IT1054867B - DIGITAL HALOG CONVERTER FOR PULSE CODED MODULATED SIGNALS - Google Patents

DIGITAL HALOG CONVERTER FOR PULSE CODED MODULATED SIGNALS

Info

Publication number
IT1054867B
IT1054867B IT20224/76A IT2022476A IT1054867B IT 1054867 B IT1054867 B IT 1054867B IT 20224/76 A IT20224/76 A IT 20224/76A IT 2022476 A IT2022476 A IT 2022476A IT 1054867 B IT1054867 B IT 1054867B
Authority
IT
Italy
Prior art keywords
halog
converter
digital
modulated signals
pulse coded
Prior art date
Application number
IT20224/76A
Other languages
Italian (it)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1054867B publication Critical patent/IT1054867B/en

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
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
    • 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
    • H03M7/3042—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 being of the error feedback type, i.e. having loop filter stages in the feedback path only
    • 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
    • H03M7/3026—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 multiple bit one
IT20224/76A 1975-02-20 1976-02-17 DIGITAL HALOG CONVERTER FOR PULSE CODED MODULATED SIGNALS IT1054867B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB715775A GB1444216A (en) 1975-02-20 1975-02-20 D/a converter for pcm

Publications (1)

Publication Number Publication Date
IT1054867B true IT1054867B (en) 1981-11-30

Family

ID=9827708

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20224/76A IT1054867B (en) 1975-02-20 1976-02-17 DIGITAL HALOG CONVERTER FOR PULSE CODED MODULATED SIGNALS

Country Status (19)

Country Link
JP (1) JPS51135354A (en)
AR (1) AR212019A1 (en)
AT (1) AT377397B (en)
AU (1) AU497002B2 (en)
BE (1) BE838666A (en)
BR (1) BR7601013A (en)
CA (1) CA1093697A (en)
CH (1) CH607456A5 (en)
DE (1) DE2605724C2 (en)
DK (1) DK148866C (en)
ES (1) ES445387A1 (en)
FR (1) FR2301971A1 (en)
GB (1) GB1444216A (en)
IN (1) IN143625B (en)
IT (1) IT1054867B (en)
NL (1) NL7601414A (en)
NO (1) NO143776C (en)
SE (1) SE410929B (en)
SU (1) SU1132805A3 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228205A (en) * 1975-08-28 1977-03-03 Sony Corp Station selector unit
GB1580447A (en) * 1976-12-01 1980-12-03 Post Office Code converters
NL7801909A (en) * 1978-02-21 1979-08-23 Philips Nv DEVICE FOR DECODING A SIGNAL CODED WITH ADAPTIVE DELTA MODULATION.
DE3021012C2 (en) * 1980-06-03 1985-08-22 ANT Nachrichtentechnik GmbH, 7150 Backnang Generalized interpolative method for the digital-analog conversion of PCM signals
US4313173A (en) * 1980-06-10 1982-01-26 Bell Telephone Laboratories, Incorporated Linear interpolator
GB2107949B (en) * 1981-10-15 1985-04-11 Standard Telephones Cables Ltd Digital decoder
DE3203012A1 (en) * 1982-01-29 1983-08-04 Siemens AG, 1000 Berlin und 8000 München Method and circuit arrangement for generating interpolation values between stored samples
US4786923A (en) * 1982-09-07 1988-11-22 Canon Kabushiki Kaisha Image recording system for image recording in response to signals entered from a recording information generating unit
EP0437301A3 (en) * 1983-07-29 1991-09-25 Burr-Brown Corporation Apparatus and methods for digital-to-analogue conversion
USRE34660E (en) * 1983-07-29 1994-07-12 Burr-Brown Corporation Apparatus and methods for digital-to-analog conversion using modified LSB switching
JPS60106229A (en) * 1983-11-14 1985-06-11 Rohm Co Ltd D/a converting circuit of digital pwm circuit
JPS6184118A (en) * 1984-10-02 1986-04-28 Canon Inc Digital-analog converter
DE3535021A1 (en) * 1984-10-02 1986-04-17 Canon K.K., Tokio/Tokyo DIGITAL / ANALOG CONVERSION DEVICE
JPS6184120A (en) * 1984-10-02 1986-04-28 Canon Inc Digital-analog converter
JPH0824267B2 (en) * 1984-10-02 1996-03-06 キヤノン株式会社 Data processing device
JPS6184119A (en) * 1984-10-02 1986-04-28 Canon Inc Digital-analog converter
JPS6184117A (en) * 1984-10-02 1986-04-28 Canon Inc Digital-analog converter
GB2183115A (en) * 1985-11-15 1987-05-28 Philips Electronic Associated Digital to analogue converter
DE3709207A1 (en) * 1987-02-28 1988-09-08 Standard Elektrik Lorenz Ag CIRCUIT ARRANGEMENT FOR CONVERTING DIGITAL TONE SIGNAL VALUES TO ANALOG TONE
GB9103777D0 (en) 1991-02-22 1991-04-10 B & W Loudspeakers Analogue and digital convertors
GB2319411B (en) * 1996-11-18 2000-11-15 Fujitsu Ltd Modem signal transmission and/or reception apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110894A (en) * 1959-04-09 1963-11-12 Itt Digital-to-analog converter
US3532864A (en) * 1967-08-08 1970-10-06 United Aircraft Corp Linear interpolation function generation

Also Published As

Publication number Publication date
DE2605724C2 (en) 1986-01-23
GB1444216A (en) 1976-07-28
BR7601013A (en) 1976-09-14
NO143776C (en) 1981-04-08
SU1132805A3 (en) 1984-12-30
AU497002B2 (en) 1978-11-16
SE7601666L (en) 1976-08-23
NL7601414A (en) 1976-08-24
SE410929B (en) 1979-11-12
ATA121476A (en) 1984-07-15
ES445387A1 (en) 1977-06-16
BE838666A (en) 1976-08-18
CA1093697A (en) 1981-01-13
DK64976A (en) 1976-08-21
AR212019A1 (en) 1978-04-28
AT377397B (en) 1985-03-11
JPS51135354A (en) 1976-11-24
JPS5542774B2 (en) 1980-11-01
NO760428L (en) 1976-08-23
IN143625B (en) 1978-01-07
FR2301971B1 (en) 1982-07-23
DE2605724A1 (en) 1976-09-02
AU1110076A (en) 1977-08-18
DK148866B (en) 1985-10-28
CH607456A5 (en) 1978-12-29
NO143776B (en) 1980-12-29
DK148866C (en) 1986-04-21
FR2301971A1 (en) 1976-09-17

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