GB1404559A - Generator for digitally generating electronic waveforms - Google Patents

Generator for digitally generating electronic waveforms

Info

Publication number
GB1404559A
GB1404559A GB5299173A GB5299173A GB1404559A GB 1404559 A GB1404559 A GB 1404559A GB 5299173 A GB5299173 A GB 5299173A GB 5299173 A GB5299173 A GB 5299173A GB 1404559 A GB1404559 A GB 1404559A
Authority
GB
United Kingdom
Prior art keywords
digital
waveform
address
phase
increment
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
GB5299173A
Other languages
English (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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1404559A publication Critical patent/GB1404559A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB5299173A 1972-11-29 1973-11-15 Generator for digitally generating electronic waveforms Expired GB1404559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7243278A FR2208584A5 (xx) 1972-11-29 1972-11-29

Publications (1)

Publication Number Publication Date
GB1404559A true GB1404559A (en) 1975-09-03

Family

ID=9108255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5299173A Expired GB1404559A (en) 1972-11-29 1973-11-15 Generator for digitally generating electronic waveforms

Country Status (4)

Country Link
JP (1) JPS4984712A (xx)
DE (1) DE2358009A1 (xx)
FR (1) FR2208584A5 (xx)
GB (1) GB1404559A (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118384A (en) * 1982-03-26 1983-10-26 Plessey Co Plc Digital amplitude modulator
GB2148061A (en) * 1983-10-07 1985-05-22 Sony Corp Signal generators using digital memories
GB2167888A (en) * 1982-12-17 1986-06-04 Casio Computer Co Ltd Electronic musical instrument
GB2194864A (en) * 1986-09-02 1988-03-16 Us Energy Digitally programmable signal generator
GB2239140A (en) * 1989-12-16 1991-06-19 Motorola Israel Ltd Signal generator
USRE34481E (en) * 1982-12-17 1993-12-21 Casio Computer Co., Ltd. Electronic musical instrument

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488435A (en) * 1974-11-21 1977-10-12 Ibm Multi-line multi-mode modulator
FR2322492A1 (fr) * 1975-08-29 1977-03-25 Cit Alcatel Dispositif numerique de generation d'une onde modulee en phase par un signal de donnees et filtree
US4061886A (en) * 1975-09-29 1977-12-06 Mostek Corporation Dual tone multiple frequency generator
US4008373A (en) * 1975-10-03 1977-02-15 Motorola, Inc. Digital differential phase shift keyed modulator
JPS52127740A (en) * 1976-04-19 1977-10-26 Chubu Nippon Housou Kk Phase modulating system
US4142245A (en) * 1977-08-22 1979-02-27 Texas Instruments Incorporated Multi-frequency digital wave synthesizer for providing analog output signals
CH636485A5 (en) * 1978-06-26 1983-05-31 Landis & Gyr Ag Signal generator for generating sinusoidal output signals with predetermined mutual phase angle, and use thereof as three-phase generator for calibrating electricity meters
JPS5586250A (en) * 1978-12-25 1980-06-28 Fujitsu Ltd Carrier generator
DE3048155C2 (de) * 1980-12-19 1986-01-02 Siemens AG, 1000 Berlin und 8000 München Funksystem
US4620294A (en) * 1983-09-09 1986-10-28 Cts Corporation Digital signal processor modem
JPS60113556A (ja) * 1983-11-24 1985-06-20 Fujitsu Ltd ディジタルｆｓｋ信号発生装置
DE3829985C2 (de) * 1988-09-03 1995-05-11 Fraunhofer Ges Forschung Digitaler Synthesizer

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118384A (en) * 1982-03-26 1983-10-26 Plessey Co Plc Digital amplitude modulator
GB2167888A (en) * 1982-12-17 1986-06-04 Casio Computer Co Ltd Electronic musical instrument
US4658691A (en) * 1982-12-17 1987-04-21 Casio Computer Co., Ltd. Electronic musical instrument
USRE34481E (en) * 1982-12-17 1993-12-21 Casio Computer Co., Ltd. Electronic musical instrument
GB2148061A (en) * 1983-10-07 1985-05-22 Sony Corp Signal generators using digital memories
US4701871A (en) * 1983-10-07 1987-10-20 Sony Corporation Signal generator using digital memory
GB2194864A (en) * 1986-09-02 1988-03-16 Us Energy Digitally programmable signal generator
GB2194864B (en) * 1986-09-02 1990-10-10 Us Energy Digitally programmable signal generator and method
GB2239140A (en) * 1989-12-16 1991-06-19 Motorola Israel Ltd Signal generator
GB2239140B (en) * 1989-12-16 1993-12-22 Motorola Israel Ltd A signal generator

Also Published As

Publication number Publication date
DE2358009A1 (de) 1974-05-30
FR2208584A5 (xx) 1974-06-21
JPS4984712A (xx) 1974-08-14

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Legal Events

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