CN1097920C - 无线通信系统中发送断续信号的发射机及包括其的系统 - Google Patents

无线通信系统中发送断续信号的发射机及包括其的系统 Download PDF

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Publication number
CN1097920C
CN1097920C CN95118836A CN95118836A CN1097920C CN 1097920 C CN1097920 C CN 1097920C CN 95118836 A CN95118836 A CN 95118836A CN 95118836 A CN95118836 A CN 95118836A CN 1097920 C CN1097920 C CN 1097920C
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CN
China
Prior art keywords
mentioned
signal
mixer
control signal
modulator
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
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CN95118836A
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English (en)
Chinese (zh)
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CN1139854A (zh
Inventor
斋藤真
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.)
Sony Corp
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Sony Corp
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Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of CN1139854A publication Critical patent/CN1139854A/zh
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Publication of CN1097920C publication Critical patent/CN1097920C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CN95118836A 1994-11-21 1995-11-21 无线通信系统中发送断续信号的发射机及包括其的系统 Expired - Fee Related CN1097920C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP312718/94 1994-11-21
JP31271894A JP3463828B2 (ja) 1994-11-21 1994-11-21 送信機

Publications (2)

Publication Number Publication Date
CN1139854A CN1139854A (zh) 1997-01-08
CN1097920C true CN1097920C (zh) 2003-01-01

Family

ID=18032590

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95118836A Expired - Fee Related CN1097920C (zh) 1994-11-21 1995-11-21 无线通信系统中发送断续信号的发射机及包括其的系统

Country Status (8)

Country Link
US (1) US5812612A (enExample)
EP (1) EP0713299B1 (enExample)
JP (1) JP3463828B2 (enExample)
KR (1) KR100355977B1 (enExample)
CN (1) CN1097920C (enExample)
DE (1) DE69521011T2 (enExample)
MY (1) MY114537A (enExample)
TW (1) TW281831B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10107677A (ja) * 1996-08-05 1998-04-24 Sony Corp 送受信装置
JPH11220469A (ja) 1998-01-30 1999-08-10 Sony Corp 通信方法、送信方法、送信装置及び受信装置
GB9804708D0 (en) * 1998-03-05 1998-04-29 Nec Technologies Uk Ltd Radio transmitter/reciever channel selection
JP3107035B2 (ja) * 1998-03-18 2000-11-06 日本電気株式会社 低雑音増幅器及びその制御回路
US6192225B1 (en) * 1998-04-22 2001-02-20 Ericsson Inc. Direct conversion receiver
US6002920A (en) * 1998-05-19 1999-12-14 Northrop Grumman Corporation Method and device for modifying a radio frequency range of a radio transceiver
US6608868B1 (en) * 1999-01-19 2003-08-19 Matsushita Electric Industrial Co., Ltd. Apparatus and method for digital wireless communications
JP4626107B2 (ja) * 2001-08-08 2011-02-02 ソニー株式会社 データ送信装置、ミキサ回路、及び携帯電話端末装置
US7486338B1 (en) * 2003-04-28 2009-02-03 Wyszynski Adam S Fully integrated terrestrial TV tuner architecture
US6917252B1 (en) * 2003-04-28 2005-07-12 Adam S. Wyszynski Fully integrated automatically-tuned RF and IF active bandpass filters
US7057543B2 (en) * 2004-04-29 2006-06-06 Invensys Systems, Inc. Low power method and interface for generating analog waveforms
CN1735081B (zh) * 2004-08-11 2010-10-06 华为技术有限公司 线驱动器输出信号波形的控制方法及电路
GB0717042D0 (en) * 2007-09-03 2007-10-10 Toumaz Technology Ltd Multiplier, mixer, modulator, receiver and transmitter
WO2011131961A1 (en) * 2010-04-20 2011-10-27 Bae Systems Plc Rf modulation and demodulation
EP2381634A1 (en) * 2010-04-20 2011-10-26 BAE Systems PLC RF modulation and demodulation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54103615A (en) * 1978-02-01 1979-08-15 Hitachi Ltd Demodulating and modulating device
JPS5711563A (en) * 1980-06-25 1982-01-21 Hitachi Denshi Ltd Transmission carrier control system for modulation and demodulation device
DE3278307D1 (en) * 1981-04-07 1988-05-05 Fujitsu Ltd Time-sharing communicating system
US4706262A (en) * 1984-03-30 1987-11-10 Nec Corporation FSK or FM burst signal generating apparatus
US4639938A (en) * 1985-11-06 1987-01-27 E-Systems, Inc. RF pulse transmitter having incidental phase modulation (IPM) correction
KR920006131B1 (ko) * 1989-11-30 1992-07-31 현대전자산업 주식회사 고주파 회로의 수신 스퓨리어스 저하 회로
JP2800500B2 (ja) * 1991-10-01 1998-09-21 松下電器産業株式会社 バースト送信出力制御回路
US5130676A (en) * 1991-09-06 1992-07-14 Motorola, Inc. Phase locked loop frequency synthesizer with DC data modulation capability
FR2711464B1 (fr) * 1993-10-19 1995-12-22 Telediffusion Fse Modulateur numérique à débit variable et son utilisation en radiodiffusion FM.
KR960002669B1 (ko) * 1993-11-02 1996-02-24 금성정보통신주식회사 주파수 신서사이저

Also Published As

Publication number Publication date
MY114537A (en) 2002-11-30
EP0713299B1 (en) 2001-05-23
EP0713299A3 (en) 1999-06-09
JPH08149164A (ja) 1996-06-07
US5812612A (en) 1998-09-22
TW281831B (enExample) 1996-07-21
CN1139854A (zh) 1997-01-08
KR100355977B1 (ko) 2002-12-16
DE69521011D1 (de) 2001-06-28
DE69521011T2 (de) 2001-11-15
EP0713299A2 (en) 1996-05-22
JP3463828B2 (ja) 2003-11-05

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