GB2353677B - Digital modulator - Google Patents

Digital modulator

Info

Publication number
GB2353677B
GB2353677B GB9919779A GB9919779A GB2353677B GB 2353677 B GB2353677 B GB 2353677B GB 9919779 A GB9919779 A GB 9919779A GB 9919779 A GB9919779 A GB 9919779A GB 2353677 B GB2353677 B GB 2353677B
Authority
GB
United Kingdom
Prior art keywords
digital modulator
modulator
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 - Fee Related
Application number
GB9919779A
Other versions
GB2353677A (en
GB9919779D0 (en
Inventor
Albert Shyu
Sheng-When Shyue
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.)
Winbond Electronics Corp
Original Assignee
Winbond Electronics 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 Winbond Electronics Corp filed Critical Winbond Electronics Corp
Priority to GB9919779A priority Critical patent/GB2353677B/en
Publication of GB9919779D0 publication Critical patent/GB9919779D0/en
Publication of GB2353677A publication Critical patent/GB2353677A/en
Application granted granted Critical
Publication of GB2353677B publication Critical patent/GB2353677B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
GB9919779A 1999-08-21 1999-08-21 Digital modulator Expired - Fee Related GB2353677B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9919779A GB2353677B (en) 1999-08-21 1999-08-21 Digital modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9919779A GB2353677B (en) 1999-08-21 1999-08-21 Digital modulator

Publications (3)

Publication Number Publication Date
GB9919779D0 GB9919779D0 (en) 1999-10-27
GB2353677A GB2353677A (en) 2001-02-28
GB2353677B true GB2353677B (en) 2002-03-20

Family

ID=10859539

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9919779A Expired - Fee Related GB2353677B (en) 1999-08-21 1999-08-21 Digital modulator

Country Status (1)

Country Link
GB (1) GB2353677B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487089A (en) * 1992-02-17 1996-01-23 Matsushita Electric Industrial Co., Ltd. Nyquist filter for digital modulation
EP0851579A2 (en) * 1996-12-16 1998-07-01 Texas Instruments Incorporated A digital filter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487089A (en) * 1992-02-17 1996-01-23 Matsushita Electric Industrial Co., Ltd. Nyquist filter for digital modulation
EP0851579A2 (en) * 1996-12-16 1998-07-01 Texas Instruments Incorporated A digital filter

Also Published As

Publication number Publication date
GB2353677A (en) 2001-02-28
GB9919779D0 (en) 1999-10-27

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Legal Events

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

Effective date: 20090821