JPS5582550A - Digital radio unit - Google Patents

Digital radio unit

Info

Publication number
JPS5582550A
JPS5582550A JP15669178A JP15669178A JPS5582550A JP S5582550 A JPS5582550 A JP S5582550A JP 15669178 A JP15669178 A JP 15669178A JP 15669178 A JP15669178 A JP 15669178A JP S5582550 A JPS5582550 A JP S5582550A
Authority
JP
Japan
Prior art keywords
existing
reference oscillator
highly stable
circuit
transmission
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.)
Granted
Application number
JP15669178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS639414B2 (enrdf_load_stackoverflow
Inventor
Kazuo Ogawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15669178A priority Critical patent/JPS5582550A/ja
Publication of JPS5582550A publication Critical patent/JPS5582550A/ja
Publication of JPS639414B2 publication Critical patent/JPS639414B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/74Details 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 for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP15669178A 1978-12-15 1978-12-15 Digital radio unit Granted JPS5582550A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15669178A JPS5582550A (en) 1978-12-15 1978-12-15 Digital radio unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15669178A JPS5582550A (en) 1978-12-15 1978-12-15 Digital radio unit

Publications (2)

Publication Number Publication Date
JPS5582550A true JPS5582550A (en) 1980-06-21
JPS639414B2 JPS639414B2 (enrdf_load_stackoverflow) 1988-02-29

Family

ID=15633216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15669178A Granted JPS5582550A (en) 1978-12-15 1978-12-15 Digital radio unit

Country Status (1)

Country Link
JP (1) JPS5582550A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204138A (ja) * 1984-03-29 1985-10-15 Nec Corp セツト予備切替方式
US4574377A (en) * 1982-11-26 1986-03-04 Fujitsu Limited Synchronization method and apparatus in redundant time-division-multiple-access communication equipment
JP2004036731A (ja) * 2002-07-02 2004-02-05 Toyota Motor Corp 車両用パワートレーンの剛性設定方法及び車両用パワートレーン
WO2012160826A1 (ja) * 2011-05-25 2012-11-29 日本電気株式会社 無線伝送システム、無線伝送方法、無線通信装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123013A (en) * 1974-08-21 1976-02-24 Hitachi Electronics Genyokito yobikino kirikaehoshiki

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123013A (en) * 1974-08-21 1976-02-24 Hitachi Electronics Genyokito yobikino kirikaehoshiki

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574377A (en) * 1982-11-26 1986-03-04 Fujitsu Limited Synchronization method and apparatus in redundant time-division-multiple-access communication equipment
JPS60204138A (ja) * 1984-03-29 1985-10-15 Nec Corp セツト予備切替方式
JP2004036731A (ja) * 2002-07-02 2004-02-05 Toyota Motor Corp 車両用パワートレーンの剛性設定方法及び車両用パワートレーン
WO2012160826A1 (ja) * 2011-05-25 2012-11-29 日本電気株式会社 無線伝送システム、無線伝送方法、無線通信装置

Also Published As

Publication number Publication date
JPS639414B2 (enrdf_load_stackoverflow) 1988-02-29

Similar Documents

Publication Publication Date Title
JPS51117510A (en) Double superheterodyne receiver
JPS5599851A (en) Mobile data reception system
JPS5582550A (en) Digital radio unit
JPS55166326A (en) Channel switching circuit
JPS55147060A (en) Fsk and psk modulating circuit
JPS55107340A (en) Standard unit of atomic frequency
JPS5284947A (en) Spare for carrier supply circuit
JPS5668035A (en) Channel selector
JPS556980A (en) Local oscillator for multiple radio unit
JPS5539417A (en) Angle modulation circuit
JPS5324220A (en) Pll synthesizer
JPS54154211A (en) Local oscillation circuit
JPS5568746A (en) Signal reception system
JPS5686559A (en) Psk modulation system
JPS55162605A (en) Fm modulation unit
JPS54121610A (en) Pll circuit of radio receiver
JPS5732133A (en) Phase-synchronous oscillator
JPS5620337A (en) Oscillator with temperature compensation
JPS5676640A (en) Receiver of frequency synthesizer system
Adabo VHF frequency systhesizers
JPS5484401A (en) Fm-am receiver with frequency counter
JPS5470716A (en) Synthesizer receiver
JPS5293214A (en) Frequency synthesizer for transceiver
JPS5293213A (en) Frequency synthesizer for transceiver
JPS5527727A (en) Wide-band electronic tuner