FI944473A - Modulaattorit - Google Patents

Modulaattorit Download PDF

Info

Publication number
FI944473A
FI944473A FI944473A FI944473A FI944473A FI 944473 A FI944473 A FI 944473A FI 944473 A FI944473 A FI 944473A FI 944473 A FI944473 A FI 944473A FI 944473 A FI944473 A FI 944473A
Authority
FI
Finland
Prior art keywords
modulators
Prior art date
Application number
FI944473A
Other languages
English (en)
Swedish (sv)
Other versions
FI944473A0 (fi
Inventor
Peter Edward Chadwick
Original Assignee
Pleyssey Semiconductors Limite
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 Pleyssey Semiconductors Limite filed Critical Pleyssey Semiconductors Limite
Publication of FI944473A0 publication Critical patent/FI944473A0/fi
Publication of FI944473A publication Critical patent/FI944473A/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
FI944473A 1993-09-28 1994-09-27 Modulaattorit FI944473A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9319954A GB2282284B (en) 1993-09-28 1993-09-28 Modulators

Publications (2)

Publication Number Publication Date
FI944473A0 FI944473A0 (fi) 1994-09-27
FI944473A true FI944473A (fi) 1995-03-29

Family

ID=10742621

Family Applications (1)

Application Number Title Priority Date Filing Date
FI944473A FI944473A (fi) 1993-09-28 1994-09-27 Modulaattorit

Country Status (7)

Country Link
US (1) US5493257A (fi)
EP (1) EP0647015B1 (fi)
JP (1) JPH07183923A (fi)
CA (1) CA2132789A1 (fi)
DE (1) DE69427178T2 (fi)
FI (1) FI944473A (fi)
GB (1) GB2282284B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6223061B1 (en) 1997-07-25 2001-04-24 Cleveland Medical Devices Inc. Apparatus for low power radio communications
KR100501182B1 (ko) * 1998-07-07 2005-09-26 삼성전기주식회사 광대역용 2입력 변조회로
US6172579B1 (en) 1999-02-02 2001-01-09 Cleveland Medical Devices Inc. Three point modulated phase locked loop frequency synthesis system and method
TW457762B (en) * 2000-10-02 2001-10-01 Tricome Microwave Electronics High-speed power-saving encoded M-bit FSK modulator
US6512405B1 (en) * 2002-01-14 2003-01-28 Ip-First Llc Oscillator bias variation mechanism
US7567094B2 (en) * 2006-06-14 2009-07-28 Lightwire Inc. Tri-stated driver for bandwidth-limited load
US10230362B2 (en) 2016-12-23 2019-03-12 Microsoft Technology Licensing, Llc Enhanced resonant circuit amplifier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914814A1 (de) * 1979-04-11 1980-10-30 Siemens Ag Frequenzmodulator
JPH0616636B2 (ja) * 1984-03-23 1994-03-02 パイオニア株式会社 Ｐｌｌ変調回路
US4633197A (en) * 1985-03-29 1986-12-30 Motorola, Inc. Single resonant tank modulated oscillator
JPS62243406A (ja) * 1986-04-16 1987-10-23 Nec Corp 角度変調器
JPH01238346A (ja) * 1988-03-18 1989-09-22 Japan Radio Co Ltd Ｆｓｋバースト送信スペクトラム補正回路
JPH073704Y2 (ja) * 1990-02-27 1995-01-30 富士通テン株式会社 変調回路
GB2268013B (en) * 1992-06-13 1995-10-25 Motorola Gmbh Binary modulator

Also Published As

Publication number Publication date
DE69427178T2 (de) 2001-11-08
EP0647015A2 (en) 1995-04-05
US5493257A (en) 1996-02-20
FI944473A0 (fi) 1994-09-27
JPH07183923A (ja) 1995-07-21
EP0647015B1 (en) 2001-05-09
GB9319954D0 (en) 1993-11-17
CA2132789A1 (en) 1995-03-29
GB2282284B (en) 1998-01-21
DE69427178D1 (de) 2001-06-13
GB2282284A (en) 1995-03-29
EP0647015A3 (en) 1995-12-27

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Legal Events

Date Code Title Description
FD Application lapsed