GB2071966B - Converter included in a phase modulator - Google Patents

Converter included in a phase modulator

Info

Publication number
GB2071966B
GB2071966B GB8115203A GB8115203A GB2071966B GB 2071966 B GB2071966 B GB 2071966B GB 8115203 A GB8115203 A GB 8115203A GB 8115203 A GB8115203 A GB 8115203A GB 2071966 B GB2071966 B GB 2071966B
Authority
GB
United Kingdom
Prior art keywords
phase modulator
converter included
converter
modulator
phase
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
GB8115203A
Other versions
GB2071966A (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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB2071966A publication Critical patent/GB2071966A/en
Application granted granted Critical
Publication of GB2071966B publication Critical patent/GB2071966B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
GB8115203A 1979-06-08 1979-06-08 Converter included in a phase modulator Expired GB2071966B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1979/000130 WO1980002900A1 (en) 1979-06-08 1979-06-08 Converter included in a phase modulator

Publications (2)

Publication Number Publication Date
GB2071966A GB2071966A (en) 1981-09-23
GB2071966B true GB2071966B (en) 1983-10-26

Family

ID=20336957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8115203A Expired GB2071966B (en) 1979-06-08 1979-06-08 Converter included in a phase modulator

Country Status (5)

Country Link
JP (1) JPS5635560A (en)
CH (1) CH654155A5 (en)
DE (1) DE2953707A1 (en)
GB (1) GB2071966B (en)
WO (1) WO1980002900A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029691U (en) * 1983-08-02 1985-02-28 武藤工業株式会社 Tail roller support device for rail type flexible parallel rulers, etc.
US5027372A (en) * 1987-03-04 1991-06-25 National Semiconductor Corp. Differential phase shift keying modulator
US5121412A (en) * 1989-01-03 1992-06-09 Motorola, Inc. All-digital quadrature modulator
DE3939259A1 (en) * 1989-11-28 1991-05-29 Rohde & Schwarz FREQUENCY MODULABLE FREQUENCY GENERATOR
KR100207594B1 (en) * 1993-03-30 1999-07-15 윤종용 Method and apparatus for quadrature phase shift-keying modulation with automatic coding
JP3183747B2 (en) * 1993-04-14 2001-07-09 松下電器産業株式会社 Digital signal transmission method, digital signal transmission device, and digital signal transmission waveform
FR2777145B1 (en) 1998-04-02 2000-04-28 Alsthom Cge Alcatel BROADBAND MULTI-CARRIER MODULATOR AND CORRESPONDING PROGRAMMING METHOD

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2110845A5 (en) * 1970-10-29 1972-06-02 Ibm France
GB1488435A (en) * 1974-11-21 1977-10-12 Ibm Multi-line multi-mode modulator
NL7709917A (en) * 1977-09-09 1979-03-13 Philips Nv SYSTEM FOR DATA TRANSMISSION USING AN ANGLE MODULATED CARRIER OF CONSTANT AMPLITUDE.

Also Published As

Publication number Publication date
WO1980002900A1 (en) 1980-12-24
DE2953707A1 (en) 1982-02-25
GB2071966A (en) 1981-09-23
CH654155A5 (en) 1986-01-31
JPS5635560A (en) 1981-04-08

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990607