FI80549C - Frekvensmodulerad saendarmottagare. - Google Patents

Frekvensmodulerad saendarmottagare. Download PDF

Info

Publication number
FI80549C
FI80549C FI890191A FI890191A FI80549C FI 80549 C FI80549 C FI 80549C FI 890191 A FI890191 A FI 890191A FI 890191 A FI890191 A FI 890191A FI 80549 C FI80549 C FI 80549C
Authority
FI
Finland
Prior art keywords
signal
modulation
transmitter
intermediate frequency
input
Prior art date
Application number
FI890191A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI890191A0 (fi
FI80549B (fi
Inventor
Jarmo Maekinen
Reino Talarmo
Original Assignee
Telenokia Oy
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 Telenokia Oy filed Critical Telenokia Oy
Priority to FI890191A priority Critical patent/FI80549C/fi
Publication of FI890191A0 publication Critical patent/FI890191A0/fi
Priority to GB9000641A priority patent/GB2228379B/en
Priority to FR9000258A priority patent/FR2641915A1/fr
Priority to ES9000078A priority patent/ES2020089A6/es
Priority to AU47925/90A priority patent/AU625604B2/en
Priority to IT01905390A priority patent/IT1238167B/it
Publication of FI80549B publication Critical patent/FI80549B/fi
Application granted granted Critical
Publication of FI80549C publication Critical patent/FI80549C/fi

Links

Classifications

    • 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
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)
FI890191A 1989-01-13 1989-01-13 Frekvensmodulerad saendarmottagare. FI80549C (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI890191A FI80549C (fi) 1989-01-13 1989-01-13 Frekvensmodulerad saendarmottagare.
GB9000641A GB2228379B (en) 1989-01-13 1990-01-11 Frequency-modulated transceiver
FR9000258A FR2641915A1 (fr) 1989-01-13 1990-01-11 Emetteur-recepteur module en frequence
ES9000078A ES2020089A6 (es) 1989-01-13 1990-01-12 Transceptor de frecuencia modulada.
AU47925/90A AU625604B2 (en) 1989-01-13 1990-01-12 Frequency-modulated transceiver
IT01905390A IT1238167B (it) 1989-01-13 1990-01-12 Ricetrasmettitore a modulazione di frequenza

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI890191 1989-01-13
FI890191A FI80549C (fi) 1989-01-13 1989-01-13 Frekvensmodulerad saendarmottagare.

Publications (3)

Publication Number Publication Date
FI890191A0 FI890191A0 (fi) 1989-01-13
FI80549B FI80549B (fi) 1990-02-28
FI80549C true FI80549C (fi) 1990-06-11

Family

ID=8527719

Family Applications (1)

Application Number Title Priority Date Filing Date
FI890191A FI80549C (fi) 1989-01-13 1989-01-13 Frekvensmodulerad saendarmottagare.

Country Status (6)

Country Link
AU (1) AU625604B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2020089A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI80549C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2641915A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2228379B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1238167B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI80549C (fi) * 1989-01-13 1990-06-11 Telenokia Oy Frekvensmodulerad saendarmottagare.
FI94808C (fi) * 1991-08-29 1995-10-25 Nokia Telecommunications Oy Taajuusmoduloitu lähetinvastaanotin
NO305499B1 (no) * 1996-11-06 1999-06-07 Nera Asa System og fremgangsmÕte ved nedomforming hvor det mottatte signalet nedomformes
GB2363267B (en) * 2000-06-07 2002-08-07 Motorola Israel Ltd Circuit and method for signal phase control in a radio transceiver
CN102916718B (zh) * 2012-10-31 2014-12-17 成都航天通信设备有限责任公司 一种电台网络的通信方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1023434A (en) * 1973-03-02 1977-12-27 Salvatore Amoroso (Jr.) Single oscillator microwave transceiver
US3916412A (en) * 1974-08-29 1975-10-28 United Technologies Corp Frequency stabilized single oscillator transceivers
US4633511A (en) * 1983-08-24 1986-12-30 Toyo Communication Equipment Co. Signal transmission and reception system
EP0165265A4 (en) * 1983-12-05 1985-12-30 Motorola Inc DUPLEX COMMUNICATION TRANSCEIVER WITH MODULATION CANCELLATION.
GB8420210D0 (en) * 1984-08-09 1984-09-12 British Telecomm Duplex microwave equipment
JPS61220528A (ja) * 1985-03-26 1986-09-30 Nec Corp 同時送受話無線機
FI80549C (fi) * 1989-01-13 1990-06-11 Telenokia Oy Frekvensmodulerad saendarmottagare.

Also Published As

Publication number Publication date
IT9019053A1 (it) 1991-07-12
ES2020089A6 (es) 1991-07-16
AU625604B2 (en) 1992-07-16
FR2641915B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1994-04-22
FR2641915A1 (fr) 1990-07-20
GB9000641D0 (en) 1990-03-14
FI890191A0 (fi) 1989-01-13
FI80549B (fi) 1990-02-28
GB2228379B (en) 1993-01-13
IT9019053A0 (it) 1990-01-12
IT1238167B (it) 1993-07-09
GB2228379A (en) 1990-08-22
AU4792590A (en) 1990-07-19

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MM Patent lapsed

Owner name: TELENOKIA OY