JPS5643856A - Digital fm modulator - Google Patents

Digital fm modulator

Info

Publication number
JPS5643856A
JPS5643856A JP11878379A JP11878379A JPS5643856A JP S5643856 A JPS5643856 A JP S5643856A JP 11878379 A JP11878379 A JP 11878379A JP 11878379 A JP11878379 A JP 11878379A JP S5643856 A JPS5643856 A JP S5643856A
Authority
JP
Japan
Prior art keywords
signal
outputs
counter
input data
memory
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.)
Pending
Application number
JP11878379A
Other languages
English (en)
Inventor
Tsukasa Okai
Fumio Sugiyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11878379A priority Critical patent/JPS5643856A/ja
Publication of JPS5643856A publication Critical patent/JPS5643856A/ja
Pending 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
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP11878379A 1979-09-18 1979-09-18 Digital fm modulator Pending JPS5643856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11878379A JPS5643856A (en) 1979-09-18 1979-09-18 Digital fm modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11878379A JPS5643856A (en) 1979-09-18 1979-09-18 Digital fm modulator

Publications (1)

Publication Number Publication Date
JPS5643856A true JPS5643856A (en) 1981-04-22

Family

ID=14744968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11878379A Pending JPS5643856A (en) 1979-09-18 1979-09-18 Digital fm modulator

Country Status (1)

Country Link
JP (1) JPS5643856A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007180940A (ja) * 2005-12-28 2007-07-12 Oki Electric Ind Co Ltd Ｆｓｋ信号発生装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007180940A (ja) * 2005-12-28 2007-07-12 Oki Electric Ind Co Ltd Ｆｓｋ信号発生装置
JP4707556B2 (ja) * 2005-12-28 2011-06-22 Ｏｋｉセミコンダクタ株式会社 Ｆｓｋ信号発生装置
US8229030B2 (en) 2005-12-28 2012-07-24 Lapis Semiconductor Co., Ltd. FSK signal modulator for producing a binary FSK signal

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