
BR7907820A (en) 1980-07-29
GB2064276A (en) 1981-06-10
FR2443768B1 (en) 1985-02-22
MX147431A (en) 1982-12-02
JPS6031411B2 (en) 1985-07-22
FR2443768A1 (en) 1980-07-04
DE2948438A1 (en) 1980-06-19
JPS5580940A (en) 1980-06-18
AU5324679A (en) 1980-06-12
ES486610A1 (en) 1980-06-16
AR222845A1 (en) 1981-06-30
CH642206A5 (en) 1984-03-30
NZ192278A (en) 1982-05-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee